The Planted Tank Forum - View Single Post - What kind of crypt deficiency?
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Old 01-08-2013, 04:40 PM   #25
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True that excel melts crypts. But I usually start to see it's negative effects on crypts within a week of dosing it, not 3-4 weeks after. Same holds true for algicide products. The time sequence doesn't make sense for them to be the culprit.
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