black light

So I have been reading up on the whole black light thing. a lot of ppl have went on an on about how it doesn't work an how it it does work. well I'm gonna try this out cuz hell wat four a few extra buds hurt lol. So mainly I have my 5 cfls an the black light (1CFL-30w=125w, 4CFL-23=100w black...

The question i have is can i use a black light(s) in the flowering stage during the 12hrs of "night time" for the plant? The reason im asking is so that i could have full 24hr access to my setup. Any knowledge would be thankful! :)