Alk 10, CA 450, PH 8.21, MAG 1800!?!?!?!? I have a RSM 130 34 gal trying bunch of sps frags in it. ATO, Dosinga little 2 part, Apex keeping it in check. RODI water test weekly with Reasea reef test kit and keep log of levels and they are good except that Mag? Last water change was 1440 a week ago just did water change and tested and hour later.
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