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what is co2?

  1. General Aquarium Plants Discussions
    Part four (Q's) SAGA - P.L.A.N.T.S! Where to go from here? I am not really a new aquarium person, but I never fully got the full lesson. I just always Macgyver'd them and just threw a bunch of rocks n' plants in a cup and called it a day! I been doing this (aquarium stuff) since 2016...