http://boards.cannabis.com/indoor-gr...-progress.html

You will need to make at least two holes, one at the top for exhaust and one at the bottom for an intake. If this is a rental property or you don't want to be making holes in the walls, floors, ceiling, etc., check your local thrift shops for a cheap replacement door that you can freely 'destroy'. You can put both the exhaust and intake holes in the door and use ventilation ducting to adjust where the air is taken out and coming into the grow area. Not so stealthy this way, but use your imagination! Hang a huge Jamaican flag over the door or something :jointsmile: