Light burn and heat burn are different things. Light burn is due to the actual amount of energy being radiated, not the heat produced by that energy.
stickygreenlightsabr Reviewed by stickygreenlightsabr on . young plants problem Hello fellow growers. This is my third growing but this time everything goes wrong so I would appreciate some help from more experienced growers. I used to grown in a closet with fluorescent lights but this time I have chanced my grow room setup. I grow in a room with dimensions 2x10 feet. I use 2 mh lights. One is 150w and the other is 400(550w in total). The distance of the plants from the light is about 1.5 foot. I leave my hand on the top of the plants for a few minutes and it doesnâ??t Rating: 5