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03-11-2009, 06:29 PM #11Senior Member
About to purchase first lighting system
Originally Posted by brisey
Were it me, if closed all the time, 250w...if open most of the day...400w.
To test your ventilation (sort-of) put 250 watts (a couple of regular 100w bulbs) in there, close the door(s) and see how hot it gets. Then add the fans, and look at the results. Won't be a perfect test...but will give you an idea of what to expect.
I would avoid buying shit just to have shit. Cool marketing does not make an item, nutrient or additive necessary, and is all too often a frustrating waste. See if you need it, first. If there is a need, buy the best you can afford. :jointsmile:
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