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Unread 03/10/2019, 07:50 PM   #30
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Join Date: Dec 2016
Posts: 68
3 zoa colonies retracted 2 weeks ago. I had a dip in calcium from 430 to 400, and magnesium from 1400 to 1300 ...Currently Sal -36, dkh-9(down from11), temp-77. These colonies were beautiful, and overnight pulled in like this... No changes were made leading up to this other than my calcium doser ran low causing a drop.

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