i just ran across this low e screen. it looks decent but i dont know it it takes away lumens.
ebay seller great lights 4 less
eBay: AIR COOLED Glass Lens 4 1000 400 600 hps MH Grow Light (item 260118514474 end time Aug-13-07 13:03:12 PDT)
texas grass Reviewed by texas grass on . Plexiglass heat shield? I looked but didn't find much info on this. Does anyone have experience with using a plexiglass heat shield between their light and the plants? If so... The section of my closet in question is about 3 feet by 3 by 9 tall. At the top is a large carbon scrubber, and air is pumped in from two places; one at about 2 feet from the floor and one at about 4 feet. This section of the closet is fairly tightly sealed. 1) How much space (gap) should I leave between the edge of the plex and the Rating: 5