Best search results for "aquarium heater"

Sale Price: $19.99

1. ★150W aquarium heater is suitable for 20 to 30 gallons aquariums,Length - 9.5",voltage 110-120V, power cord is 6ft, please choose the right wattage aquarium heater according to our size chart.
2. ★It shows an area to adjust the temperature. It's not exactly accurate but it turns easy and can be adjusted at small intervals
3. ★Explosion Proof: 2mm thickened quartz glass,can be used in fresh water and salt water aquariums,easy to hide in the tank.
4. ★Precise temperature dial from 68 to 89°F allows for complete control of aquatic climate within a 1-degree difference
5. ★Adjustable Aquarium Fish Tank Water Heater Sensitive and reliable thermostat maintains uniform temperature. Automatic shut off when the temperature is reached.

List Price: $19.99

Sale Price: $11.98

You Save: $8.01 (40%)

1. Explosion Proof: The aquarium heater is made of 2mm thickened quartz glass, 33% thicker than ordinary glass, explosion-proof, not easy to crack, which is very safe for people and aquatic animals.
2. Application: 50W water heater is suitable for 5 – 15 gallon tank, also suitable for both saltwater and freshwater, suitable for fish tanks and turtle tanks, must be completely submerged in water when using.
3. Accurate Temperature: The fish tank heater can be adjusted from 68°F to 93°F (20°C - 34°C), comes with a thermometer sticker, convenient to detect the water temperature without another pay.
4. Long Service Life: This fish heater adopts 8-slot multi-branched heating wire ceramic frame, shorter length, 7.8*1*1 in(20*2.5*2.5 cm), better heat dissipation, and can save more space for your fishes.
5. Complete Accessories and Warranty: This aquarium submersible heater comes with accessories you need, in addition to the thermometer, it comes with 3 suction cups, one for replacement, and offer 12 months warranty, giving you peace of mind after your purchase.

Sale Price: $8.99 ($8.99 / Count)

1. 🐠【50W DaToo Aquarium Heater】: A suitable temperature is very important for our beloved fish. No suitable temperature, our fish will not survive healthy. How to create this comfortable temperature? DaToo will help you. The DaToo Submersible Aquarium Heater is a system that create a warm and comfortable living environment for your lovely fish. Select DaToo Aquarium Heater, Let us care about your fish starting from the water temperature.
2. 🐠【Adjustable Temperature】: Only need turn the knob on the top of the DaToo fish tank heater, You can easily get the temperature you want（68 to 93°F) and you can read the temperature you set by the dial of the aquarium heater. Perfect Thermostat system to ensure that your beloved fish can be happy and comfortable life. Very Convenient !
3. 🐠【Sturdy And Durable】: Still worried about the heater will be broken?Now let's say goodbye to this worry. The shell of the DaToo Aquarium Heater is made with Shatterproof, Corrosion resistant, Wear-resistant microcrystalline glass(glass-ceramics), can be used in fresh water and salt water.The heating part is made of nickel-chromium alloy, ensure superior heat transfer and enhanced service life. Select DaToo Fish Tank Heater, Let it serve your fish forever.
4. 🐠【BPA Free And Energy Saving】: Every plastic component of the DaToo Fish Tank Heater is made with durable, high-quality, BPA-free plastic. The process of heating does not produce invisible toxins. This means it is safe not only for your fishes, but for you as well. Stepwise heating mode, it will automatically turn on and off to keep your set temperature, reduce electricity consumption. Select DaToo Aquarium Heater, not only care about your fish, but also save electricity fee for you.
5. 🐠【Attention】: This is 50W DaToo Aquarium Heater, 7.6inch, fit 5 to 15 gallons tank with hoods or glass canopies and keep the water flowing. Please make sure that the heater is completely submerged in the water when using it. We provide One Year Warranty and 100% Money-back Guarantee. Select DaToo Products= Own A Private Aquarium Housekeeper.

List Price: $25.99

Sale Price: $19.94

You Save: $6.05 (23%)

1. Preset to 78°, accurate to +/- 1°
2. No adjustment required
3. Shatter resistant
4. Fully submersible, auto shut-off when overheats, resets when cools down
5. LED light turns on when aquarium water is being heated
6. Ideal for aquariums up to 30 gallons

Sale Price: $11.99

1. All Tetra HT heaters have indicator lights to let you know when the heater is on. It will be red when heating and green when the proper temperature has been reached.
2. The HT10 uses a built in electronic theromstat to automatically maintain water at 78° F which is ideal for most tropical fish. No adjustment is requried.
3. Ideal for aquariums between 2 to 10 gallons with hoods or glass canopies
4. The HT heater is fully submersbile and can be installed vertically or horizontally. It's small footprint makes it easy to conceal behind plants or other décor.
5. Please read all label information upon delivery. DO NOT plug heater into an electrical outlet until it is placed inside the aquarium.

Sale Price: $15.97

1. 🐟 100W aquarium heater, length 8.8-inch, power cord 4.9ft, designed for small fish tanks, recommended for aquariums 15 to 30 Gallons.
2. 🐟 Adjustable and easy to use: This aquarium heater, adjustable temperature range 68 ~ 93 °F, after setting the temp you want, will on or shut off automatically when the water temperature changes, no extra adjustment is required.
3. 🐟 Accurate Temperature Control: This fish tank heater built-in thermostat, will automatically keep the water at the set temperature within±2°F error. Comes with an sticker thermometer to detect water temp at any time.
4. 🐟 Thickened Glass: 2mm thickened quartz glass, 33% thicker than 1.5mm normal aquarium heaters, much safer for human and your lovely fishes.
5. 🐟Easier installation, you can install it with any angle by 2 powerful suction cups, just make sure it is under water fully. Besides, we provide 1 more extra suction cup for spare (total 3 PCS), and we provide 12 months warranty.

