- Joined
- Aug 21, 2015
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could your calcium be low while alkalinity is stable at 8.2 im asking because for some reason my calcium is dropping like crazy this is a new set up with a couple of sps and mini zoa colonie i use the hanna calium checker it tested at 387 i dosed in the morning and when i got back from work it was 381 i took a water sample to lfs store he told me my calcium is 425 he uses saifert test kit what could this be