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Old 08-24-2010, 08:21 PM   #1
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How long can I leave my lights off?

Trying to get rid of that green/brown algae that's starting to take over my sand. How long can my few basic corals go for without any light? Just have some Zoa's and Richordia
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Old 08-24-2010, 08:41 PM   #2
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Not to sure, but I think 4 days of total blackout would not harm Zoos and Rixcs. Have you tried just cutting down on the hours per day? I've had a few patches of hair algae spurt out on me and I've been dosing them with Kalk. a little at a time and being very careful when plucking the longer hair algae.
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Old 08-24-2010, 08:44 PM   #3
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No no no, yeah I mean hrs per day. Like, would curtting back from 7 hours a day to say 4 hours a day hurt the coral?
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Old 08-24-2010, 10:02 PM   #4
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No they will be fine with that. I've had zoas on the under side of rocks that i didn't know about for who knows how long and they bounced back. Zoas and mushrooms are surprisingly durable.
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