I need a heater for my Beta's 3.5 gallon tank. I saw mixed reviews when it came to this heater but decided to go for it based on the price and the need to try it. I have no complaints about how the product works. I didn't want to hit a specific temp, I just needed to get the temp of the tank above the 70 it was at. I don't take my temperature every day, but several times a week. The thermometer always reads around 78 degrees. I can say he does what he has to do because the fish are very active. My only complaint is the size. For my purpose I would like the heater itself to be smaller, however this is the advertised size.
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