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35 gal hex

  1. Beginner Freshwater Aquarium
    So I got a text today from my mother asking if I would come to her school tomorrow to help a colleague with her tank. Mother is a school teacher. I asked her to send me a picture (see attached). I can tell she has 4 gourami in what I'm guessing is a 35 gal hex, but I'm not sure about the...