Calcium problems.
Hi,
If you are using ARM, which happens to be near 100% Aragonite, then you will get about...oh... < 5% magnesium. I would email Caribsea and see if they add magnesium in to their mix because Aragonite, as a rock, doesn't have much magnesium. Remember that Domolite discussion...Aragonite is better because it can't over dose Magnesium !
So, how long have you had this low calcium state ?
IMHO, I would try the magnesium theory on a small bucket of tank water before trying it in the system.
- Victor.
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