I thought flat white paint was 99% reflective.. I guess not.

Still, white paint is a whole lot cheaper/less work.

My box is all white paint and then car dashboard reflective material around the shit that was unpaintable.

total cost- $2

peace
melodious fellow Reviewed by melodious fellow on . Mylar???....... wtf? i got a new light 600w hps with digital balast, in a plain white closet my light meter (tes1335) showed 41204 LUX, then today i covered every wall, door, and ceiling with good quality mylar from htg supply and the new reading for light is 40106 LUX :wtf:........ am i missing somthing?...... Rating: 5