10 Best
Small Heater For Betta Tanks
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Product Highlights- 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.
- 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.
- 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.
- Ideal for aquariums between 2 to 10 gallons with hoods or glass canopies
- Please read all label information upon delivery. do not plug heater into an electrical outlet until it is placed inside the aquarium.
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Product Highlights
- 【aplication】make the aquarium more ecological and the fish play more joyfully，suitable for freshwater or saltwater fish-only and low-high light level aquarium plants recommended for use over glass or acrylic canopy-covered aquariums by preventing moisture from affecting it.
- [acrylic waterproof] ---acrylic waterproof lampshade to prevent water drops into the light body, scale stains a wipe on the clean, light body clean convenient
- 【upgrade led and super bright】adequate light sources make the fish tank more beautiful，super safe leds for fish tank plants reef and fishes.
- 【 double effect 】 clear at night, providing better viewing effect, energy-saving design, high brightness bottom, low heat, lightweight and beautiful appearance, simple and convenient maintenance and use.
- [reliable quality] ---with energy-saving features, excellent heat dissipation and long service life, we offer you the most comfortable experience, easy and quick to installation on the tank glass wall
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Product Highlights
- At-a-glance temperature display -- heater rod shows real time water temperature and indicator light. it will be red when heating, green light when the proper temperature has been reached.
- Out of water shut off protection -- feature to ensure it doesn’t overheat and cause harm to your livestock. turn off before it exceeds desired temperature. shatterproof plastic guard protects fish/turtle from impact and making contact, easy to detach to cleaning
- Safe rugged construction -- built in shatterproof quartz tube wrapped with two heating element mica plate and nickel wire, along with high-impact plastic housing, hygger submersible aquarium heater ensures the safety of your pets while maintaining proper temperature.
- External knob controller memory function -- allows you quick set temperature without getting hands wet especially in winter, adjustable wide temperature range of 59°f to 93°f in 1-degree increments. memories last setting when you unplug it to water change.
- Great for small, shallow tank -- slim flat profile mini tank heater measures 4.3''x 1.8''x 0.9'', which is quiet space saving and easy to hide behind filter/wood/rock with two strong suction cups mount. thanks to the flat design, it can be placed vertically or horizontally at gravel free aquarium bottom to heat up low water level turtle tank.
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Product Highlights
- At-a-glance temperature display -- heater rod shows real time water temperature and indicator light. it will be red when heating, green light when the proper temperature has been reached.
- Out of water shut off protection -- feature to ensure it doesn’t overheat and to protect your livestock safety. turn off before it exceeds desired temperature. shatterproof plastic guard protects fish/turtle from impact and making contact, easy to detach to cleaning
- Safe rugged construction -- built in shatterproof quartz tube wrapped with two heating element mica plate and nickel wire, along with high-impact plastic housing, hygger submersible aquarium heater ensures the safety of your pets while maintaining proper temperature.
- External knob controller memory function -- allows you quick set temperature without getting hands wet especially in winter, adjustable wide temperature range of 59°f to 93°f in 1-degree increments. memories last setting when you unplug it to water change.
- Great for small, shallow tank -- slim flat profile mini tank heater measures 4.3''x 1.8''x 0.9'', which is quiet space saving and easy to hide behind filter/wood/rock with two strong suction cups mount. thanks to the flat design, it can be placed vertically or horizontally at gravel free aquarium bottom to heat up low water level turtle tank.
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Product Highlights
- 🐠three-point temperature control system -- datoo creatively uses three temperature sensing points, which makes datoo heater has more accurate and sensitive temperature. accuracy is ±1℉. automatic constant temperature, when the water temperature reaches the set temperature, the heater will automatically stop heating. when the water temperature is lower than the set tempe...
- 🐠convenient temperature display & adjustment -- real-time temperature display, datoo heater can accurately display real-time water temperature, no need to buy an extra thermometer, save you money. external temperature controller, just press it gently outside the fish tank, you can get the temperature you want, will not scare your cute fish. very convenient!
- 🐠datoo 50w small aquarium heater -- a warm water temperature can always bring happiness to the fish. they can freely play around in the water without worrying about the cold, which will make them healthier and more energetic. datoo 50w aquarium heater, three-point temperature control system, sturdy and durable, real-time temperature display and external temperature adju...
