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Review on 🐠 SZELAM Submersible Aquarium Heater with Thermostat - 200W 300W 500W 800W Fish Tank Heater with Overheating Protection, Fast Heating for 26-211 Gallon Betta Fish Tanks by Kevin Hole

Revainrating 5 out of 5

Maintains the correct temperature in the aquarium

We had a problem with our original aquarium heater. We would adjust it a bit and end up with very hot water. With that you install it and it keeps the right temperature. It works so well. The instructions leave a lot to be desired, but I quickly realized that all I had to do was press a single button to install it.

Pros
  • Energy saving heater for the aquarium.
Cons
  • Poor repairability