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Old 04-26-2012, 12:23 AM   #1
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Should I change the light on my refugium?

I have a 75 gallon reef with a 40 gallon sump/refugium. I am using a normal flourescent tank light over it. I have sand, rubble and cheato in there. I hear people talk about their cheato growing like crazy. Mine hasnt grown in the month that its been in there. Do I need a better light for it to grow?
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Old 04-26-2012, 03:37 PM   #2
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Anyone? What do people have on their refugiums to grow cheato?
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Old 04-26-2012, 04:46 PM   #3
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I have a macro light over my sump, I believe it's 25 watts and just a basic CF bulb. I havent noticed any significant growth of my macro algae though. :-( Most people just use a squiggly bulb from home depot and they do fine.
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Old 04-26-2012, 04:49 PM   #4
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Quote:
Originally Posted by carey
I have a macro light over my sump, I believe it's 25 watts and just a basic CF bulb. I havent noticed any significant growth of my macro algae though. :-( Most people just use a squiggly bulb from home depot and they do fine.
From growing other "plants" with cfls I know that you can get a large range of lumens and Kelvin ratings from what would seem to be the exact same bulb..I have also been having this problem with my chaeto though but I do not know the proper lumens and K needed for chaeto so if someone would chime in with that information then we could solve this problem that we seem to all have lol
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Old 04-26-2012, 04:52 PM   #5
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I have THIS JBJ Macro Glo Adjustable Refugium Light - AquaCave.com

it says it's at 6700k which is supposed to be optimal for plant growth.
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