10 Best
50w Small Aquarium Heaters
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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
- 🐠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 ...
- 🐠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.
- 🐠50w 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 50w 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 ...
- 🐠the smallest 50w betta heater: for most fish lovers who have small fish tanks of 6 to 10 gallons, a small heater means more space for fish. this is the smallest 50w 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!!
- 🐠one year warranty & satisfaction guarantee: this heater is ideal for 6 to 10 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!
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Product Highlights
- Adjustable: controllable temperature range from 68 °f to 93 °f (20-34 °c). simply rotate the knob to freely regulate the temperature with deviations from ± 2 °f to ± 4 °f.
- Heating protection: its indicator light turns red during working and automatically shuts off to stop heating when reaching the set temperature. no danger of overheating to your aquatics.
- For 5-20 gal tanks: measure 8.5 inches in length. applicable for aquaculture and fresh, marine and tropical aquariums. save your fish or plants from coldness to keep them vigorous.
- Detect temp timely: with a built-in thermostat, it will automatically keep the water at the set temperature. the extra thermometer sticker allows you to detect water temp at any time.
- Reliable material: the 2 mm extra thick shatterproof quartz glass can prevent electricity leakage. and the iron-chromium heating wires feature fast heating to warm your tank fitly.
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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
- 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 10-20 gallon fresh, marine and tropical aquariums. (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
- 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 50-watt submersible heater works for 8 - 13 gallon aquariums, to provide the ideal water temperature
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Product Highlights
- 【super small size heater with protective case】only 4.6 inches long for 25w/50w heater, 5.9 inches for 100w/150w. very compact size. takes up less space, easy to install and easy to hide in the tank. perfect for mini fish tank. it comes with a protective case to keep your aquatic pet and you from getting burned. shatter-proof, shock and vibration resistant.
- 【easy to adjust and readout】the external controller with led digital display and setting button helps us to easily read and change the temperature. the heater has a memory function and will remember the temperature setting. no need to reset the temperature after power lost. it also has an option to switch between fahrenheit and celsius by pressing and holding the button.
- 【50w mini aquarium heater】it is designed for 10 gallons aquarium tank. temperature can be accurately adjusted from 64 to 93°f. this heater works well in both saltwater and freshwater. rated voltage 100-130v.
- 【automatic maintain a consistent temperature】built in thermostat with 1°f accuracy. it keeps a constant temp in the aquarium. it adopts pid control strategy, so the temperature fluctuation range can be reduced to 1°f. the heating is automatically stopped when the set temperature is reached.
- 【overheating protection, lack of water protection】 automatic shut-off when the water level gets to low or overheating. protect the aquatic pet, and never cook your fish. very safe in daily use.
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Product Highlights
- 🐠【built-in temperature sensor and memory function】this aquarium heater features built-in temperature sensor, and the water temperature will be displayed on the external temperature controller. no need to buy extra aquarium thermometers. also, with memory function, the aquarium heater will remain the temperature last time use. no need to reset the temperature after power...
- 🐠【external temperature controller】this aquarium heater with external temperature controller is easy to use. put the temperature controller on the aquarium outside without touching the water. the wire length is long enough for your needs. just put the heating rod into the water and come with suction cups, easy to install. please do not immerse the temperature controller ...
- 🐠【available 25w/50w aquarium heater】2 power style aquarium heater available for choosing: 25w, 50w. the 25w aquarium heater is suitable for 1-5 gallon aquariums, the 50w one is suitable for 3-10 gallon aquariums. with compact size design, it is easy to hidden in the aquarium without taking up much space. the temperature range is from 64 to 93°f. suitable for both saltwa...
- 🐠【automatic constant temperature】this aquarium heater adopts an advanced intelligent frequency conversion technology which can keep the fish tank water in constant temperature. the heater's working frequency will change as the temperature variation. and the aquarium heater will auto stop heating when it reaches the set temperature. energy saving and eco-friendly.
- 🐠【overheat and water shortage protection】this aquarium heater features overheat and water shortage protection that will automatically shut down when the heater is short of water or overheat. it is safe to use and protective to the fish tank avoiding damage due to the high temperature.
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Product Highlights
- Shock resistant borosilicate glass; high density ceramic heat sick
- Exceptional performance and unsurpassed reliability
- Built in reflective technology mirrors the surrounding colors, making the heater blend into your aquarium environment
- Slim profile tube for easy placement; easy to install
- Suitable for aquariums up to 15 gallons; 50 watts
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