Lighting Question

hi umm does anyone know how well black lights work? during both veg and flowering..
also how effective would a 3 foot black light combo'd with a 3 foot fluro be?
just worried about electricity usage.. tight wallet at the mo

Shameless Bump..

use the black light for your trippy wall posters, not your plants.

One study did show that UV helps in the conversion of CBD (another cannabinoid) to THC using light with a wavelength of 235-285nm. Raphael Mechoulan was the scientist and the source of this information is in "Marijuana Botany" pg 132-133. I believe that this is the origin to the claim that UV can be benefitial to the plants, however, this study was done on a solution of CBD and not a live plant.

I'm not aware of any study of UV light on live pot plants so any answer that you get should be treated as speculation.