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- Apr 20, 2017
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My kh was a 9, I know it was fine, but I was curious how high the required dose for my tank would increase it. Instead of increasing it, it actually dropped from 9 to 8. I thought it was supposed too increase it, am I wrong? By the way my calciun reads 520, and no material how many water changes I do it never drops. Can I put in a clam even though it's that high? Thanks for any help.