List Price: $59.99

Sale Price: $39.99

You Save: $20.00 (33%)

1. 🐠【Rapid Heating and Two Temperature Control System】300W aquarium heater is sutable for 40-75 gallon fish tank and made of the most stable nickel-chromium heating wire, which can quickly and stably conduct heat to the surroundings. It has a built-in temperature control system of Fahrenheit and Celsius(Temp range: 63-94℉/17-34℃). You can press and hold the button next to the controller for 2-3 seconds to switch.
2. 🐠【Intelligent Water Sensor and Over Temperature Protection】This fish tank heater has a unique intelligent temperature and water sensor system, the heater will automatically stop heating when the heater is completely out of water or it rapidly heats beyond the set temperature, the indicator light will turn green in both cases to ensure the maximum safety of you and your aquatic organisms just like protecting our own safety.
3. 🐠【Explosion-proof Quartz Glass Aquarium Heater】The submersible aquarium heater is made of explosion-proof quartz glass material and a high-temperature resistant nickel-chromium heating wire with silicon carbide heat conduction, faster water heating and longer lasting. And the stronger black shell is a high temperature resistant ABS material which protect the fish, your aquatic organisms and you from scalding.
4. 🐠【Accurate External Digital Display Controller】The external IC temp controller of this aquarium water heater can show the water temp with 2 red LED digits. The temperature in Fahrenheit and Celsius is displayed, which can be switched by pressing and holding the button for a few seconds. To set the temp, just press the button over and over until the screen displaying the temp you desired, the setting is done and the led shows the current water temp again.
5. 🐠【Wide Range of Use】This 300 watt adjustable aquarium heater is suitable for many occasions. The fish market is a common place for us. It can maintain the freshness of fish. They are also suitable for places where aquatic life such as fish tanks, aquariums, and small fish ponds are kept. There are strong suction cups on the heater guard and the thermometer, it's easy to install the aquarium heater no to the tank walls or bottom, please keep them fully submerged.

List Price: $33.99

Sale Price: $18.00

You Save: $15.99 (47%)

1. Aquarium heater that blends into the aquarium environment with built-in reflective technology that mirrors the surrounding colors
2. Computer-calibrated thermostat and easy-to-adjust temperature control dial
3. Shock resistant Borosilicate glass and high density ceramic heat sick
4. Easy to install with slim profile tube for easy placement
5. 50-watt heater suitable for freshwater and saltwater aquariums up to 15 gallons with a 3-year warranty

List Price: $33.99

Sale Price: $25.66

You Save: $8.33 (25%)

1. THERMAL SWITCH: Automatically turns off when temperature rises above an internal pre-set and turns back on once it cools down.
2. ADVANCED HEATING ELEMENT: Contains a mica core surrounded by a mesh heating element for superior heat transfer with enhanced durability.
3. MOUNTING BRACKET: Securely attaches to glass and provides three window positions to view the temperature display.
4. EASY TO VIEW: Sliding scale tells the exact temperature setting – top dial view shows the setting from an additional location.
5. This 250 watt heater is for aquariums up to 70 gallons. Adjustable temperature dial allows you to set the temperature 1 degree with every click.
6. Thermal Switch automatically turns off as temperature rises above an internal preset and turns back on once it cools down.
7. The advanced heating element contains a mica core surrounded by a mesh heating element for superior heat transfer with enhanced durability
8. Advanced mounting bracket securely attaches to glass and provides 3 window positions to view the temperature display
9. Easy to view sliding scale tells the exact temperature setting. Top dial view shows the setting from an additional location.

Sale Price: $39.99 ($39.99 / Count)

1. 🐟RAPID HEATING: Faster warming by seconds, the heater material is explosion-proof quartz glass, and nickel-chromium heating wire materials has higher thermal energy efficiency, and then conducts heat through silicon carbide material, is safer and more durable to use. High temperature resistant plastic cover, not easy to deform, and has very strong corrosion resistance.
2. 🐟FREQUENCY ENERGY-SAVING: Auto reduces power when approaching the set tempe, by heated at 10% to 30% power, fully utilizes thermal energy inertia to smoothly reach the set tempe, saving energy. The external controller is easy to operation, every press changes the set tempe by 1℉, ranges from 59℉(15℃) to a max of 93℉(34℃) in order to meet your needs.
3. 🐟INTELLIGENT THERMOSTAT: Over-temperature protection prevents "cooking fish". When the water temp exceeds about 95 °F, flashing 95 number code, red and green light flash together; and over 93℉, the heater will stop heating automatically. When the water temp cool down to below 93℉, the heater will start working auto.
4. 🐟ANTI-DRY PROTECTION: Intelligent temp sensing, when the heater is exposed to air, display ER fault code and the heater will shut off automatically. When the heating rod is completely immersed in water, it will start working automatically. Effectively extend the service life. It has a power-off memory function and no need to set it again.
5. 🐟STRONG SAFETY PERFORMANCE: Build-in intelligent LED digital temperature display. Built-in three temperature probe, real-time monitoring of water temperature, temperature accuracy of ± 1 °F. Strong suction cup bracket, can stably fix the heater in every corner of the fish tank. Suitable for freshwater and saltwater.

Sale Price: $47.99

1. 🐠300 WATTS AQUARIUM HEATER - 300W aquarium heater is suitable for 40 to 80 gallon saltwater and freshwater aquariums. The heater length is 10.8 inches, voltage 110-120V, power cord is 10.1 feet. Please select the appropriate wattage aquarium heater according to our size chart
2. 🐠OVERHEATING & OUT OF WATER PROTECTION - When the water temperature exceeds 94°F or it is lower than the minimum water level, the heater will automatically cut off the power and stop heating, it will display an error code and sound an alarm until the water temperature is below 94°F or the heater is completely immersed in the water. Error code: HH-high temp; LL-low temp; AUTO shut off-out off water. Multiple protection, let you get rid of "boiled fish"!
3. 🐠DIGITAL LED CONTROLLER - Temperature adjustable range: 59℉-93℉, Accuracy：±1°F. You can use the included bracket to mount the controller on the edge of the tank to adjust the temperature without reaching into the water. LED controller shows the current water temperature, preset temperature, working power and more warning sign of Low/ Hi temperature/ Auto shut off. Very easy to operate!
4. 🐠EFFICIENT AND EXPLOSION PROOF - The aquarium heater is made of explosion-proof quartz glass and high-temperature resistant nickel-chromium heating wire. This results in faster water heating, safer, and more longer-lasting. The heater guard is made of high quality PC plastic to protect your fish from burns
5. 🐠COMPLETE ACCESSORIES AND WARRANTY - This aquarium heater comes with accessories you need. Package includes 1 aquarium heater, 1 controller, 3 suction cups, 1 bracket and 1 hook. It offers 12 months warranty.

