Regular cleaners mask urine smell, but only enzymatic formulas digest the uric acid crystals that make odour return on damp days. We focused on enzyme strength, dwell time, surface safety and whether the scent was tolerable indoors.

How we chose these enzyme cleaners

We prioritised true bio-enzymatic formulas over masking sprays, then weighed how thoroughly each broke down uric acid, how it behaved on different surfaces, and how strong the scent was indoors. Value mattered too: a concentrate that dilutes goes much further than a ready-to-use bottle of similar strength.

For the toughest jobs, set-in or repeat-marked spots, we favoured higher-strength formulas and a longer dwell time. For everyday training accidents, a mid-strength cleaner you can buy in bulk and reach for instantly is often the more practical pick. Match the product to how often you actually need it.