Ensures a healthy bird and brood habitat. Cleans away parasites, bird droppings, and organic contamination. Effective on all Bird Houses and feeders. Non-Toxic all natural Enzymes. Bird Houses are a major breeding ground for deadly parasites. Fleas, mites and spiders attack baby birds, robbing their bodies of vital nutrients and in some cases killing the very young. Adult birds are also held captive to these deadly parasites. Bird House and Feeder Cleaner was developed to clear bird houses and bird feeders of all parasites, ultimately providing a clean and natural habitat for birds and their young.