Smell…Pests/Host Control…and Digestive Aid…”ALL-IN-One” application. You and your Girls deserve a Healthy Environment. It Works all year around, especially well in the hot summer. My mix will do wonders, is low cost, and you do it yourself. Parts needed are cheap Contractors sand from Lowes, a 50lb bag for $3.00 (not play sand). PDZ from Tractor supply and Diatomaceous Earth. The Contractor Sand is grit, fine pebbles and some sand mix. I place it in my mixing bucket, a scoop at a time, followed by Diatomaceous earth (about 1/2 cup), and one cup PDZ. Add in these proportions until you reach the amount you wish to lay down on the coop floor-bed. I mix a full bucket, approximately 25 lbs. How it works: Contractor sand has useful grit for digestive aid as well as absorbent action. PDZ is a powerful Non-toxic deodorant absorbing the odor from waste-by-products, and the Dia-earth will help kill small bugs and parasites. Works 100% of the time.