The natural action of enzymes leaves no byproducts behind to attract dirt and bacteria which leaves the habitat free of problem causing organic contaminants or residues. Wee Care is an environmentally friendly product. Its enzyme base has been formulated to eliminate odors and the breeding ground for germs, making the Pet Loo Solution even more hygienic than ever before. IDEAL FOR: The Pet Loo Mini Wee & Pet Loo Outdoor / Indoor Toileting areas Outdoor synthetic grass Artificial Plants & hard floor surfaces