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what kind(s) of fish

  1. Beginner Freshwater Aquarium
    I'm new here, and I need help setting up my first tank. first of all I need to determine the pH and hardness of the water right? So, I went and looked at a chart with all the numbers... What I got from it is this- the hardness is 125 ppm, what is that in dH? (General hardness, whatever that...