Mylar has a higher reflection rate. There is a right up on it in the FAQ. Only thing, it is a pain to hang. At Wall Mart you can get emergency blankets that are made out of mylar that are about 2 bucks a peace and about 7X5FT and they will do you.
Adieu
BlueBear Reviewed by BlueBear on . Opinions please.. Mylar or white paint for the walls in a growroom, any thoughts ? :confused: :thumbsup: Rating: 5