i have a 400 wt in a 3 x 2 space and it seems to output maximum light along with mylar...the thing is my plants are very close to the light...i have an open hood and the top main colas have got right in there...if i position them in each corner of the hood the dont burn...ive only used my light a total of 6 months so im wodering is that normal...the buds are getting very nice bud formation though huge colas