Heater question

[Fishmanic 137]

Your heater does sound like it's defective. A 50 watt heater in a 10 gallon tank should heat water up at least 10 degrees higher than room temperature if needed.

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[Itsmemario]

Your heater does sound like it's defective. A 50 watt heater in a 10 gallon tank should heat water up at least 10 degrees higher than room temperature if needed.

Please check out our Betta of the Month contest and cast your vote for your favorite Betta. Click here to see the competition and please vote.
https://www.fishforums.net/threads/...fish-of-the-month-contest-bettas-only.453671/

That's what I think too, I'll be replacing it.