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Review on ๐Ÿ  Insputer 300W Aquarium Heater: Submersible Titanium with Temperature Display & External Thermostat Controller for 50-60 Gallon Betta Tanks by Bricyan Krzywicki

Revainrating 2 out of 5

questionable thermostat on aquarium heaters and coolers

I bought this for my large goldfish tank for the winter as the room the aquarium is in can be very cold and does not heat well. I figured I could leave it on the lowest setting of 68 degrees Fahrenheit and they'd be fine. HOWEVER, I have two thermometers in the tank and noticed that the temp reading on the heater was at least 5 degrees LOWER than my thermometers. I didn't want my goldfish tank to overheat and removed it immediately as the tank was well over 75 at one point. It might be fine for tropical fish, but I need something concrete for my Shubunkins. Especially for the price.

Pros
  • Easy install
Cons
  • Used