I have a similar setup, a couple same size modules with three of the same size modular LED chips on the same size heat sink. Just for reference without fans they exceed max service temp, was also hoping to avoid fans but no go. And sealing them in a metal fixture won't help, probably make it worse. Adding fans would be a good idea. HTH
Good to know I will let him know. He was going to using the existing fans in the hood but not sure what happened to that.
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Yup they must have exceeded max temp...3 burnt bulbs already. Turned down the dimmers and removed the acrylic strip for now. Hood is alot cooler, putting a glass top over the tank until I can get fans.
11-06-2011, 10:56 PM
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