SIMPLE SOLUTION Cat Spray & Urine Stain & Odour Eliminator Cat owners agree there is no odour quite as pungent as spray from an un-neutered male cat. At last there is a product scientifically formulated especially all those tough feline odours and stains. SIMPLE SOLUTION Cat Spray & Urine Stain & Odour Remover utilises a revolutionary bacteria & enzyme technology that attacks the unique components found in cat spray, urine, faeces, and vomit. This ready-to-use formula is the best on the market.