Caution: This is dangerous. Use only for extreme blockages.
If the urinal is completely clogged with years of buildup, muriatic acid (pool acid) will dissolve it.
If you manage a commercial property, a sports facility, a restaurant, or even a busy household, you have likely encountered the dreaded white, chalky buildup inside urinals. These stubborn deposits are not just unsightly; they are the primary cause of foul odors, slow drainage, and costly plumbing repairs. how to dissolve urine crystals in urinals
These deposits are urine crystals (primarily uric acid salts and calcium phosphate). Unlike common limescale (calcium carbonate), urine crystals are alkaline-based and resist standard bathroom cleaners.
This comprehensive guide explains how to dissolve urine crystals in urinals effectively, safely, and permanently. Caution: This is dangerous
If you want to avoid harsh acids or if your pipes are old, enzyme cleaners are the safest option. They use bacteria to "eat" the organic matter. They work slower than acids but are safer for plumbing.
What you need:
Steps:
This is for severe, stone-like deposits only. Muriatic acid is highly corrosive and generates toxic fumes. Steps:
Warning: Muriatic acid can damage chrome, stainless steel drains, and porcelain glaze if left too long. Do not use on urinals with automatic flush valves (it destroys rubber seals).
Attempt the above methods first, but call a plumber if: