10 Best
Aquarium Heater 20 Gallons
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Product Highlights- 【safe, fast and precise heating】the internal material of this fish tank heater is explosion-proof insulated quartz tube and nickel-chromium heating wire, which is safer than traditional coil heaters and has better thermal conductivity. the built-in smart thermostat makes the temperature accuracy within ±1℃.
- 【easy to use and operate】①memory function: each time the heater is powered off and turned on again, the previous temperature setting will be automatically retained. there is no need to repeat the setting every time. ②external controller: it’s easy to adjust the temperature and change units without getting your hands wet. the led digital display shows real-time water tem...
- 【compact small heater】oval shape design small aquarium heater, fast heater for small aquarium. the power cord is 5.3ft, long enough for indoor use.please choose the right watt aquarium heater according to our size chart
- 【4 safety protection settings】①automatically stops heating when the set temperature is reached. ② automatically turns off when the heater is exposed to air and when the water temperature exceeds 35℃. ③high quality plastic cover can effectively protect small fishes from getting burned. ④ip68 waterproof,certification plug and power cord make the aquarium heater safe and n...
- 【suggestions for use】when using, please immerse the aquarium heater completely in the water, but not bury it in the sand. fix it horizontally or vertically with suction cups, and place it where the water flows. we offer a 12-month warranty and professional after-sales service, any questions, please don't hesitate to contact us.
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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
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Product Highlights
- 🐟 automatic constant temperature function: this fish heater, adjustable temperature 20 ~ 34 ℃, will shut off automatically when the temperature is reached, no extra adjustment is required.
- 🐟 50w aquarium heater, dimension 18.5x2.5cm, power cord 1.5m, designed for small fish tanks, recommended for aquariums 20-60l.
- 🐟 thickened glass: 2mm thickened quartz glass, 33% thicker than 1.5mm normal aquarium heaters, much safer for human and your lovely fishes, your pets will no longer fear the winter.
- 🐟 quick and easy installation, submersible fish tank heater, vertical or horizontal placement using suction cups. 1 extra powerful suction cups as your backup (total 3).
- 🐟 bonus a stick-on thermometer, no need to buy another thermometer, 24-month warranty and 24-hour professional after-sales service.
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Product Highlights
- 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.
- 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.
- Small and powerful: this aquarium heater is about 9 inch long . 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.
- Overheating protection: built-in temperature sensor, temperature range 64-93°f. if the water temperature exceeds 95°f, the error code "hi" appears, the heater stops working, and when it returns to below 95°f, the error code disappears and it starts working again.
- 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...
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Product Highlights
- 🐟frequency energy-saving: auto reduces power when approaching the set tempe, by heated at 10% to 30% power, fully utilizes thermal energy inertia to smoothly reach the set tempe, saving energy. the external controller is easy to operation, every press changes the set tempe by 1℃, ranges from 59℉(20℃) to a max of 93℉(34℃) in order to meet your needs.
- 🐟anti-dry protection: intelligent temp sensing, when the aquarium heaters is exposed to air, display er fault code and the heater will shut off automatically. when the heating rod is completely immersed in water, it will start working automatically. effectively extend the service life. it has a power-off memory function and no need to set it again.
- 🐟rapid heating: faster warming by seconds, the tank heater 800w material is explosion-proof quartz glass, and nickel-chromium heating wire materials has higher thermal energy efficiency, and then conducts heat through silicon carbide material, is safer and more durable to use. high temperature resistant plastic cover, not easy to deform, and has very strong corrosion re...
- 🐟intelligent thermostat: over-temperature protection prevents "cooking fish". when the water temp exceeds about 35℃, flashing 35 number code, red and green light flash together; and over 34℃, the fish tank heater will stop heating automatically. when the water temp cool down to below 34℃, the pond heater will start working auto.
- 🐟strong safety performance: build-in intelligent led digital temperature display. built-in three temperature probe, real-time monitoring of water temperature, temperature accuracy of ± 1 ℃. strong suction cup bracket, can stably fix the heater in every corner of the fish tank. suitable for freshwater and saltwater.
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Product Highlights
- 🐟【precise temperature control】convenient external temperature adjustment button with a range of 18-34℃. when the water temperature is 0.2°c below the set temperature, bonlux aquarium heater will automatically heat up, and stop heating when the water temperature is the same as the set temperature.
- 🐟【led digital temperature display】bonlux digital aquarium heater can display real-time water temperature and set-temp, with led digital display can help you control the temperature more accurately. no additional thermometer required. (red light indicates heating, green light indicates constant temperature without heating).
