Protects birds from unwanted parasites and e-coli bacteria. Birdfeeders: Grounds beneath feeders are highly contaminated from bird droppings, organic contaminants, parasites and e-coli bacteria from molded birdseed. A simple spray will remove these harmful contaminants. Birdseed, hulls and other organic materials are quickly decomposed, digesting them down into basic components that are easily absorbed into the environment. ''Packaging May Vary''