Haven't added anything new to the tank, they have been closed up for 10 ish days now i think i didn't start to worry until after like day 5 cause yea I've had some close for no reason for a bit then open but I'm worried now they won't open again
Only thing I can think of went away for a week and brother watched my tank and i forgot to add kalk back into to my ATO and my ALk was down to 7.5ish when its usually over 8 but I can't imagine a point or so dkh drop over maybe 2 weeks being the problem when everything else looks good
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Current tank---125 gallon mixed reef 60 gallon sump, Reef octopus nw200 skimmer, Rapid LEDs, Maxspec gyre, Mp10s, Fuge, Biweekly 20% WC, QT everything
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