I'm setting up a 250 litre tank. My water is currently about 6.0pH and quite soft. I'm planning on having south american cichlids, angel fish etc and think i'm best off with a pH of around 7.0 for the variety of fish I want. I am trying to give the tank a marine look, so was wanting texan holy rock and I believe this increases the pH and hardness.
My question is, would introducing a limestone like texan holy rock raise my pH to 7.0 or would it take it too high? Or does it depend how much I use?
My question is, would introducing a limestone like texan holy rock raise my pH to 7.0 or would it take it too high? Or does it depend how much I use?