Quote:
Originally Posted by Myka
Doesn't sound like anything I have experienced or read about anyone else experiencing yet. Why is calcium so high? IMO that's not "a bit high", that's really high. If you're keeping alkalinity around 7.0 dKH, then calcium should be really close to 410 ppm. To put it in perspective, calcium level of 470 ppm has balanced alkalinity of 15.4 dKH.
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I was using a Hanna Checker for calcium and Alk. Calcium was at 478 on Saturday (after a water change), 468 on Sunday and 450 today using a Salifert kit. I haven't dosed anything just water changes using AF reef salt for the past month (5g weekly). I guess I'll have to mix up a new batch and measure as the numbers on the certificate seem to be way off. So I don't know why calcium is so high but I'm guessing the salt mix.