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I have heard of certain rocks affecting your water chemistry but I am not sure which kind(s). I decided to pull mine from a local river thinking they have had a long time to be "rinsed" in there. I am about to tie java moss to them, they are flat. Then use them to start a carpet from.
Does anyone know what kind of rock these could be? Any advice?
Thank You
Does anyone know what kind of rock these could be? Any advice?
Thank You
