Excellent tank heater! My Betta is so happy now! I set it to 75F and could probably be warmer as he likes to hide next to him and run out when I visit him. :) I used to worry about this, but now I know it won't be freezing in Maine this winter. It actually saves me money because, and I know it's silly and crazy, we didn't lower the temp to the usual 64 degrees at night to keep our little fish warm. So anyway! Very satisfied!
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