Sale Price: $18.99

1. 【Intelligent Temperature Control】The intelligent IC chip adjusts the temperature, the temperature accuracy is within ±2°F (±1°C), and it is automatically heated to the set temperature. It is suitable for ultra-low water level heating. It is specially designed for tortoise tanks and fish tanks.
2. 【LED Digital Display & Temperature Remote Control】Cycle temperature adjustment 64-91℉; LED digital display and matching thermometer can observe the water temperature in real time; the temperature remote control allows you to avoid wet hands when adjusting the temperature.
3. 【Safety & Explosion-Proof】The aquarium heater automatically cuts off power when leaving the water. It uses an explosion-proof quartz tube and is equipped with a plastic anti-collision sheath to prevent your aquatic organisms from being injured by touching the heating rod.
4. 【Show Usage Time】Real-time monitoring of the life of the heating rod, which is convenient for you to replace the heating rod in time to ensure the continuous water temperature. The heating rod can be used continuously for up to 10,000 hours.
5. 【Note】It is forbidden to expose the main part of the aquarium heater to the surface of the water during use, and 100% diving use must be guaranteed, otherwise the LED display will display an "Er" abnormal code.. Please unplug the power when cleaning the fish tank or changing the water in the aquarium.

Sale Price: $17.98

1. SPECIAL Introductory Price! - 300 Watt Smart Aquarium Heater: Fits and heats tanks from 10 gallons to 125 gallons
2. Smart Rapid Heating Mode: Quickly heats water up to 82 degrees. Standard heating speed after 82.
3. Automatic Smart Auto Shut Off: Shuts down when heater detects water is too low or pulled out of water while plugged in. Explosion Proof - Consistent Electronically Monitored Temperature Controls - Overtemperature Protection -
4. Safe Efficient: Nickel Chromium wiring to conduct heat. - Reinforced tubing protection - Power Cord Length: 5.5 feet. 6 feet including heater length.
5. Veteran Owned and Operated Company. 100% Satisfaction Guarantee! If you have any issues at all please message us for a full refund.

Sale Price: $9.99

1. STABLE HEATING ABILITY: When it comes to maintaining a healthy aquatic ecosystem, a stable temperature is essential. With a built-in submersible thermostat, our small aquarium heater quickly heats the entire aquarium, ensuring that the water temperature is maintained at a desirable range of 1-2 degrees.
2. TEMPERATURE RANGES: To provide ideal warmth safe for critters to live inside, 3DReefer offers multiple tank heaters with capacities of 50W/75W/100W/150W suitable for a wide range of aquariums. The 50-watt aquarium heater will be good for small 5 to 10gallon water tanks. 
3. SHATTERPROOF GLASS: Changing water conditions or shocks can cause fish stress, which can be harmful if prolonged. This aquarium tank heater is fully submersible for energy-efficient heating and it has a coiled element encased in a glass tube that doesn't overheat and is not prone to cracking.
4. ADJUSTABLE AQUARIUM HEATER: The water temperature in a fish heater can be readily adjusted to provide an accurate temperature for your tropical fish. In addition to the durable design and safety features, our heater for the fish tank is suitable for fresh and marine water. 
5. SET IT AND FORGET IT.: Compact and stylish, this submersible heater aquarium won't take up much space in your tank. The fish tank heater can only be used when it is completely submerged in water and placed vertically/horizontally on the side of the aquarium wall or near the filter output to ensure heat circulation.

Sale Price: $8.24

1. Fully submersible
2. Vertical or horizontal placement using suction cups that mount to the bottom or side wall of tank
3. Quick and easy installation
4. Shatterproof construction
5. Can be used with glass or acrylic enclosures
6. Note: Do NOT operate or leave product plugged in when it is outside of water
7. Warms aquarium water up to 6°F above ambient room temperature
8. 15 watt is best for 4 to 10 gallon fish tanks

Sale Price: $21.99

1. 【Super Mini Size, 50Watt for 3-10 Gallons】 YukiHalu 50W aquarium heater is designed for 3-10 gallons mini fish tank. Compact design, take less space in the fish tank, easy to hide in the tank. Temperature can be accurately adjusted from 64 to 93°F. This heater suitable for both saltwater and freshwater. The rated voltage is 100-130V.
2. 【Automatic Constant Temperature with 1℉Accuracy】Thanks to advanced Intelligent Frequency Conversion Technology, the water temperature can be kept constant with an accuracy of 1℉. The heater's working frequency will be changed according to temperature variation, and the heating is automatically stopped when the set temperature is reached. Compare to traditional heater, this new technology will cut down 49% electricity bill for you.
3. 【Overheating Protection, Out of Water Protection】The power will be cut off and stop heating automatically if the heater out of water or overheating. Protect your fish. Never cook your fish. 30days full refund, 12-months warranty.
4. 【External Temperature Controller, Never Wet Your Hands】Use an external controller to set the temperature instead of immersing your hands in water to rotate the dial. Never wet your hands or contaminating your tank. Strong suction cups, easy to install.
5. 【Built-in Thermometer, Power-off Memory Function】Dual built-in temperature sensor, the water temperature will be displayed on the external temperature controller in real time. No need to buy other aquarium thermometer. The heater will remember the temperature setting, no need to reset the temperature after power off.

List Price: $25.89

Sale Price: $18.99

You Save: $6.90 (27%)

1. ★ Temperature range: 59°F~94°F, display Fahrenheit °F, this heater is designed for1~10 gallons tank. Upgrade function: The heater will auto shut off when it is out of water and turn normal when fully in water again.
2. ★ Automatic constant temperature function, when water temperature reaches to specified temperature value, heater will automatically stop heating, when water temperature is lower than the set temperature, heater will automatically start heating.
3. ★ Touch button, cyclic adjust temperature , easy to use and Safety.
4. ★【Note】:this heater is 100% submersible use only, during its heating time, heater must be 100% submerged into the water.
5. ★【SATISFACTION GUARANTEED】Gain the confidence to go hard with us! Our Aquarium Heater is built with durability in mind and safety for every design, In the remote possibility that you’re not satisfied with our product, just contact us, and we will gladly give you a new Aquarium Heater replacement. 12 Month Warranty and 24 Hour Professional After-sales Service.

Sale Price: $23.97 ($23.97 / Count)

1. 🐟HITOP Compact size aquarium heater 200W with controller, suitable for seawater and freshwater heating, betta fish and turtle tanks and other small fish tanks 25-50 gallon.
2. 🐟Easy to operate: This fish tank heater is easy to use, 6Ft long cable wire and the external controller can easily set the temperature, and the temperature adjustment range is 68-93℉.
3. 🐟Easy to read temperature: The controller of this heater has Digital LED temperature display, which can display the real-time water temp and set temp, so that you can know the temperature changes in the fish tank easily. There is also a clear heating indicator on it.
4. 🐟Fish-friendly: This aquarium heater is made of thickened quartz glass, and has good sealing performance to prevent water from entering, making it a more fish-friendly heater.
5. 🐟Package: Comes with two suction cups, a bottom cover, and a sticker-thermometer. Please check the product carefully before using it, we provide a 12-month warranty for this product.

