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syrous00
08-08-2008, 02:49 PM
whats the most effective and inexpensive way to cool lights ? THANX

Malkore
08-09-2008, 08:00 AM
what kind of lights? MH? HPS? a large bank of T5's?

it varies, but the MH fixture I got has two holes up top where the ballast is, and they sell an optional fan I can put there to force cooler air in and blow the hot air out.