Quote:
Originally Posted by FragIt Dan
That might have something to do with it, particularly as lockrookie said... if it was medicated with copper (I too would not use the rocks in a reef tank if this were the case). There are a multitude of factors that may be contributing to your decreased coralline growth. It is likely a combination of things. Your low dKh would likely be contributing as well.
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My dKh is good and stable, it is not low. I'm getting growth on my corals, so do you think it is not copper? if it was another medication that was used, would it be ok?