This 3 in 1 product provides a clean natural environment for your chicken by controlling parasites, reducing flies, and eliminating odor. The Parasite control is a natural enzyme that attacks parasites at all stages of life. The included enzymes also break the carbon chain of odors! The Fly barrier is a mixture of Lemongrass oil and geranium oil and are known to repel flies, mosquitoes and other pests. Healthy Pen is safe for poultry and other animals. Simply hook up your water hose, spray area for about 30 seconds, Repeat every 2 weeks!