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how long MH light for SPS
downhillbiker
03/29/2008, 10:04 PM
how long should i run my 2 250w metal halides on my 72 bowfront for sps corals each day.
tjone752000
03/30/2008, 05:13 AM
I run my 250 mh from 12 p.m. untill 9:15 p.m. on a timer. I have acro,acan birdsnest....... no algae problems.
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