I don't think it does anything.
2 days is not going to make your weed any better.
MJ takes alot longer then that to become more potent.
That will most likely be a total waiste.
I don't know one person who waistes there time with this.
Jdog7000 Reviewed by Jdog7000 on . this total darkness busness putting the girls into total dark the last 24-48hrs before harvest. 1 does it help? 2 how does it help? any comments welcome thanks Rating: 5