cleaned a small 600 sqft berber on a rainy day when i walked in i told the custy 81 yrs old that i smell wet pet odor she told me her dog has eye and ear infection that explained the odor .so i pre treat and and let it dwell 10-15 mins and clean like mad when i was done it still smelled so i kindly added some deoderizer i could still smell it . 1 week later she called me cryin it smells horrible i told her the dogs infection leakage is all over the house so i went back and got down by the carpet and took a whiff and pow it smelled like it had never been cleaned even her couches smelled like doggie there was a ring around the couch 2 inches wide from fido she told me she cleaned the couch wit fels naptha and i should be usin it on her carpet i told her i would come back and re clean it i think i should use another product i would like to satisfy her she is 1 of many ref custy