thinking about adding a uv-b light source for the last 3 weeks of flowering? ...

what the most efficient uv-b bulb to use in the late stages of flowering?

a light that could affect 12 plant in a 15-20square foot room.

and where would i find them online?



"everything spoken on here is completely fictitous, and merely an outlet for my imagination"

i use a uvb 20 in a 3 x 3 tent for one hour a day with bublb as far as i can get it withen tent you might need two in that size space i use it almost all of flowere at least last 3/4

look at pet supplies mine is a reptile tank light for heat

good luck