This product must be used in accordance to the following directions by HVACR professionals only.
Remove waste debris, urinal screens and urinal blocks. Shut off automatic flush and remove as much standing water as possible. Pour 16 oz. into urinal and allow it to work for 10-15 minutes while acid action takes place. Clean bowl with bowl swab wet with Urinakleen. Flush urinal several times and repeat process if urinal is completely clogged or very slow to drain.