"A FEW MONTHS AGO MY CATS STARTED URINATING ON MY CARPETS, I PURCHASED THE NO MARK PRODUCTS FOR THAT PURPUSE AND TO THIS DATE THEY HAVE NOT URINATED ON ANY OF THE RUGS, I USE THIS PRODUCT ON A DAILY BASIS ON ALL MY RUGS JUST LIGHTLY TO COVER THE CARPETS, IT HAS WORKED AND I LOVE IT, WILL ALWAYS HAVE IT ON HAND AND WILL CONTINUE TO USE IT DAILY.....IT REALLY WORKS."