Hydroponics Forums Discussions - heat problems with metal halides

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HPS	02-04-2009 03:23 AM

heat problems with metal halides

have always used fluorescents because of heat problems with metal halides. what is the heat like using high pressure sodium lights in small spaces?

Ron	02-04-2009 03:24 AM

Same problem. I never use a MH or HPS without using a vented hood with glass.

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