List Price: $46.99

Sale Price: $41.99

You Save: $5.00 (11%)

1. 🔥【Explosion-proof Quartz Glass Aquarium Heater Durable and Safer】The heater made of explosion-proof quartz glass material and a high-temperature resistant nickel-chromium heating wire with silicon carbide heat conduction,faster water heating and long lasting.2 hours heating 1℃.The shell is a high temperature resistant PC material, which can effectively protect the fish from scalding.
2. 🔥【Temperatures Ranges 59℉ to 93℉,Automatic Heating】The heating rod built-in thermometer,When the water temperature is lower than the set temperature by 1℉, the heater will automatically heat up, and stop heating when the water temperature is consistent with the set temperature.Fahrenheit and Celsius can be converted to each other,Pressing and holding for 5 seconds changes temperature display from Celsius to Fahrenheit.
3. 🔥【LED External Controller with Indicator Light】The controller is not waterproof, please keep away from water，LED digital display screen shows the current water temperature and preset temperature.The number above the controller is the current water temperature, and the number below is the set temperature,Red light means heating,Blue lights indicate constant temperature,blue light flashing indicates the heater not fully submersibled.
4. 🔥【Memory Function,Dry Burning-resistant Protection】Controller with memory function,If power is shut off,the heater will keep the temperature settings until it powers on again,no need to worry about pets when you going out.When the heating rod is 5cm above the water surface, the heating rod will automatically power off, and the controller will display "E1". When submerged in the water again, the heater will automatically return to normal, no need to unplug the power or reset the controller.
5. 🔥【Controller Can Be Installed with Adjustable Hooks】A hook can be installed on the back of the controller to hang on the fish tank. The installation is very simple and no tools are needed.The size of the hook can be adjusted according to the thickness of the fish tank，Very safe and reliable.AQQA products enjoy a one-year warranty, please rest assured to buy.

Sale Price: $39.99

1. 🐠【Durable Explosion-proof Quartz Glass Aquarium Heater】- JamgoZoo 300W Aquarium Heater is desinged for 80-95 gallen tank and made of hard quartz and quality plastic cover. IP68 waterproof, explosion-proof and anti-corrosion make it stronger than normal glass and metal heater. Your Fish will be no longer afraid of winter.
2. 🐠【Safety Guarantee】- With anti-dry heating protection and overheating protection, when the water temperature exceeds 94℉, the adjustable aquarium heater will stop and alert. It will also stop when the water level is 5cm lower than the heater. Escorting your pet's safety.
3. 🐠【Precise and Constent Temperature Control】- The temperature tolerance is controlled within ± 2 ℉. The heater will stop heating when the temperature reach the setting and restart when lower than setting. Always provide the best living environment for our cute fish.
4. 🐠【External Smart HD Controller】- Press the button to set the temperature ranging from 59℉ to 93℉, and there are two temperature units ℃/℉ switchable (long press for 5 seconds). Easily adjust the temperature and keep your hands dry (Tips: the controller is not waterproof).
5. 🐠【Easy to Use and Hide】- Submerge the heater in water, connect the to the power supply and set the temperature to start heating. In addition, the detachable shell design allows it to be placed in a narrower space to maintain your overall decoration style.

Sale Price: $9.99

1. 🐟 [Application]: HITOP 50W Quartz glass aquarium heater, length 7.2in, recommended for small fish tank up to 15 Gallons, anti-rust, both for fresh water and salt water.
2. 🐟[Better material] Made of 2mm thickened quartz glass, 33% thicker than 1.5mm normal glass aquarium heaters, much safer for human and animals, your pets will no longer fear cold.
3. 🐟 [Adjustable fish tank heater] With a temperature adjusting knob, the adjustable ranges of this heater is 61°F - 90°F(16℃-25℃), You can set any temperature you need.
4. 🐟 [Easy to use and accurate] This aquarium heater has automatic temperature control function, after setting the temperature, the heater will automatically turn on and turn off, the indicator light can show the working status of the heater, the error of the temperature within 2 degrees.
5. 🐟 [Easy to install] This submersible fish tank heater, can be placed horizontally or vertically in aquarium, comes with 3 powerful suction cups and a thermometer sticker. We provide 12 months warranty.

List Price: $18.99

Sale Price: $8.50

You Save: $10.49 (55%)

1. Fully submersible
2. Vertical or horizontal placement using suction cups that mount to the bottom or side wall of tank
3. Quick and easy installation
4. Shatterproof construction
5. Can be used with glass or acrylic enclosures
6. Note: Do NOT operate or leave product plugged in when it is outside of water
7. Warms aquarium water up to 6°F above ambient room temperature
8. 7.5 Watt works best for 1 to 3 gallon fish tanks

Sale Price: $14.99

1. Preset temperature has been set to 77°F, appropriate for most tropical fish, shrimp and aquatic plants requiring stable conditions
2. With accuracy of ±2°F and overheat protection, protect your tank from extreme temperature
3. LED indicator light will turn to red when the heater is actively heating
4. With compact design and built-in suction cups, the heater can be easily placed vertically or horizontally in aquariums completely
5. This 15-watt submersible heater works for small aquariums, up to 2.5 gallon, to provide the ideal water temperature

Sale Price: $22.74

1. Fully submersible
2. Thermo safey control protects against running dry
3. Will automatically turn off when water level dips too low
4. TruTemp dial recalibrates the heater for precise temperature regulation
5. Made of shock resistant and shatter proof glass for fresh or marine water
6. On/Off indicator light for at-a-glance monitoring

Sale Price: $65.39

1. Aquarium heater with dual temperature sensors provide accurate and real-time water temperatures
2. LCD temperature display available in both Fahrenheit and Celsius; with a range of 68 to 93 degrees Fahrenheit
3. Fast heat technology built with a safety shut-off and integrated fish guard to protect fish and invertebrates
4. Equipped with a slim profile mounting bracket and colored display alert system

