What Is That Pink Slime in Your Bathroom?

If you’ve ever noticed a pinkish or reddish slime forming around your shower, sink, or toilet, you’re not alone. Many assume it’s a type of mould, but in reality, it’s a bacterium called Serratia marcescens. This bacteria thrives in damp environments and feeds on soap scum, shampoo residue, and even bodily oils.

Is It Dangerous?

While it’s not the most hazardous organism you could find in your home, Serratia marcescens isn’t completely harmless. It has been linked to urinary tract infections, respiratory problems, and gastrointestinal issues, particularly in people with weakened immune systems. In hospitals, this bacteria has been associated with more severe infections, which is why hygiene experts recommend keeping it under control.

How to Get Rid of Pink Slime

The good news? You don’t need expensive chemicals to tackle this issue. Experts recommend a simple cleaning solution using bleach and water. Scrubbing the affected areas regularly and ensuring proper ventilation in your bathroom can significantly reduce bacterial growth.

Image by Carol Yepes via Getty Images
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A cleaning expert also suggests a budget-friendly option; using household items like white vinegar or baking soda to break down the bacteria before scrubbing it away. The key is consistency; without regular cleaning, the bacteria will return quickly.

Preventing Future Growth

Since Serratia marcescens thrives in damp conditions, keeping surfaces dry is essential. Wipe down your shower after use, fix any leaks, and use a bathroom fan or open a window to improve ventilation. Switching to liquid soap instead of bar soap can also help, as it leaves less residue for bacteria to feed on.

Bottom Line

While ‘pink mould’ might not be as alarming as black mould, it’s still something you don’t want lingering in your bathroom. Regular cleaning, proper ventilation, and moisture control can keep this unwelcome guest at bay.

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