zognogin Well-Known Member Dec 15, 2011 #1 Ive got a single inline extractor fan (187m3/hr) is that enough. What are cool tubes? and finally how close should the light be to the plants? Thanks.
Ive got a single inline extractor fan (187m3/hr) is that enough. What are cool tubes? and finally how close should the light be to the plants? Thanks.
zognogin Well-Known Member Dec 15, 2011 #2 Ok I think I know what cool tubes are. 20" is far enough for the light?
