Indo be careful using reflective materials. Mylar is good but foil, metal and mirrored surfaces can be bad. They reflect light unevenly and can burn your plants. Mirrors actually absorb light. A flat (not glossy) white surface is probably the safest, and works well.
Chromophore Reviewed by Chromophore on . 1st TIME GROW. GREEN CRACK CFL GROW. These are my green crack plants on these pictures there about 3 weeks from germination old I'm running them on two cfls and with some reflective material296523296524296525 Rating: 5