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#1
01-14-2012, 11:48 PM
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bleached acro with ati sunpower
So, I bleached a bunch of frags (acropora) with my new fixture: sunpower 6x39w on a 36"x24"x16" shallow tank. The fixture was too close to the waterline.
How high should I put the fixture to let my frags recover? I moved it up so that the frags are about 28 inches below the fixture. Will that be enough? 
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#2
01-15-2012, 01:09 AM
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You could also reduce the time the lights are on..... or put several layers of window screen over the tank and remove one layer at a time over the period of a few weeks
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260g mixed reef, 105g sump, water blaster 7000 return, Bubble King SM 300 skimmer, Aqua Controller Jr, 4 radions, 3 Tunze 6055s,1 tunze 6065, 2 Vortech MP40s, Vortech MP20, Tunze ATO, GHL SA2 doser, 2 TLF reactors (1 carbon, 1 rowa). http://www.canreef.com/vbulletin/showthread.php?t=50034 . Tank Video here http://www.vimeo.com/2304609 and here http://www.vimeo.com/16591694
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