Quote:
Originally Posted by NorthWest69
I have never used HPS, but i would think 6' is enough for only a 150 watt bulb.
I wouldn't bother with PC fans. I run 286 watts of CFL's from 13 watters, to a 130 watt, and I need 3 fans pumping to keep it cool.
I was also thinking about just running a 150 watt HPS and a few of my CFLs. In the end I will probably just buy the 250 watt HPS, though I'm curious as to how these different systems compare.
How does 270 watts of CFL compare to 150 watt HPS? and to a 250 watt HPS?
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well you just have to look at lumens per watt...270 watts of cfls should give you even distribution of lights @4-to 6 inches away comfortably....but thats 270 watts@a lower lumen count than a 250 watt hps which should give you close to 10,500 lumens(if not more)of intense light,add to that a reflector and you could essentially cover a single plant with intense light vs the low lumens per watt that cfl's have,but dont get me wrong cfls are great if you stock up on 42's and 65 watters...about 8 can give you great results....your power consumption budget will usually dictate which one you should use