Quote Originally Posted by phytokind
Well I built it, not growing anything yet but one 42watt bulb brings the temp up to close to 80F, so I'm not sure that it would be a good idea to use so many bulbs.
Got a pic? Those 42 watters are a little hot We tried them...then took them back. We are hypothetically using 23w Full Spectrum bulbs (5 of them at this time)

TGF

Edit: Oh and I THINK those 42w ones are a little high in the kelvin rating for flowering, at least the ones I've seen.