Top 8 Best Aquarium Heater 3 Gallon

Fully submersible. Vertical or horizontal placement using suction cups that mount to the bottom or side wall of tank. Quick and easy installation. Shatterproof construction. Can be used with glass or acrylic enclosures. Note Do NOT operate or leave product plugged in when it is outside of water. Warms aquarium water up to 6F above ambient room temperature. Ideal for desktop aquariums up to 3 gallons.

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.. 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.. Ideal for aquariums between 2 to 10 gallons with hoods or glass canopies. 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 dcor.. Please read all label information upon delivery. DO NOT plug heater into an electrical outlet until it is placed inside the aquarium..

Betta HeaterThis 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.. Quick and Easy InstallationVertical or horizontal placement using, Aquarium heater automatic temperature control 78, no need to adjust temperature, easy to operate, fishes happy.. How it Works Plug in, red light turns on, the heater will start working until water temperature up to 78F, and red light off, then the green light will turn on, heater stop working and keeping constant temperature 78F. Accuracy3F. Note Do not operate or leave product plugged in when your water tank is out of water, heater should be fully submerged into water. Please install a water pump or filter to help water circulating while heating.. SATISFACTION GUARANTEEDOur Aquarium Heater is built with durability in mind and safety for every design. In the remote possibility that youre 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..

Strong shatterproof polymer construction protect tank and inhabitants from damage. Preset temperate requires no adjustment. Waterproof, fully submersible design allows easy positioning inside aquarium. LED running lamp illuminates to indicate when product is in use. For use in freshwater and saltwater aquariums.

SMALL AND POWERFUL This mini aquarium heater is about 2 long, and is super small. It is specially designed for small fish tanks and does not occupy any space. Upgrade the chip to make the temperature sensing more sensitive and the temperature rise more accurate.. INTELLIGENT MEMORY FUNCTION After setting the target temperature, the power is suddenly turned off, and the target temperature remains unchanged after turning on the power again.. OVERHEATING PROTECTION Built-in temperature sensor, temperature range 64-93F. If the water temperature exceeds 95F, the error code HI appears, the heater stops working, and when it returns to below 95F, the error code disappears and it starts working again.. EXTERNAL CONTROLLER External temperature controller, no need to get your hands wet, no need to buy other controllers, 52 inch long power cord, easy to install, easy to control.. WIDELY USED Suitable for freshwater and saltwater. Meet the growth temperature for turtle, Fighting fish,Guppy, Goldfish, Neon Tetra, Gourami, Peaceful Betta, Pterophyllum, Dwarf Gourami, Pterophyllum Scalare, Betta Smaragdina, Koi, Corydoras, Anabantoidei, Paradise Fish, Clownfish,swordtail....

PREMIUM SHATTERPROOF GLASSMade 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.. NO LONGER CHILL YOUR FISHAutomatically regulate and maintain water temperatureimitate the original ecological environment for your tropical fish.Provided fish with warm water environment.Perfect to apply to fresh and salt water.. ADJUSTABLE TEMPERATURETemperature range 68F93F.25W heatersuitable for fish tank within 7 gallons,Length7.8.Easy to adjust temperature by the aquarium heater that suit more species of fish.. AUTOMATIC CONSTANT TEMPERATUREWhen 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.. ATTENTIONPlease 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..

SUPER MINI SIZE This aquarium heater is SUPER SHORT in length might be the shortest aquarium heater in the market It is only a bit more than HALF of the length of the traditional aquarium heaters The innovative super short length perfectly solves the headache of the fish keepers on the traditional aquarium heaters Takes up less space, easy to hide, but in full power Temperature range is 64-93F. 25 Watt for 3 - 5 Gallon tanks.. SUPER ACCURATE 1 Thanks to the intelligent inverter technology, with the in-built chips the thermostat keeps the fish heater at a constant temperature at an accuracy of 1, much more accurate than the traditional knob-controlled fish heaters and you save your electricity expenses by 50. DIGITAL DISPLAY WITH DOUBLE TEMP. READINGS This fish tank heater comes with an external thermostat with digital display that shows 2 readings the current temperature and the set temperature very easy to switch by pressing the SET button and you save an extra thermometer for current temperature measuring.. DRY RUN OVERHEATING PROTECTION Full consideration of safety. With the multiple protections this fish tank heater will stop working when the water level is lower than the minimum water level DRY RUN PROTECTION or when the water temperature exceeds 97F OVERHEATING PROTECTION. You are free from cooking fish. MEMORY FUNCTION The last setting is stored in the chips of the thermostat. In case of a power cut, when the power recovers the fish heater will follow the last setting..

50Watts Small Fish Tank Heater This Aquarium Heater is suitable for 5-10 gallons tanks, Mini size can well fit your mini tanks. Voltage 110-120V, power cord length is 52, Suitable for freshwater and saltwater. Meet the growth temperature for turtle, Fighting fish,Guppy, Goldfish, Neon Tetra, Gourami, Peaceful Betta, Pterophyllum, Dwarf Gourami, Pterophyllum Scalare, Betta Smaragdina, Koi, Corydoras, Anabantoidei, Paradise Fish, Clownfish,swordtail.. Precise and Constant TemperatureAn intelligent IC chip controls the heaters temperature. The temperature accuracy is 1. The fish heater will automatically start heating when the water temperature is lower than the set values and stop heating when the water temperature reaches the target.. External Temperature ControllerAdjust the temperature from 64 to 93, This submersible heater is adjusted by an external controller, which you can mount on the outside edge of the tank. Its convenient and safe for you to set the temperature, No need to put your hands in the water to adjust the Aquarium Heater temperature.. Prevent for Over Heating and Out of Water Protection The heater will cut off power and stop heating automatically when the fish tank heater is out of water or the water temperature is over 95F. E1 error code will be shown. The function recovered when the heater is 100 immersed in water or the water temperature goes down to below 93.. NoticeDuring its heating time, heater must be 100 immersed into the water. Please unplug the power supply when cleaning the fish tank or aquarium water changes. Heater rod is suitable for people over 16 years of age. Children or minors should be under adult guidance or supervision to use..