the holy trinity

chucksmit

New member
My calc. is 420, my alk is 9.8, my magnesium is 1400. Is my Mag too high? Also, I've got a nitrate level at less than 3 but I'm struggling to get it below that. I've got a refugium with tons of chaeto and some other frond like macroalgae, a asm g1 protein skimmer on a 75 gallon. The polyps on my acro will not come out, but I have another acro (with much smaller polyps) that come out all the time, pictures to come. My monti has polyps out as well.

can't figure out how to get the polyps to extend.
 
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