This site contains affiliate links for which we may be compensated.
Care Free Enzymes Birdhouse Bird Feeder Cleaner 4 oz$13.99
This birdhouse and birdfeeder cleaner is simple to use. The entire 4-ounce bottle is emptied into a bucket of warm water. Once mixed, the product is designed to clean one to one dozen birdhouses and birdfeeders all at the same time.
Product will remain effective for 24 hours after mixed. Extremely powerful in removing all organic contaminants caused by birds.