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  1. Betta Fish Bowls, Habitats, and Accessories
    How do I know if my tank has enough filtration? I have a 20gal tank and an Aquaclear20 filter. I know the rough "one inch of fish per gallon" rule…*but what would be the warning signs that I need more filtration? This is sort of hypothetical: I just upgraded from a 10 to a 20 long — so as I add...
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