how much water you need to change is going to vary. If I had an 8 gal tank with at least 1 fish in it, I would try changing about 10% weekly.Originally Posted by longhorna95
how much should I do for an 8 gallon biocube
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how much water you need to change is going to vary. If I had an 8 gal tank with at least 1 fish in it, I would try changing about 10% weekly.how much should I do for an 8 gallon biocube
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