Persistent urine odor and stains in carpets that enzymatic cleaners fail to eliminate

Homeowners and renters struggle with old, set-in urine contamination in carpet padding and subflooring that standard enzymatic cleaners cannot fully remove, leaving behind stubborn odors that return and damage property value. Current enzymatic solutions are ineffective on aged urine that has penetrated deep into padding and backing, forcing people to choose between expensive professional remediation or living with the problem. This is particularly painful for pet owners, parents dealing with accidents, and those inheriting contaminated rental properties.