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tank heater
I grabbed a heater because bettas like warm water, and I wanted to set this tank up properly from the start. This one is rated for a 2–10 gallon tank, so it works well for my 5-gallon setup.
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Pros
- +Appropriate size range for a 5-gallon betta tank
- +Helps maintain warm water that bettas prefer
Cons
- -Placement can be a little finicky (I had to decide where to suction-cup it)
