8 Best
Heater For Fish Tank 3 Gallons
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Product Highlights- Preset temperate requires no adjustment
- Led running lamp illuminates to indicate when product is in use
- Strong shatterproof polymer construction protect tank and inhabitants from damage
- Waterproof, fully submersible design allows easy positioning inside aquarium
- For use in freshwater and saltwater aquariums
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Product Highlights
- Vertical or horizontal placement using suction cups that mount to the bottom or side wall of tank
- Shatterproof construction
- Note: do not operate or leave product plugged in when it is outside of water
- Ideal for desktop aquariums up to 3 gallons
- Fully submersible
- Quick and easy installation
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Product Highlights
- ◣uniform heating: with a heating wire that is wound evenly and densely, and a black part that is magnetic heating, this aquarium heater can heat up your water quickly and effectively.
- ◣versatile compatibility: this aquarium heater ensures stable temperature for different types of fish tanks and aquariums, be it freshwater or seawater, catering to all your aquatic pets' needs.
- ◣steadfast suction cup design: our aquarium heater boasts rubber suction cups that securely anchor it to the cylinder, guaranteeing safe, reliable heating without any movement or slippage.
- ◣temperature control: create a comfortable environment for all kinds of tropical fish with this aquarium heater that can precisely control the temperature of the water at 26c.
- ◣keep fishes warm: this aquarium heater provides a stable and comfortable water temperature for your fishes, making them happy and healthy. a great addition for fish lovers.
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Product Highlights
- 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%!
- 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”!
- 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 po...
- 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.
- 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.
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Product Highlights
- Automatic constant temperature - 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 technol...
- External controller and memory function - external temperature controller, no need to get your hands wet, no need to buy other controllers, 52 inch long power cord, strong suction cups, easy to install., easy to control.the last setting is stored in the thermostat. dual built-in temperature sensor,in case of a power cut, when the power recovers the heater will follow th...
- Super mini size - 10w small aquarium heater is “thumb size” - only 2.36” (6cm) in length. great for o tanks / betta tanks. the innovative super mini size perfectly solves the headache of the fish keepers on the traditional heaters! takes up less space, easy to hide, but in full power! temperature range is 64-93 f, for 1-2 gallon tanks.
- Overheating protection, out of water 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 or when the water temperature exceeds 97 f. you are free from “cooking fish”!（note: the heater must be fully submerged when in use!）
- Multi-purpose – this heater can be used for both fresh and marine water. it can be not only used as an aquarium heater, but can also work for turtles, pet fountains, and plant seedling.
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Product Highlights
- Accurate temperature – thanks to the intelligent inverter technology, with the in-built chips this thermostat keeps the heater at a constant temperature at an accuracy of 1f, much more accurate than the traditional knob-controlled heaters. the thermostat shows 2 readings – the current temperature and the set temperature – very easy to operate.
- Memory function – the last setting is stored in the thermostat. in case of a power cut, when the power recovers the heater will follow the last setting.
- Super mini size – this small aquarium heater is “thumb size” - only 2.36” (6cm) in length. great for nano tanks / betta tanks. the innovative super mini size perfectly solves the headache of the fish keepers on the traditional heaters! takes up less space, easy to hide, but in full power! temperature range is 64-93f, for 2-4 gallon tanks.
- 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 or when the water temperature exceeds 97f. you are free from “cooking fish”!
- Multiple uses – this heater can be used for both fresh and marine water. it can be not only used as an aquarium heater, but can also work for turtles, pet fountains, and plant seedling.
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