- 🐠sturdy and durable -- high strength abs shell, no fear of any external force damage and chemical corrosion, high temperature resistant, longer service life. thicker quartz glass, explosion-proof and crack-proof, safer and more durable, excellent heat transfer rate, which enables datoo aquarium heaters to quickly fill every corner of your fish tank with warmth!
- 🐠one year warranty & satisfaction guarantee: this is a 50w small size heater, ideal for 2~10 gallon aquariums. suitable for fresh water and salt water. 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!
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Product Highlights
- With accuracy of ±2°f and overheat protection, protect your tank from extreme temperature
- With compact design and built-in suction cups, the heater can be easily placed vertically or horizontally in aquariums completely
- Preset temperature has been set to 77°f, appropriate for most tropical fish, shrimp and aquatic plants requiring stable conditions
- Led indicator light will turn to red when the heater is actively heating
- This 25 watts submersible heater works for small aquariums up to 5 gallons, providing the ideal water temperature
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- Adjustable temperature: wide temperature range: 59 °f to 94 °f (15-34 °c). slight deviations: ±2 °f. just press the "+" or "-" button on the controller to freely set your desired water temperatures.
- Overheating protection: the fish tank heater automatically shuts off when it operates at an abnormally high temperature. prevent excessive water temperature timely to keep your aquatic lives healthy.
- Fully submerged: the heater should be completely immersed in water during use. it is applicable for fresh, marine and tropical aquariums up to 10 gallons. (note: put it where there’s good water circulations. do not bury it under the sand or gravels!)
- Detect temp timely: with a built-in thermostat, the aquarium heater starts working when the water temperature is below the set one and the indicator light turns red. it stops heating automatically when reaching the set temp and the light turns green.
- Shatterproof & safe: made of 2 mm extra thick quartz glass, the aquarium heating rod can effectively prevent electric leakage. it comes with a heavy-duty isolation cover which always keeps the fish out. no risk of scalding fish.
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Product Highlights
- [overheat protection]: if the aquarium heater overheating, the power will automatically cut off and stop heating, thus protecting your fish. suitable for fresh water tanks and sea water fish tanks, turtle tanks, coral reef aquariums, plant aquariums, etc.
- [thickened quartz explosion-proof glass]: the aquarium heater rapid heat transfer, anti-corrosion, power-off memory function, automatic setting when power on, no need to reset the temperature.
- [mini 10w aquarium heater]: innovative super mini size that takes up less space and is easy to hide, perfect for nanotanks / betta tanks with a temperature range of 64℉ to 93℉ for 1-5 gallon tanks.
- [built-in thermometer]: our aquarium heater built-in temperature sensors, the water temperature will be displayed in real time on an external temperature controller with an accuracy of up to 0.5℃ or 1℉. the operating frequency of the heater will change according to the temperature change, and the heater will automatically stop heating when it reaches the set temperature.
- [package include]: package include 1x usb aquarium heater, 1x suction cup, 1x instructions, the manual contains very detailed instructions and precautions for use.
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Product Highlights
- 【usb powered tank heater】this heater is powered by a 5v/2a usb power supply, which is very safe. no need to worry about the fish getting electrocuted. please use a 5v/2a power adapter (not included) or a 5v/2a power bank (not included) to power the heater.
- 【overheating protection and power-off memory function】when the water temperature exceeds the maximum temperature range, the fish tank heater will stop working. the heater will remember the temperature setting, and in the event of a power outage, when the power is restored, the heater will follow the last setting.
- 【mini aquarium heater】this small aquarium heater is only 5cm (1.97 inches) in length, takes up less space, and is easy to hide in the fish tank. the temperature range of the american fahrenheit model is 64~93°f, and the temperature range of the english celsius model is 18~34°c. please purchase according to your needs.
- 【precise temperature display】using smart inverter technology, this thermostat maintains the heater at a constant temperature through a built-in chip, which is more precise than the knob control of the heater, and the display is easy to read the temperature.
- 【widely used】this fish tank heater is very suitable for small fish tanks of 1~5l. can be used in fresh and seawater, and it can be used not only as an aquarium heater but also for turtles, pet fountains, and plant seedlings.
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