Sale Price: $15.99

1. ★【25 Watt Heater】： This Aquarium heater is suitable for 1 to 5 gallons aquariums, Length - 6.8 inch,voltage 110-120V, power cord is 4.0 ft, please choose the right wattage aquarium heater according to our size chart.
2. ★【Temperature range】: 63°F~95°F , It is very easy to adjust the temperature you need, we also deliberately give each customer a free diving thermometer, you can observe the water temperature of the fish tank at any time.
3. ★【Intelligent temperature control】： Automatic constant temperature function, when water temperature reaches to specified temperature value, heater will automatically stop heating, when water temperature is lower than the set temperature, heater will automatically start heating. Furthermore, Automatic safety shut-off feature, and overheating protection.
4. ★【Note】: 1. Aquarium heater is 100% submersible use only, during its heating time, heater must be 100% submerged into the water.,Please unplug the power supply when cleaning the fish tank or aquarium water changes. 2. Heater rod is suitable for people over 16 years of age. Children or minors should be under adult guidance or supervision.
5. ★【SATISFACTION GUARANTEED】： Gain the confidence to go hard with us! Our Aquarium Heater is built with durability in mind and safety for every design, In the remote possibility that you’re not satisfied with our product, just contact us, and we will gladly give you a new Aquarium Heater replacement. 12 Month Warranty and 24 Hour Professional After-sales Service.

List Price: $18.99

Sale Price: $14.89

You Save: $4.10 (22%)

1. ★【Betta Heater】This Fish Tank Heater should be 100% submerged into water, Ideal for small glass or acrylic desktop aquariums up 1 to 6 Gallons, not suitable for less than 1 gallon tank.
2. ★【Quick and Easy Installation】:Vertical or horizontal placement using, Aquarium heater automatic temperature control 78℉, no need to adjust temperature, easy to operate, fishes happy.
3. ★【How it Works】: Plug in, red light turns on, the heater will start working until water temperature up to 78°F, and red light off, then the green light will turn on, heater stop working and keeping constant temperature 78°F. Accuracy：±3°F
4. ★【Note】: Do not operate or leave product plugged in when your water tank is out of water, heater should be fully submerged into water. It is better to install a water pump to help water circulating while heating.
5. ★【SATISFACTION GUARANTEED】Our Aquarium Heater is built with durability in mind and safety for every design. In the remote possibility that you’re not satisfied with our product, just contact us, and we will gladly give you a new Aquarium Heater replacement. 12 Month Warranty and 24 Hour Professional After-sales Service.

Sale Price: $26.99

1. Durable Titanium Tube - This aquarium heater is made of premium Titanium Alloy, double seal material, advanced design to ensure safe operation. It has explosion-proof function while being also shatterproof and waterproof.
2. Wide Temperature Range - The temperature of the heater can be adjusted between 20-34℃, 68-93F. It is suitable for many kinds of aquariums, fishes and amphibious turtles.
3. Easy Viewing and Safe Adjusting - It is easy and safe to adjust temperature by the external controller and the temperature will be shown on the LED screen of the heater.
4. Intelligent Temperature Control - It can ensure the temperature constant at the set point as it can adjust heating power automatically if there is any water temperature variation. So that it can avoid temperature mutation and protect fishes.
5. It will stop heating when the water temp reaches to the set temp, restart heating when the water temp is 1℉ less than the set temp. The heater is working when the indicator light is red.

Sale Price: $19.99

1. [Safe and Shatterproof]: Made of PTC element, aquarium heater will not emit red when heating, and no open flame, no burning. Without glass, this submersible aquarium heater will not broke in water, with detachable protective cover, much safer than ordinary fish tank heaters.
2. [Frequency Conversion, Fast Heating Rate]: The power will automatically change according to the change of water temperature during use, more energy-efficient. With small thermal resistance, high efficiency of energy conversion to thermal energy, and rapid heating.
3. [Easy to Use]: (Over-heat Protection) Just pre set your desired temp, this adjustable fish heater will turn off automatically when temp reaches to your preset, no extra operation is needed. (Memory-function)When it turn on automatically, fish heater will still memory your set-temp, convenient and reliable.
4. HITOP 100W PTC ceramics aquarium heater, really Shatterproof, suitable for 10-35gallon fish tanks and turtle tanks. With 3 powerful suction cups and a sticker thermometer, which can help you observe the water temperature at all times.
5. [The protective cover is detachable] After long-term use, some dirt may adhere to the inside of the fish heater, which will affect the heating effect. The shell of this heater can be easily removed and installed, which is convenient for you to clean the heating element inside. We provide 12 months warranty service.

List Price: $48.99

Sale Price: $22.97

You Save: $26.02 (53%)

1. Fully submersible, auto shut-off when overheats, resets when cools down
2. Electronic thermostat stops heating once set temperature is reached
3. Precise temperature setting adjustable to 1° F (68-88° F)
4. Shatter-resistant
5. LED light turns on when aquarium water is being heated, automatic safety shut off and overheat protection
6. For fresh or saltwater aquariums up to 75 gallons

List Price: $40.88

Sale Price: $19.96

You Save: $20.92 (51%)

1. Precise temperature setting to 1-degree F (68-88 degrees F)
2. Recommended for aquariums up to 100- Gallons
3. Shatter-resistant construction, fully submersible
4. LED light turns on when aquarium water is being heated; Automatic safety shut off and overheat protection
5. Lifetime Limited Warranty

Sale Price: $12.97 ($12.97 / Count)

1. 【Applicable scene】Suitable for freshwater tanks, ocean tanks, coral tanks, turtle tanks, and hydroponics. Make your pet healthier.
2. 【High-quality material】: Explosion-proof quartz glass, no deformation or softening, multi-layer sealing, waterproof and no leakage; strong double suction cup brackets, which can firmly fix the heater in every corner of the fish tank. The internal material is updated and upgraded, and the ceramic heating body is used, which has low resistance, faster temperature rise, and more power saving; 3C power cord, power plug, and authoritative certification are safer.
3. 【Quick heating/intelligent temperature control】: Step heating, the fastest heating is 5 seconds. The automatic constant temperature function automatically reduces the power when it is close to the set temperature, makes full use of the thermal inertia to reach the set temperature smoothly, and saves energy. When the water temperature is lower than the set temperature, the heater will automatically start heating. In addition, automatic safety shutdown function and overheating protection.
4. 【Note】: 1. The aquarium heater is for 100% submersible use. During the heating period, the heater must be 100% immersed in water. Unplug it when cleaning the tank or changing the water in the aquarium. 2. The heating rod is suitable for people over 16 years old. Children or minors should be under the guidance or supervision of an adult.
5. 【Use and after-sales】Easy to install, 2 strong suction cups can be installed at any angle, just make sure it is completely underwater, the heating rod must be completely immersed in the water, and finally power on. When cleaning is required, please unplug the power plug 10 minutes in advance and wait for the heater to cool down before taking it out. If you are not satisfied with our products, please contact us and we will provide you with professional solutions.

