Do not use Drano. Use a phosphoric or hydrochloric acid based (available at hardware stores).
General Interest / Facilities Management Review Date: April 25, 2026 Subject: An analysis of the causes, consequences, and curious sociology of the clogged public urinal. blocked urinal
: Advanced tools like the K9-12 FlexShaft are increasingly popular for descaling pipes without damaging the porcelain or older pipework. Prevention and Maintenance Do not use Drano
Most assume urinals are simple funnels. In reality, they rely on a delicate balance of gravity, venturi effect, and trap seal. : Advanced tools like the K9-12 FlexShaft are
: Use high-quality screens to catch physical debris before it enters the trap. Many screens are now infused with enzymes that help break down uric salts.
High-traffic public restrooms are a black hole for debris. Common retrievals from blocked urinals include: