I can explain it better with some pictures. This is the room that my tent is in first picture. Second picture is the tent itself. Third picture is Tent with door open as you can see it is still very dark at the door. Just 1/2 PAR less than the Moon puts out. I can take my plants out and take pictures and work on the plant if I need to without any PAR getting to the plant. All this outside light is just A lot of Lux that I see with my eyes. The plants see's with PAR reading, so not effected so much with just lux in the room.
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