Sale Price: $15.99

1. Preset to 78°F - no adjustment required, electronic thermostat automatically maintains water temperature
2. Made from shatter-resistant quartz glass, which helps to keep your fish and other aquarium dwellers safe
3. LED indicator light displays red when actively heating off when temperature reached
4. Automatic safety shut-off and overheat protection
5. 250 watt heater is designed for 40 to 75 gallon aquariums

Sale Price: $19.99 ($19.99 / Count)

1. 【Intelligent Constant Temp Control】 Aquarium Heater auto constant temperature range is 68℉- 93℉ with multifunctional℉/℃ temperature unit conversion, easy operation with external controller, accurate constant temperature of the inverter controller saves energy by 30%. Titanium aquarium heater continuously provide precise and constant temperature, making the temp difference within ±1℉ and providing the suitable living environment for your aquatic creatures.
2. 【Stronger Protection】 Submersible aquarium heater adopt dual intelligent chip control to realize over-temperature power-off and dry-burn prevention functions, auto power-off prevent high temperature from harming aquatic creatures. 300W aquarium heater with memory function will keep the temperature settings until it powers on again,no need to worry about pets when you going out.
3. 【Safe& Durable】 Aquarium fish tank heater is made of explosion-proof quartz glass with IPX8 waterproof, Titanium heating wire and ABS black shell, which can effectively protect the fish from scalding and more resistant to damage and clean easily, improve heating efficiency and protect the health of fish. Submersible heater much safer for human and your lovely fishes, your fish will no longer fear the winter.
4. 【Easy Use】 Pond heater with detachable shell and strong suction cup help stably fix the heater in every corner of the fish tank, also easier to take out,don't worry about the sucker falling off. Before turning on the power, please keep them completely submerged and install it near the water flowing area to prevent uneven heating.
5. 【Wide Application】The 300 watt adjustable aquarium heater,11.4x2.2x1.5 in, aquarium heater for 30-60 gallon fish tank.It is applied for freshwater and marine saltwater aquariums, aquaculture, glass containers, and hydroponic systems.The 2*4.2ft cable length is convenient for more occasions.Please read the instructions before using.

List Price: $49.99

Sale Price: $39.99

You Save: $10.00 (20%)

1. 🐬【Intelligent Water Sensor and Over Temperature Protection】This aquarium heater has a unique intelligent temperature and water sensor system, the heater will automatically stop heating when the heater is completely out of water or it rapidly heats beyond the set temperature, the indicator light will turn green in both cases to ensure the maximum safety of you and your aquatic organisms just like protecting our own safety.
2. 🐬【Rapid Heating System】The voltage of this fish tank heater is 100-120V/50-60HZ, power 300W, Universal two-pin plug, heater rod length 12.99 inch, power cord is 98.5 inches long, 300W submersible heater for fish tank 26-66 gallon, Temp range: 63-94℉/17-34℃. The heating tube can conduct heat quickly and fully contact with water to achieve rapid heating effect.
3. 🐬【Digital LED Display Controller】The external IC temp controller of the fish tank heater can show the water temp with 2 red LED digits. The temperature in Fahrenheit and Celsius is displayed, which can be switched by pressing and holding the button for a few seconds. To set the temp, just press the button over and over until the screen displaying the temp you desired, the setting is done and the led shows the current water temp again.
4. 🐬【Explosion-proof Quartz Material】The submersible aquarium heater is made of high-quality quartz glass tube, it's very durable and explosion-proof, this fish tank heater can be used for saltwater and freshwater aquariums, which is pretty shatter-proof and blast-proof and prevents electricity leakage. And the stronger black protective container is scald-preventing for your aquatic organisms and your safety.
5. 🐬【Wide Range of Use】This 300W aquarium heater is suitable for many occasions. The fish market is a common place for us. It can maintain the freshness of fish. They are also suitable for places where aquatic life such as fish tanks, aquariums, and small fish ponds are kept. There are strong suction cups on the heater guard and the thermometer, it's easy to install the aquarium heater no to the tank walls or bottom, please keep them fully submerged.

List Price: $13.95

Sale Price: $12.95

You Save: $1.00 (7%)

1. Fully Submersible
2. Length: 13.50"
3. Wattage: 300W
4. Up to 75G
5. For freshwater or saltwater

Sale Price: $10.99

1. [PREMIUM SHATTERPROOF GLASS]Made of shatterproof glass and BPA-free plastic.Bnzaq aquarium heaters are fully submersible and safe for fish without any toxic substance producing.3 FREE artificial aquarium plants as ornament in your tank.
2. [NO LONGER CHILL YOUR FISH]Automatically regulate and maintain water temperature，imitate the original ecological environment for your tropical fish.Provided fish with warm water environment.Perfect to apply to fresh and salt water.
3. [ADJUSTABLE TEMPERATURE]Temperature range: 68°F~93°F.25W heater:suitable for fish tank within 7 gallons,Length:7.8".Easy to adjust temperature by the aquarium heater that suit more species of fish.
4. [AUTOMATIC CONSTANT TEMPERATURE]When water temperature reaches set value,the indicator light will be OFF and the heater will automatically stop heating.The heater will automatically start heating and indicator light will be ON if water temperature is low.You could place heater horizontally or vertically.
5. [ATTENTION]Please place the heater near place (filter or pump) of water flowing to keep more even water temperature.Unplug the heater 30 minutes early when changing the water for the fish tank.

