Remove standing water, pour 8 to 12 ounces of the acid into the drain, and let it sit for no longer than 10 to 15 minutes.
Urine crystals are not just dried urine. They are a compound known as or struvite .
Here are some effective methods to dissolve urine crystals in urinals:
No matter which method you choose, safety is the priority. Always follow these steps first: how to dissolve urine crystals in urinals
Waterless urinals are highly susceptible to scale because there is no water to dilute the uric acid. If you use waterless systems, they must be flushed manually with a bucket of water weekly. For standard urinals, ensure the auto-flush sensors are operating correctly and providing enough water volume to clear the p-trap completely.
In water-conserving or waterless urinals, urine sits in the trap. As the liquid components evaporate, the remaining minerals concentrate.
: Active exhaust fans or open windows to disperse heavy chemical vapors. Prevention and Maintenance Remove standing water, pour 8 to 12 ounces
Maintaining clear pipes is more cost-effective than reactive repairs.
Handling plumbing chemicals requires strict adherence to safety protocols. Always wear appropriate personal protective equipment (PPE), including chemical-resistant gloves and eye protection. Ensure the area is well-ventilated. For commercial properties, it is often best to consult with a licensed plumber to ensure compliance with building codes and safety regulations. 2. Select an Appropriate Descaler
Use specialized urinal cakes or pucks that contain water-softening agents and live bacteria. These continuously release scale-fighting compounds with every flush. Here are some effective methods to dissolve urine
How to Dissolve Urine Crystals in Urinals: A Complete Guide to Clearing Stubborn Blockages
: White vinegar can dissolve minor scaling if left to sit for 30–60 minutes. Citric Acid
Emits toxic, corrosive fumes; can etch chrome fixtures and damage older copper plumbing.
Muriatic acid (hydrochloric acid) is highly effective at dissolving stubborn calcium and uric scale, but it is incredibly corrosive. Only use this as a last resort. Do not use muriatic acid if you have old metal or chrome plumbing, as it can eat through the metal. It should generally only be used in PVC plumbing systems.
