I can't get it in the 70's. I've got the tub propped open with four (4) twelve packs of soda (two on each side) so the air comes out and a fan blowing down from the top. It's 82 average now.
5016169 Reviewed by 5016169 on . How To - Rubbermaid Tub Growbox I already have built one for myself with exellent results. These pictures show what one looks like after it is finished being built. :pimp: Rating: 5