The Planted Tank Forum - View Single Post - What heater to use in a 2.5 gallon with CRS?
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Old 02-25-2013, 05:59 PM   #2
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We have a 5 gal betta palace with a 25W Hydor in it that seems to do a good job. We had one of those 10W non-adjustable heaters, but it never could get the tank to a proper temp. You may want to get one of the 25W units, and put a separate temp controller on it for added safety so you don't come home to shrimp soup.
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