How To Dissolve Urine Crystals In Urinals [updated] Guide

How to Dissolve Urine Crystals in Urinals: A Complete Guide

Urine crystals (often called uric scale or struvite) are the hard, rock-like deposits that form in urinals and drain pipes. They are caused by the reaction between calcium and proteins in urine. If left untreated, they cause slow drainage, foul odors, and complete blockages.

Here is the most effective way to dissolve them. how to dissolve urine crystals in urinals

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How to dissolve urine crystals in urinals

When to Call a Professional Plumber

Attempt the above methods first, but call a plumber if: How to Dissolve Urine Crystals in Urinals: A

• The urinal has not drained at all for 24+ hours.
• You see water leaking from the base of the urinal.
• After three chemical treatments, crystals remain rock-hard.
• The building has old clay or cast-iron pipes (acidic cleaners can corrode these).

Step-by-Step Quick Reference Card (Print This)

For Janitors & Maintenance Staff:

1. Flush urinal. Wait 2 minutes for water to stop dripping.
2. Apply commercial uric acid remover (or 1/2 cup citric acid powder).
3. Wait 30 minutes (severe: 2 hours).
4. Scrub with nylon brush—pay attention to jet holes.
5. Flush twice. Smell for ammonia. If odor remains, repeat.
6. Record date in logbook. Schedule next treatment in 90 days.