for very hard water

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  1. L

    Medium Size, Colorful Fish For Community Tank?

    Well, my angle fish did not survive (actually I still have one)...neither did the blue rams.  My water is way too hard.  So, my choices are either buy a reverse osmosis filter, or find fish that can live in my water.  In this particular tank I still have 2 bolivian rams, the one angle, and 8...