10 Best
Freshwater Aquarium Heaters
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Product Highlights- 24/7 monitoring regulates temperature and avoids large, unsafe fluctuations and 360° indicator light ring displays heat mode clearly from any angle (illuminates red when heating function is engaged and blue when desired temperature is achieved)
- Large grip dial easily adjusts water temperature from 72-90˚f / 22-32˚c
- 50-watt heater designed for freshwater aquariums up to 15 gal (50 l) with advanced electronic construction provides superior accuracy, stability and long-term performance
- In absence of water, the t-heater automatically cuts power to prevent overheating and heater guard provides additional protection against breakage
- Fully submersible design allows for placement anywhere in aquarium either vertically or horizontally
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Product Highlights
- 24/7 monitoring regulates temperature and avoids large, unsafe fluctuations and 360° indicator light ring displays heat mode clearly from any angle (illuminates red when heating function is engaged and blue when desired temperature is achieved)
- Large grip dial easily adjusts water temperature from 72-90˚f / 22-32˚c
- 100-watt heater designed for freshwater aquariums up to 30 gal (100 l) with advanced electronic construction provides superior accuracy, stability and long-term performance
- In absence of water, the t-heater automatically cuts power to prevent overheating and heater guard provides additional protection against breakage
- Fully submersible design allows for placement anywhere in aquarium either vertically or horizontally
SHOWview product -
Product Highlights
- 24/7 monitoring regulates temperature and avoids large, unsafe fluctuations and 360° indicator light ring displays heat mode clearly from any angle (illuminates red when heating function is engaged and blue when desired temperature is achieved)
- Large grip dial easily adjusts water temperature from 72-90˚f / 22-32˚c
- 200-watt heater designed for freshwater aquariums up to 65 gal (200 l) with advanced electronic construction provides superior accuracy, stability and long-term performance
- In absence of water, the t-heater automatically cuts power to prevent overheating and heater guard provides additional protection against breakage
- Fully submersible design allows for placement anywhere in aquarium either vertically or horizontally
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Product Highlights
- Thermal switch automatically turns off past max preset and resets once the temperature lowers
- Three window positions to view the temperature display
- Adjustable temperature dial clicks through each degree for accuracy
- Advanced mica core heating element for efficient heat transfer and enhanced durability
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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 25-50 gal tanks: measure 11.4 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
- 【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.
- 【works in both freshwater and saltwater tank】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 25 and 50 gallons. the power cord 6.3 feet in length and is ul listed.
- 【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 memory function it remembers the temperature you set it when the power fails.
- 【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.
- 【shatter resistant, efficient】 featuring shatterproof quartz glass tube + 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.
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Product Highlights
- 🐬【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 20-66 gallon, temp range: 63-94℉/17-34℃. the heating tube can conduct heat quickly and fully contact with water to achieve rapid heating effect.
- 🐬【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 yo...
- 🐬【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 a...
- 🐬【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, t...
- 🐬【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 aq...
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Product Highlights
- 24/7 monitoring regulates temperature and avoids large, unsafe fluctuations and 360° indicator light ring displays heat mode clearly from any angle (illuminates red when heating function is engaged and blue when desired temperature is achieved)
- Large grip dial easily adjusts water temperature from 72-90˚f / 22-32˚c
- 300-watt heater designed for freshwater aquariums up to 80 gal (300 l) with advanced electronic construction provides superior accuracy, stability and long-term performance
- In absence of water, the t-heater automatically cuts power to prevent overheating and heater guard provides additional protection against breakage
- Fully submersible design allows for placement anywhere in aquarium either vertically or horizontally
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Product Highlights
- Ultra tough construction: crafted from durable thermal shatter-resistant quartz glass, this heater guarantees safety and reliability in heating your aquarium.
- Overheat protection: the heater is programmed to automatically turn itself off if the water temperature exceeds 98℉, protecting your fish from overheating.
- Adjustable temperature setting: experience effortless temperature adjustment and monitoring with convenient controller, ensuring precise control for optimal water temperature.
- Easy installation: with its sleek and compact design, the heater can be easily installed vertically or horizontally using the included suction cups.
- Ideal for your aquarium: the nicrew bh aquarium heater is a versatile choice for both freshwater and saltwater aquariums, maintaining constant and stable temperatures for your aquatic creatures to thrive.
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