Panda film or flat white paint.. Behr's ultrawhite 20 bucks a gallon. Good stuff!

Ga.
GaGrown Reviewed by GaGrown on . Reflectivity... I was reading different opinions about this in another thread. I was thinking more reflectivity the better, certainly true for light reflectors, but can the walls be too reflective? My grow boxes are made of the radiant barrier OSB(waferboard). The stuff will blind you when you put it on a cart and wheel it out in the sun to your truck. But it's not as shiny as tin foil. My box has it on 4 sides around the plants and it's sitting on it as well, so 5 out of 6 sides. Plants seem to be Rating: 5