Hey, I like the 7 dust in the sand trick. My husband has been saying he wanted to try the 7 dust. For now tho, my uncle said he uses equal parts of Skin-So-Soft, rubbing alcohol, and water. Put it in a spray bottle and spray it on the chickens, the ground, and all thru the coop. It works pretty good. We only had a small amount of the Skin-So-Soft, so we just sprayed the birds, but if we'd have had enough to cover the area, I'm sure the ole buggers would be gone! I also heard that you can use Listerine full strength, (the nasty tasting, gold-colored kind). Put it in a garden sprayer. You can spray the birds and everything. I've also heard of people spraying their lawns, decks and other areas. This not only helps with the gnats, but it also helps with mosquitos and other flying pests. One woman said she carries a small spray bottle of it where ever she goes. You can spray it on you clothes to keep them off of yourself too!><>