steffi0122
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- Mar 24, 2004
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I just bought a small tank with an undergravel filter for my two bettas to share. (Don't worry i put a divider in there!) The tank is about two gallons and it has an undergravel filter. I have a larger 5.5 gallon as well but that one has a power filter. I am used to doing the gravel clean once a week along with a 30 % water change. Now with this smaller tank i am not sure how to clean it at all. should i do a partial change once a week as well? I don't know anything about undergravel filters or how to keep them clean...could some one please help me out here?