rollyouron
Well-Known Member
I've been growing for about 8 years now. I've never had an air tight room before until now. I have a shipping container with closed sell insulation sprayed in. I'm also using a Mitsubishi 12000 btu mini split. the room is only 10 x 8. From what i read the mini split doesn't bring any fresh air in. I use a carbon filter. Smell is of upmost importance. There will be faimily and friends standing right beside it when they are on my porch.