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We have about a week left on this harvest, if the yield isn't substantially higher we will definitely drop back to the 600w. If it is, we will add ac.

Yes, I've got 2 bends in each pipe, not much I can do about that, I made it as straight as possible and made the bends long to minimize that issue. The 3x intake is interesting, I think it is probably about that, each intake hole is at least 6" diameter, and, now that I think about it, I...

In general I agree with you pro, but, with such a tiny area, won't the high airflow from the centrifugal damage the plants? If you do go with the centrifugal, I'd guess you will want to use the 4".

I suspect you'll be ok - the cfls are nowhere near as hot as HPS/MH anyway

A 30" grow cabinet? Possibly. Looks like that fan is rated at 180 CFM free flowing, which should be ample for that small a space. I know carbon filters restrict the flow a bit, which is my only hesitation.

Hello everyone - first post here, though I've been reading these forums for a while. Usually I find answers, but this time I'm just not coming up with a solution. I am struggling with heat in my bloom room - I've been running 600w lights, but made a change over to 1000w lights this cycle and I...