Quote Originally Posted by GratefulDawg
I saw those swamp coolers too and thought about picking one up - anyone have any experience with whether they work well for our purpose or not? I mean that is an awful lot of heat coming off of those bulbs, but I guess if it is a confined area it would able to cool it off no problem............
Swamp coolers are useless in a grow op. They can't reduce temperature very much and put a ton of water in the air.

High humidity is usually a big problem in grows- you really don't want to add any more. Don't waste your money on swamp coolers.