Texas Holey Rock

[MunchieBunchie]

I've got a beautiful piece of Texas Holey Rock which I'm unable to use in my tank as it raises the pH to a level which is to high for my Cardinal Tetras; is there any way I can treat it to stop it inferring with pH levels?

 

[GodFan]

No treatment will fix it without ruining it. You could try offsetting the effext with peat koss and driftwood but it is a long shot.