Is it just me or is 7-8 kh lower than most of us keep are tanks? I have talked to very successful reefers that aim for 8-10 I even had someone tell me they tried to keep their reef at 10-11 kh. If this apearently low kh is a requirement I wish it was stated on some of the literature I read. Or on any of the bottles for that matter. I have only had the powder blue stag rtn from the tip every thing else seems ok.
Just my 2 cents worth.
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