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Hello,are there any websites or forums that can show info about fishes. What i'm looking for are what the fishes preferred water quality is,like PH, GH and temperature.

So, I have recently acquired a 58 gallon tank 100% free. It's in great condition and I have always wanted a Salt Water fish tank. However, I know these can get pricey and I want to budget out and make a goal of what I need to save for. If anyone has a sort of "list" of things I will be needing...