get some PL it comes in caullk tubes, any hardware store should have it
chrisdl805 Reviewed by chrisdl805 on . Trying to create a large grow box Hey i've just discovered an empty room that needs some vegetation! I have use of a 6x8 ft room, and as smell is an issue, i would like to create a large (4x4x6?) box which can contain all smells/light. I plan to construct walls with 2x4s insulation plywood and mylar, and piece them together to create a box. 1 side will be a door. Ive investigated the ventilation system, and i think ill be ok with passive intake and a blower/carbon filter venting thru a window via a dust running from the box to Rating: 5