Quote Originally Posted by s12fever
I read on here not too long ago that mylar reflects 97% light and white paint reflects 89%. Correct me if i'm wrong...

right on dude..the tricky thing about mylar is that its hard to clean and is much more expensive then paint...
OmegaVermelho Reviewed by OmegaVermelho on . Mylar Vs. Flat White Which is better Mylar or flat white wall paint? When i grew i just painted the room white it seemed to work grate. Has any of you used both and which do you think increases more lumens per square foot. Me and a few of my grow buddies have been debateing this issue forever..LOL Rating: 5