My tank is pretty healthy. I don't really have any issues as far as die offs go, or Shrimp not reproducing. I have very had water where I live and because of that my pH is usually around 7.8-8.3, which I have managed. But recently I've noticed my dKH has been high(17-24). A few days ago I upgraded from low tech to high tech and I wanted to check my water parameters for changes. I discovered that my dkh was between 27 and 29, which is really high. I am concerned and wondering what the negative effects of this could be. I am looking for ways to help control this. Last I checked the dkh of my tap water is around 12.
My substrate is composed of expanded shale, so that could be part of it. I did very recently add seachem's Matrix to my boost my biofilter. They are basically porous rock
From what I hear pumice is supposed to be inert though it may depend on the source. You can do a little experiment. Set out three samples of tap water: one with just water, one with the shale, and one with the Matrix (pumice). Track KH for a few days and you should find if either is the culprit.
Only plants, shrimp, snails, and drift wood. It has to be my hard water then. I will admit I don't do many water changes. Mostly I just top off.
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