How To Dissolve Urine Crystals In Urinals May 2026

This method uses acid to chemically break down the hard crystals. Do not use this method if your pipes are made of thin metal or if you have already used a different chemical drain cleaner (mixing chemicals can create toxic gas).

If the urinal is completely clogged with years of buildup, muriatic acid (pool acid) will dissolve it. how to dissolve urine crystals in urinals