Cobalt Aquatics 100-Watt Neo-Therm Electronic Heaters for Aquarium

I bought this heater because I don't like to use glass thermometers in my tank. I've had them break and develop condensation in as little as a few weeks of use. I liked the style of this heater and decided to give it a try. It's very solid, easy to use and holds the temperature very well. It is not as noticeable in the tank as many of the other heaters are and because of its slim size, it is easy to hide behind plants and other aquarium decor.

This heater is the best investment yet! It keeps the water within 0.5 degree of set temperature as advertised. I am very pleased!

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Pros

electronic chip turns the heater on/off instead of a spring that expands (glass heaters)

plastic slim instead of bulky glass

accurate temp reading matches the temp of a external controller

con

suction cup attracts a lot of dirt

pricey almost twice the cost vs regular heaters

led light never turns off always on can be annoying

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