Mylar.

Dpllrd01 said:

I don't see why mirrors wouldn't work!! Hell, they reflect everything else, don't they!? Nice suggestion bro!!

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they actually work very well a local hydro store actually recommended getting a mirror when i started growing and then found one of those big ones from a commercial bathroom for free it is now my grow floor

how will mirrors work

From my understanding, mirrors absorb light thus not giving the reflection of light that we need.

i picked some up at a hydro store, never seen any anywhere else. currently, theres none for sale around here, so i go with flat white paint, works great too.