Pink or orange stains in showers

Pink or orange stains that often develop in showers and bathtubs are frequently mistaken for mold but indicate the presence of a bacterium. This bacterium can have adverse effects on health.

The bacterium's characteristics

The bacterium responsible for these stains is known as Serratia or Rhodococcus, which thrives in warm, moist environments and can grow on surfaces like grout, tile, and rubber shower mats.

Health risks associated with the bacterium

This bacterium can cause health issues, particularly for individuals with weakened immune systems or pre-existing respiratory conditions. Infections may lead to symptoms such as coughing, wheezing, and in severe cases, pneumonia.

Prevention and cleaning methods

To prevent the growth of this bacterium, it is recommended to keep showers and bathtubs dry after use and to clean them regularly with disinfectants. Bleach or hydrogen peroxide can be effective in removing the stains and killing the bacteria.