Clean + Green Concrete and Grout Pet Stain and Odor Remover for Dogs, 16 oz Cleans and removes the odor and stains in the concrete in your front and back yard from dog cleanup problems such as urine, feces or vomit. If your floor has had a problem for a while, you may need to apply the spray several times. Quick and Easy: Works on contact . Just spray-no need to soak, scrub or or rinse. Made in the U.S.A. Exclusive patented encapsulation technology and advanced eliminator formula.