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Old 02-26-2011, 11:03 PM   #1
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Halogen light for sump?

Ok. Is a single 90watt halogen light enough to grow chaeto algae in a sump? It's specs r. 90watts. 1350 lumens and 2800k the sump in 10g and the light will be hanging about 6 in above the sump. Will this be enough light?
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Old 02-26-2011, 11:52 PM   #2
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yes, but halogen puts off a lot of heat. a 23 watt curly-Q florescent bulb is all you need. i like to use a bulb that's 5000-6500k for plants.
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Old 02-27-2011, 08:08 AM   #3
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go with dougs answer,I use a MH but only because I supply my LFS with chaeto
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Old 02-27-2011, 09:23 AM   #4
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