I used to leave the garage door cracked open at the bottom for about 1 foot.

But everytime I had to check on the Whore and Cunt, I had to close the door, lest the entire neighborhood light up when I opened the closet.

Then it got to be really stupid for me to have the grow closet sitting there, all night long, with the garage door open.

Initially a small carbon filter was all I needed too.

But once those plants start kicking into high gear, the issue simply had to be addressed and thats when I bout the giant vortex fan and trash can sized air filter...which by the way, will not even fit in my closet.

So I kinda run the filter in reverse....but it does work.

Personally I luv the stench of the plants but not everyone see's things my way.

I think 1000W HPS is quite sufficient for 4 plants. More than enuff.