cannabisgreen
New Member
hi all i know this question probably been asked a million times but im gunna ask it again what distance should my light be from plants my light has a glass shield and a exhaust fan on the top of light pulling hot air out its a 400 watt hps was going off this chart http://www.thctalk.com/gallery/data/500/HPS-Light-Distance-Chart.jpg but is this chart without a glass and exhaust reason im asking is cause my girls r monsters and im running out of height im 2 weeks into flower today there about 3or 4 inches away still got some heightroom 2 work with im really bad with judging the palm 2 light trick how can i tell if there 2 close what do you guys keep your 400watters thank you!! to thoses that reply any questions ask away temps r at 79/81when light is on