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Old 04-04-2007, 08:25 PM
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krisalexander krisalexander is offline
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Default What causes SPS bleaching?

I have had some colonies in my reef tank bleach out? My calcium is 430 and my alk is 9.4. Not all are bleaching out only two in the last couple of days? The PH and Nitrites, Nitrates, and Amonia are all in check. Thank you

Kris
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