System is 2 years old, 140g. Lightly stocked with mostly SPS and a few LPS and other corals.
I used a Ca reactor to provide Ca and Alk. It seems that every few months I need to adjust the Ca up for whatever reason.
Right now my Ca is 350 and Alk is 11dKH. I have a feeling my Mg is not high enough though; I need to get a new test kit to check into that. I had it adjusted to 420/11 previously.
Tyler
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