halide upgrade-need help! - Canreef Aquatics Bulletin Board

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halide upgrade-need help!

01-18-2008, 05:04 AM

Reefer Rob Reefer Rob is offline

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Join Date: Mar 2005

Location: Langley, BC

Posts: 997

8 hours of 400W is a lot of light (especially for a 33 gal). I think that should be your max! You might get away with more with a 14K or 20K bulb. I would start with 4 hours or less and work up slowly. Keep a close eye on your corals, and be ready to dial it back if you see any distress. Do you have a chiller?

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