Sale Price: $39.99

1. 【Auto Shut Off】 ①Automatic overheat system will shuts the unit off when the water temperature over 95°F. ② Running dry protection will shut off unit when the heater rod out of water. ③ The power cord 6.3 feet in length and is UL listed.
2. 【Adjust the Temperature to Your Needs】 Equipped with an Intelligent IC temp controller, which will turn the heater off when it reaches a preset temperature and turn the heater back on when the temperature dips below the setting. Adjust the setting of temperature from 59℉ to 93℉ to keep aquarium proper temperature.
3. 【 At-a-Glance Temperature Monitoring Controller】 Build in LED temp controller shows both set temperature and real time water temperature . Red indicator light turns on when heating and turns blue in the situation reached set temp or failure alarm. It can be accurate enough to keep temperatures with +/- 1 degrees.
4. 【Shatter Resistant, Efficient】 The 100w fish tank heater with shatter-resistant quartz glass heating element & uses a nickel-chromium heating wire that provides faster and more efficient heating. Fish heater guard is made of high-temperature PC plastic and to protects your fish getting burn. It also has two-hole slots on the back make it easy for installation to walls by suction cups.
5. 【Fully Submersible Heater】It needs set up either vertically or horizontally underwater at least 5 inches for proper function. Suitable for marine and freshwater tank with a volume of between 10 and 25 gallons. Memory function it remembers the temperature you set it when the power fails.

List Price: $34.99

Sale Price: $20.00

You Save: $14.99 (43%)

1. Hydor Theo 400-Watt Aquarium Heater is a fully submersible; shatter-proof glass aquarium heater ideal for 80-to-105-gallon fish tanks; measures 15.5 inches long
2. Maximum Safety Aquarium Heater; THEO fish tank heater is shock resistant thanks to the patented PTC heating element and the shatterproof glass tube
3. Free positioning in aquarium with supplied suction cups; The Theo aquarium heater can be placed in the fish tank vertically, horizontally and fully submerged
4. Self-Control Limiting Technology; If heater senses abnormal functioning patented PTC heating system guarantees completely safe operation in case of dry running
5. Great Fish Tank Heater for All Fish Tanks; Universal aquarium heater for use in fresh water or marine water fish tanks

Sale Price: $9.99

1. 🐠25W Betta Aquarium Heater: Creating and maintaining a perfect and comfortable water temperature for our cute fish is not easy, which requires a lot of effort. Now DaToo MINI 25W Aquarium Heater can help you make this easier. Precise and constant temperature, no need to set, keep the temperature of fish habitat in the best state at all times. You will find it very easy and happy to take care of pet fish！
2. 🐠Precise And Constant Temperature: No need to set, DaToo Fish Tank Heater will automatically keep the water temperature of the fish habitat at 78℉. This temperature is very suitable for betta and most tropical fish. When the water temperature is lower than 78℉, the heater starts to heat and the red light is on. When the temperature reaches 78℉, the heater stops heating and the green light is on. DaToo will always maintain this comfortable temperature for your beloved fish!
3. 🐠The Smallest 25W Betta Heater: For most fish lovers who have small fish tanks of 1 to 5 gallons, a small heater means more space for fish. This is the smallest 25W aquarium heater on the market, only 0.2 inches. No matter how small your fish tank is, it can be used perfectly in it, and you can't even find it. Very MINI!!
4. 🐠Safe And Durable: Unlike traditional plastic seals, DaToo uses a rubber sealing layer, which ensures that DaToo has better sealing and safety performance, and will never leak electricity or water. Quartz glass material, explosion-proof and crack-proof, more sturdy and durable, without worrying about damage.
5. 🐠One Year Warranty & Satisfaction Guarantee: This heater is ideal for 1 to 6 gallon small glass or acrylic desktop aquariums. When in use, it needs to be submerged 100% in water. We provide one year warranty and 24 hours professional customer service. Buy With Confidence!

Sale Price: $22.99

1. 🐠【Compact Small Heater】110-120V/60HZ oval shape design little aquarium heater, fast heating for small fish tank. 50W tank heater is for 1-6.5gallon, 100W tank heater is for 6.5-13 gallon. Heater Dimension: 2.7x1.4x 4.5 inch. The power cord is 5ft, long enough for use indoors. With 2 strong suction cups at the back side of the betta heater, it's easy to install it on to glass, acrylic or plastic tank
2. 🐠【External Controller】easy to set the temp on the controller, only show farenheit temp, you can set the temp range from 63℉ to 94℉, temp accuracy 1℉. Every time you set the temp, just press the button over and over until it reaches to your desired temp, then stop and wait the digit flashing for 3 times, then setting is done. Keep the controller away from water, it's not waterproof
3. 🐠【Digital Display】with led display on the midle of the heater front side, when the fish tank heater is heating, there indicator light above the digit is on red, when it stop heating, the light is off. The heater with a built-in thermometer, when temp setting is done, the led will show the water temp all the time. The led will display the set temp digit only when you press the controller
4. 🐠【Reliable Thermostat】this an automatic aquarium thermostat, after finishing the temp setting, you can be confidence on that it will maintain the tank water at the temp you set. The tank heater will stop heating when the water temp reaches to set temp, it will restart to heating when the water temp is 1℉ off the set temp. If the water temp is over 95℉, the heater will auto shut off and led displaying HH, it will work normally again when the water temp is lower than 95℉
5. 🐠【Shut off When Out of Water】please note that this a fully submersible aquarium heater for fresh water and saltwater tank, when the top part of the heater is out of water it will auto shut off and the led displaying E1, when fully in water again it will return to normal work again

List Price: $76.99

Sale Price: $69.99

You Save: $7.00 (9%)

1. 🐟LED DIGITAL DISPLAY CONTROLLER: ① Displays real-time water temperature or set temperature, three-digit display, water temperature display accurate to 0.1 °F, easy to read. ② 4 kinds of work instructions - Working/Malfunction/ Thermostatic/ Out of water, easy to understand. ③ Upgrade the buttons to increase the sense of touch, and the operation is simple and easy, just cycle the buttons.
2. 🐟RAPID HEATING: Fastest 5 seconds warming, the internal material is updated and upgraded, using titanium steel material, which is safer to use, not easy to deform, and has very strong corrosion resistance. Automatically reduces power when approaching the set temperature, fully utilizes thermal energy inertia to smoothly reach the set temperature, saving energy.
3. 🐟INTELLIGENT THERMOSTAT: Over-temperature protection prevents "cooking fish". When the water temp exceeds about 93.5 °F, start alternately flashing EE fault code; and over 97℉, the heater will stop heating automatically. When the water temp cool down to 93℉, the heater will start working automatically. In addition, it has a power-off memory function and no need to set it again.
4. 🐟ANTI-DRY PROTECTION: When the heating rod is exposed to air, display ER fault code and the heater will shut off automatically. When the heating rod is completely immersed in water, it will start working automatically. Effectively extend the service life.
5. 🐟HIGH-QUALITY MATERIALS: Built-in dual temperature probe, real-time monitoring of water temperature, temperature accuracy of ± 1 °F; high temperature resistant ABS material, no deformation and no softening, explosion-proof and anti-corrosion, no leakage of electricity. Strong suction cup bracket, can stably fix the heater in every corner of the fish tank.

