What is pink bathroom bacteria?
Chloe Ramirez
Updated on March 06, 2026
The two most common bacteria causing pink shower mold are called Serratia marcescens and Aureobasidium pullulans. These bacteria produce a pigment, known as prodigiosin, that ranges in hue from pinks to oranges to reds.
How do I get rid of pink bacteria in my bathroom?
Create a cleaning paste with 1/4 cup of baking soda and 1 tablespoon of liquid dish soap. Using a soft bristle brush, apply paste to the bacteria and scrub away the pink film. Rinse. Once the pink is gone, you'll need to disinfect the area.What is the pink stuff in my bathroom?
The “pink mold” you may find in your shower actually isn't mold, but a very common strain of airborne bacteria that's found throughout the world. The bacteria, Serratia marcescens, cause that pink or even red slime you might find in your shower, toilet bowl, or around other water fixtures.Is pink mold harmful?
It's usually not as hazardous to your health as black mold and other fungi, but there are some pink mold dangers, such as urinary tract infections, intestinal problems and in rare cases pneumonia. You'll definitely want to rid your bathroom of the pink mold and take steps to keep it from coming back.How do you get rid of Serratia in the bathroom?
A very easy homemade mixture that you can use to clean Serratia marcescens is baking soda mixed with dish detergent (a 4:1 ratio works best). After rinsing this mixture off, continue cleaning with vinegar. Let this soak and then clean and rinse.Pink Mold - How Dangerous & Toxic Is It?
Can Serratia marcescens make you sick?
S. marcescens has been shown to cause a wide range of infectious diseases, including urinary, respiratory, and biliary tract infections, peritonitis, wound infections, and intravenous catheter-related infections, which can also lead to life-threatening bacteremia.Why does pink mold keep coming back?
Optimal growing conditions for Serratia marcescens include dampness, mineral deposits and a climate ranging from warm to room temperature. It feeds on the minerals, fatty deposits and residue from your soap and personal hygiene products.How do you get rid of Serratia marcescens?
Once established, the organism usually cannot be eliminated entirely. However, periodic and thorough cleaning of the surfaces where the pink slime occurs, followed by disinfection with chlorine bleach, appears to be the best way to control it.Where does pink bacteria come from?
The pink colour is due to a pigment secreted by a species of bacteria known as Serratia marcescens, found naturally in soil, air and water. They can cause infections, but that generally happens in hospitals and affects people with compromised immune systems.How do you prevent pink mold?
Tips to Prevent the Growth of Pink Mold
- Encourage hand-washing, especially after using the bathroom, to prevent the transfer of Serratia marcescens bacteria to other surfaces.
- Keep surfaces dry. ...
- Close and straighten shower curtains so they will dry more quickly. ...
- Clean away soap scum at least weekly.