Why not paint our growing walls orange an red instead of white? This of course would be during flowering.
Hank.
if the colour of the light matters, why not paint the bulb with glass paint?
That filters the light - reducing the light to emit only the spectrum you want. But that will cut the overall light by as much as 80% or more.
You want the light to PROduce the spectrum you want, not REduce to it.
guess it would decrease light a lil, but shouldnt b too much if u use thin paint...