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  1. 'Inherited' a tank with fish, help?

    Beginner Freshwater Aquarium
    Our friend's mother is no longer able to care for her fish tank and so we agreed to care for it (and allow her to come visit them). However we are not all that experienced with fish (we had a 20gal tank for a short time) and any suggestions/help/etc. is more than welcome. She gave us no...