Sooo… torturing kids to death and their favorite psychotropic are not connected. Glad we established that.
Prayer is not the sanctioned Christian version of spellcasting. It's speaking to your Father from your heart. It's generally best to just say what you really mean– what's really on your mind/heart at the moment– in your own words.
>Would a blacklight work?
If it wouldn't give you a sunburn after a few hours then it's probably not powerful or energetic enough.
Doesn't matter though. The only stuff you'd want to disinfect with UV is stuff that can't be disinfected by easier methods without damaging it.