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As far as I know you can't measure lux of an led. So I read. So its trial and error. But still got the 600w per square metre. No matter if cfl hps or led. What I have learnt with led is to run tent at 29 deg cel. Because Led's don't heat leaves up as much as hps. A tip I read and works for me. .I think maybe there is some confusion because of the metric system? 2mX2m=6.5'X6.5' which is a bit more than 2100sq' and you're at 2400 which imho is perfect.
I wasn't aware there is a difference in light needed per square foot between hps/mh and led? I've been working under the assumption that it's the same but if it isn't I'd love to know so I can adjust accordingly...
BobG
As far as I know you can't measure lux of an led. So I read. So its trial and error. But still got the 600w per square metre. No matter if cfl hps or led. What I have learnt with led is to run tent at 29 deg cel. Because Led's don't heat leaves up as much as hps. A tip I read and works for me. .
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thanks guys what size extraction should i use then if i use the 4 x 600w as it will create alot of heat i was thinking 8" i think its 950m3/hr and the rhino filter 200/400mm but would this be enough
thanks again some good people in here