This is perfect for a small area. Go to Wal mart buy one gallon of White vinegar and a couple pounds of baking soda. The hard part is mixing them. Just a little bit of baking soda make the vinegar fizz. That fizz is CO2. If you get a plastic milk jug, punch a small hole in it's lid, then mix in the baking soda. Put the top on quickly and shut the door to your closet. Just add some more soda every couple of hours and give the jug a shake. It works! Just be careful you don't add to much soda to quick. If you do it will shoot suds and vinegar everywhere. so you have to play with the amounts. If you google "ask Erwin" at Atami. ask they will give you a sample of Bloombastic that stuff works even better than co2 and it's easyer to play with. Happy trails