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Dreyoo 2 Set Aquarium Fish Tank Heater, Submersible Aquarium Heater with Thermometers Stickers and Suckers, Adjustable Knob Aquarium Water Heater Built in Thermostat for Aquariums (300 W)

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$23.99

$ 9 .99 $9.99

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  • 300W Aquarium Heater: suit for 40 to 55 gallon aquariums, the tank heater is 11" in length, 110-120V and 5 feet plug cable, the package comes with 2 pack fish tank heaters, 4 aquarium thermometer stickers and several suckers
  • Adjustable Temperature: aquarium submersible heater has an exact temperature scale of 68 to 93 °F, complete control of the water climate within 1 degree of difference; Sensitive and reliable thermostat maintains uniform temperature, when red light on is heating, and automatic shutdown when temperature is reached
  • With 4 aquarium temperature stickers: the thermometer strips range from 39℉ to 97℉ and 4℃ to 36℃; The temperature sticker is a piece of temperature sensitive paper with color markings showing the current temperature, very easy to read
  • Distinct Design: the aquarium water heater uses 2 mm thickened quartz glass, can be applied in fresh-water and saltwater aquariums, easy to hide in the tank, which is not easy to crack and safe for people and water animals
  • Note: the fish aquarium heater need to adjust temperature firstly, and then fix suction cup, and the heater must be completely immersed in the water, finally powered on; Also, if you want to clean tank water heater, and you should wait the heater to cool before removing it



Product Description

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High-quality heating wires and 2 mm thickened corrosion-resistant quartz glass, suitable for fresh water and saltwater tanks.

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With suction cups, easy to fix the heaters in fish tank firmly, no complicated installation steps, convenient and quick for use.

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With red indicator lights on both sides, which will be on when powered, easy to know working state.

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The thermometer sticker has a range of 39℉ to 97℉ and 4℃ to 36℃, and the temperature sticker is a temperature-sensitive paper with color-coded markings showing the current temperature, which is very easy to read.

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Please choose right heater power and quantity according to actual tank capacity and different temperature.

Heating speed depends on the size of fish tank, but installing it close to the circulation pump or filter will help to disparate heat so that the whole tank can warm up quickly.

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Philip Menees
Reviewed in the United States on March 11, 2025
delivered as stated, works as promoted, very satisfied.
capnchaos
Reviewed in the United States on February 7, 2025
These work very well. Tgey sccurately heat water as set. The ‘set knobs’ also turn very easily. Great price for two.
Dawn Mitchell
Reviewed in the United States on February 23, 2025
I love the fact that it come with two in a pack and heats up my turtle tank really well only one downside I have one of them was broken and I'm not taking the time to even exchange it but this is the second time I have bought this product it's great value for your money and that functions very well
Lisa Holmes
Reviewed in the United States on February 2, 2025
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DeAngelo E.
Reviewed in the United States on February 17, 2025
Both heaters came packaged well with tempature strips. After placing in my aquarium both stopped working after an hour. The heater element turned on for about 30 minutes then turned off but the on light has stayed on not heating at all. Also they were supposed to be 300w heaters and have 200w printed on them. Very disappointed and fish are unhappy.
Sasha Robinson
Reviewed in the United States on November 18, 2024
Works great and fast the fishy’s were happy!
cjb
Reviewed in the United States on December 4, 2023
I use one in my 3 year old turtle's tank, that is 55 gallons. It keeps the water at the perfect temp. You do need to adjust the temperature yourself on colder days, as it is not self adjusting.The other water heater I use in our 55 gallon fish tank.
Nobody
Reviewed in the United States on January 6, 2023
Got these for a 150gal outside tank and they have done a excellent job keeping it warm even when it snowed tank was good and warm and fish was happy the thermometers did not come was disappointed but both heaters still working good
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