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Old 10-30-2010, 02:11 PM   #1
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minimum lighting for reef

My 28 gallon is breaking out in algae again! this time its mostly macro algae..some hair. The only thing i have added was a small clown goby and some new zoas. I do water changes every other week but had done two in one week prior to adding the zoas (breakout began after addition). I am feeding every other day and sometimes every third day. The tank has a diamond sandsifter goby, a tribal blenny, a black clown goby, a target mandarin, and a yellow watchman goby. The sand has also become clumpy..the sandsifter is still sifting it but that doesn't help much.

My question is how much can i cut back on lighting? I have a brain, monti coral, candy coral, birdsnest, and hammer coral that im worried about. The lighting is 150watt MH. Is six hours a day too little??

(and yes i have increased my water changes to try to get the algae down as well)
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Old 10-30-2010, 04:28 PM   #2
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FantasyReef Databases-Viewing item "10 Step Plan for Nuisance Algae Control"

Another view on Algae control - helpful tips

Algae control in salt water tanks

Some good links for nuisance algea. With those corals I would not go less than VHO`s.
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Old 10-30-2010, 04:40 PM   #3
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Thanks, but I am not changing the light I just want to know how much i can cut back in hours per day without the corals suffering.
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Old 10-30-2010, 04:45 PM   #4
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Sorry I misunderstood. Yes 6 hours will work.
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Old 10-30-2010, 05:19 PM   #5
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okay great thanks!
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