- 🐟【compact and versatile】bonlux fish tank heater 50w, size: 11.5*7.5*3.5cm, with 2 powerful suction cups, suitable for 20l tropical fish tank, aquarium tank, betta fish tank, turtle tank, etc.
- 🐟【enhanced safety features】bonlux small aquarium heater adds a new self-protection function than ordinary aquarium heaters. the fish tank heater will automatically turn off when it is not fully immersed in water or when there is a dry burn; when the water temperature exceeds 36℃(96℉), the heater will automatically stop heating.
- 🐟【high-temperature resistant protective cover】bonlux mini aquarium heater is 30% thicker than ordinary aquarium heaters, more durable. made of explosion-proof quartz glass material and high temperature resistant nichrome electric heating wire, water heating faster. the shell is made of high temperature resistant pc material, which prevents the fish from being burnt when...
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Product Highlights
- Plastic cover protector (removable).
- Material: stainless steel. type: 25w. voltage: 220v.
- Easy to use, safe, need. fully submersible heaters operate in any position (horizontal or vertical) to provide the maximum temperature of the aquarium water.safe and reliable in both fresh water and salt water aquariums! it includes two suction cups for mounting and shatterproof glass.
- Automatic shutdown when the temperature is reached.
- With the use of the temperature controller, this allows accurate thermal control via the easy set thermostat for precise adjustments
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Product Highlights
- 【adjustable and accurate】: the temperature is adjustable, and the adjustment range is 68°f-93°f (20°c-34°c). a free thermometer is provided, and the real-time temperature can be measured by sticking it on the fish tank.
- 【stable and practicable】 beautiful in appearance, shorter length, can save more space for your fishes. adopt 8-slot multi-branched heating wire ceramic frame, , better heat dissipation, longer service life.
- 【specification】25w water heater, 7.8*1*1 in(20*2.5*2.5 cm), suitable for 5l-30l tank, also suitable for saltwater and freshwater.
- 【safe】 the aquarium heater is made of 2mm thickened quartz glass, 33% thicker than ordinary glass, explosion-proof, not easy to crack, which is very safe for people and animals.
- 【package includes】25w aquarium heater*1, thermometer sticker*1, suction cup*3. provide 12 month warranty, if you have any questions or suggestions, please feel free to contact us.
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Product Highlights
- Easy to use, safe, need. fully submersible heaters operate in any position (horizontal or vertical) to provide the maximum temperature of the aquarium water.safe and reliable in both fresh water and salt water aquariums! it includes two suction cups for mounting and shatterproof glass.
- Automatic shutdown when the temperature is reached.
- Easy to use, safe, need. fully submersible heaters operate in any position (horizontal or vertical) to provide the maximum temperature of the aquarium water.safe and reliable in both fresh water and salt water aquariums! it includes two suction cups for mounting and shatterproof glass. plastic cover protector (removable). automatic shutdown when the temperature is reach...
- Plastic cover protector (removable).
- Material: stainless steel. type: 25w. voltage: 220v.
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Product Highlights
- 【heating fast with high-temperature resistant cover】tobebright 100w small aquarium heater, designed for 50-75l fish tanks, utilizes ultra-stable nickel-chromium heating wire and explosion-proof quartz glass to swiftly and consistently conduct heat. crafted from high-temperature resistant pc material, it ensures safety by preventing fish from being burned during heating,...
- 【enhanced comfort for your aquatic pets】the tobebright 100w turtle tank heater, featuring a precise 0.2°c thermostat, provides dependable and consistent heating. it intelligently halts heating once the set temperature is reached, promoting aquatic wellness and energy efficiency. additionally, it resumes heating when the temperature falls 0.2°c below the desired level, m...
- 【over temperature protection】tobebright 100w fish tank heater adds a self-protection function than ordinary heaters, tobebright 100w aquarium heater will automatically turn off when it is not fully immersed in water or when there is a dry burn; when the water temperature exceeds 34℃(93℉), the heater for aquarium fish tank will automatically turn off the power to ensure ...
- 【convenient temperature control】the tobebright 100w small fish tank heater features an external button for easy temperature adjustments, offering a range of 18-34℃/64-93℉. it supports both fahrenheit and celsius readings, switchable by holding the set button for 3-5 seconds. remember to avoid direct contact with water when in use.
- 【versatile heating solution】the tobebright 100w aquarium heater is versatile, catering to both freshwater and marine environments, accommodating a wide range of aquatic species. perfect for tropical fish, neon tetras, guppies, angelfish, goldfish, bettas, and sea turtles, this heater can also be used for warming pet drinking water, aiding plant hydroponics, and various ...
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