Sale Price: $26.99

1. External Controller: Our fish tank heater is adjusted by an external controller, which you can mount on the outside edge of the tank. It’s convenient and safe to adjust temperature, no need to take the heater out from water and no risk of burning yourself.
2. Dual Temp Displays: With dual accurate LED digital temp displays, you can read & set the water temp at the same time. It is very easy and convenient for you to recognize and observe the temp change in real time even in the night!
3. Smart Heating: With the built-in temperature sensor and constant temperature heating system, this fish heater will start to work when the water temp is lower than set temp(red indicator), and stop work until the water temp reaches set temp(blue indicator). It can always provide adequate and steady water temperature for your beloved fish.
4. High Quality: Our fish tank heater is made of thicker quartz, which is shatter-proof and blast-proof. The heater cover is compact designed, which is heat resistant that will protect you little fish from scalding.
5. Tank Size: This 100W aquarium heater is suitable for 5-25 gallon fish tank both freshwater and saltwater. With our this fish tank heater, you can create a comfortable and safe environment for your fish.

List Price: $36.22

Sale Price: $31.99

You Save: $4.23 (12%)

1. Features shatterproof glass construction
2. TruTemp dial adjusts from 18° to 34° C (65° to 93° F)
3. Thermo safety control enables "running dry" protection
4. On/off indicator light verifies heater functions
5. Includes mounting bracket and suction cups

List Price: $15.99

Sale Price: $12.99 ($12.99 / Count)

You Save: $3.00 (19%)

1. Temperature Range: 15℃~34℃ or 59°F~94°F. Display both Fahrenheit °F and Celsius ℃. °F and ℃ is easy to switch by just press the control button for over 8 seconds!
2. Compact Mini Heater: Small size but fast & precise heating with built-in smart thermostat, explosion-proof insulated quartz tube and nickel-chromium heating wire.
3. Triple Upgrade Functions: 1. Power-off memory function 2. Built-in power-off function when leaving water 3. Over-temperature & Low-temperature protection system.
4. Easy to Use: 1. Strong suction cups: Help you attach the heater on any smooth surface. 2. External temp control: Adjust temp to any degree you need. 3. Power-off memory function: Remember set temp when it was powered off last time.
5. Precaution and Warranty: Please read attached instruction manual before use! MoonOrange Offers a 180-day warranty for exchange or refund. Please feel free to contact us any time.

Sale Price: $14.99 ($14.99 / Count)

1. UPGRADED MORE DURABLE VERSION: Provided the best warm area to your fish in the cold winter.Keeps improving best aquarium heater for your fish tank, after collecting so many comments from customers, we upgrade its function and life time, now it works more continuously and accurately.
2. MORE SAFETY & HIGH QUALITY: This upgraded aquarium heater now updated for more durable Quartz Glass, which is pretty shatter-proof and blast-proof and prevents electricity leakage. And the stronger protective container updated for Anti-melting anti punching double sealed material, it is scald-preventing for your pets and your safety.
3. FREE THERMOMETER: This fish tank heater come with an extra thermometer to show the accurate tank temperature to avoid overheat or freeze. It provide a constant warm environment for your pet fish to stay healthy, suitable both for fresh and salt water.
4. TEMPERATURE CONTROL: Aquarium heater works in intermittent operation mode and will automatically turn on/off to achieve the setting temperature constantly and stably. Setting the temperature by the red knob on the top with range is 64°F - 94°F.High accuracy(±1°F)
5. APPLICABLE TANK SIZE: Our submersible aquarium heaters are perfect designed for different size tank, 100W for 10-20 gallon; 200w for 20-30 gallon; 300W for 30-50 gallon, 500w for 50-80 gallon;please choose the suitable power for your tank. And we also recommend to position it near a strong water flow, the outlet of a power filter is ideal, so that the whole aquarium are in the same temperature.

Sale Price: $55.58

1. Electronic thermostat from 68°F up to 94°F, accurate to ±0.5°F
2. AUTO SHUT-OFF circuitry prevents overheating.
3. SHATTERPROOF outer casing make the NEO-THERM PRO heaters virtually indestructible.
4. LED DISPLAY for both Set Tamp and Tank Temp, simultaneously.
5. FULLY Submerisble heater

Sale Price: $29.99

1. UPLY 500W Titanium Aquarium Heater -- A habitat with a comfortable temperature is essential for fish. It can bring life and vitality to fish and help them to stay away from diseases. But how to build a habitat with a comfortable temperature? UPLY can help you achieve it easily. Powerful and sensitive temperature control system, indestructible titanium shell, dual security protection, just leave everything to the UPLY Aquarium Heater, a warm and comfortable habitat will be ready!
2. Powerful Heating System -- Upgrade nickel-chromium alloy heating wire, which greatly improves the heating performance of UPLY 500W Heater and provides a longer service life. Titanium shell, thermal conductivity is 3 times that of quartz glass, can quickly and evenly raise the temperature of your aquarium, filling every corner of the tank with warmth.
3. Sensitive And Adjustable Temperature Control -- The top of the heater has a High-sensitivity temperature sensing probe, which can capture minute changes in water temperature at any time, ensuring that the habitat is always at a comfortable temperature. ( Precision ±1℉). And there is a temperature controller on the heater cable, and you can adjust the temperature through it (temperature range 68 ° F to 94 ° F). Just simply press it, you can get the temperature you want, very convenient.
4. Indestructible Titanium Shell -- Unlike traditional glass heaters, UPLY 500W Fish Tank Heater uses titanium as the shell material. This makes the UPLY heater have extremely high strength, without fear of any external damage, explosion-proof and crack-proof. The excellent corrosion resistance ensures that UPLY Titanium 500 Watt Aquarium heater can perfectly adapt to any pH value of water, greatly extending the service life.
5. Dual Security Protection -- For UPLY, how to better protect the safety of pet fish has always been our focus. UP[LY aquarium heater uses a Dual Security Protection design to maximize the safety of your beloved fish. Over-temperature protection, can effectively prevent the water temperature is too high. Out of water protection, can completely avoid dry burning caused by low water level. When you go out to work or travel, UPLY 500W Titanium Aquarium heater will protect the fish for you.