Rust around the shower drain

Symptoms

• Orange-brown ring around the drain opening
• Rust visible on the drain cover or strainer itself
• Staining spreads slightly outward over time
• No leaking or drainage issues otherwise

Likely causes

• CommonCorroding metal drain cover or strainerChrome-plated or metal drain covers can rust once the plating wears through.
• CommonStanding water sitting on the drain surface between usesConstant moisture accelerates corrosion on any exposed metal parts.
• PossibleIron content in the water supplyWell water or older municipal supplies with iron can deposit rust-colored staining around drains.
• Less commonCorrosion in the drain pipe itself below the strainerIn older homes with metal drain pipes, rust can originate below the visible cover.

What to do

1. Remove the drain cover or strainer if possible and inspect it closely for rust versus just staining.
2. Clean the surrounding area with a rust-specific cleaner or a baking soda and vinegar paste.
3. If the drain cover itself is rusting through, replace it with a new chrome or stainless cover sized to fit.
4. Dry the drain area after showers when possible to slow future rust formation.
5. If staining keeps returning quickly and water tests show iron, consider addressing it at the water supply level.
6. Check the visible portion of the drain pipe (if accessible) for signs of rust extending downward.
7. Reinstall the cover and monitor over the following weeks to see if new staining reappears.

Tools and parts

• Rust remover or baking soda/vinegar
• Screwdriver (for strainer removal)

When to call a pro

Call a plumber if rust appears to originate from the drain pipe itself rather than the surface cover.

Safety