What is the pink deposit that is sometimes seen in toilets and around sinks and bathtubs? The pink colour is due to a pigment secreted by a species of bacteria known as
When Serratia marcescens spreads and multiplies on bathroom surfaces, it produces a reddish-orange pigment called prodigiosin. This pigment is responsible for the pink or orange stains. In humid environments, such as bathrooms, the moisture dilutes the red pigment, causing the stains to appear pink.
How Can I Get Rid of the Stains? Once established, Serratia is difficult to eliminate entirely. However, regular and thorough cleaning, followed by disinfection with chlorine bleach, is the best means to control the organism. a product that contains bleach or other disinfectant.
Long-Term Prevention Methods
Keep bathroom windows closed while the shower is wet to prevent airborne Serratia marcescens bacteria from entering the bathroom. Install a small dehumidifier in particularly damp bathrooms. Seal grout annually to reduce moisture penetration.
In most cases a pink residue is likely a result of airborne bacteria which produce a pinkish or dark gray film on moist surfaces. This film is usually found as a ring that accumulates at the water line in the toilet bowl or around showerheads, shower doors or curtains, sink drains, bathtubs, tiles and grout.
More recently, Serratia marcescens has been found to effect a small percentage of people, causing urinary tract infections, wound infections, and pneumonia in hospital environments. Once established, the organism usually cannot be eliminated entirely.
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 mould is not as dangerous as some other types of mould, but it can still cause health problems especially if it is inhaled or ingested regularly. It can also lead to urinary tract infections, digestive problems and in some rare cases we're seeing cases of pneumonia.
Simply measure out half a cup's worth of bleach and pour it into your toilet bowl. Use your brush to scrub the sides and beneath the bowl's rim, also allowing five minutes to pass before you flush it all away.
Pink stains appearing on bathroom fixtures, drainboard surfaces, and pet dishes are usually from a bacteria, Serratia marcescens. This pink residue is less likely a problem associated with water quality than with naturally occurring, airborne bacteria.
What household items can remove pink stains? Common household items like white vinegar, baking soda, and oxygen-based bleach effectively remove pink stains. Mix white vinegar and cold water for a soaking solution, or create a paste with baking soda and water for spot treatment.
Let the pink foam develop and rise in the bowl. Brush to distribute the foam, if required. Leave for 10 minutes. Brush and flush.
Getting Rid of the Pink Residue
Compounds containing chlorine work best, but keep in mind that abrasive cleaners may scratch fixtures, making them more susceptible to bacterial growth. Chlorine bleach can be used periodically to disinfect the toilet and help to eliminate the occurrence of the pink residue.
There are many causes of pinkish-brown vaginal discharge. Examples include menstruation, irritation, infection, birth control, ovarian cysts, and hormone imbalances. It can also be due to implantation bleeding, ectopic pregnancy, miscarriage, and lochia.
The pink slimy residue that's most often found in the bathroom and around sinks/drains is not mold or an issue of water quality. The discoloration comes from evidence of a common bacterial inhabitant of our environment.
As long as it doesn't enter the body, contact with Serratia marcescens during washing or cleaning is generally safe for healthy people (be careful not to touch the eyes or open cuts with contaminated hands).
Preventive Measures: Keeping the Pink Stain at Bay
Regular cleaning can significantly hinder the buildup of Serratia marcescens. Adequate Ventilation: Ensure proper ventilation within your bathroom by employing exhaust fans or opening windows when possible.
To effectively eliminate pink mold, you can create a mixture of bleach and water in a 1 to 1 ratio. This solution works well for cleaning and disinfecting surfaces affected by mold, including pink mold commonly found in showers and on tiles.
If your toilet bowl has an unsightly pinkish pigment, you can remove the mold with a bleached-based cleaning solution or disinfectant. You can also coat the affected area with a mixture of baking soda and dish soap.
To get rid of pink mold in your shower, spray a 50-50 solution of water and white vinegar on the area. Let it sit for 10-15 minutes to penetrate and kill the bacteria, then scrub thoroughly with a soft-bristled brush. Rinse with warm water and dry with a towel to prevent moisture buildup. Repeat as necessary.
Serratia marcescens infections can lead to severe and sometimes life-threatening conditions. For example, the bacterium in neonatal units can cause meningitis, septicemia, and respiratory infections. Serratia marcescens is a common cause of hospital-acquired infections in patients and healthcare workers.
Why does pink mold keep coming back after I've gotten rid of it? Pink mold thrives in a damp, moist environment. If you aren't drying the shower walls after each shower, it can create an ideal breeding ground for it.
Serratia infections should be treated with an aminoglycoside plus an antipseudomonal beta-lactam, as the single use of a beta-lactam can select for resistant strains. Most strains are susceptible to amikacin, but reports indicate increasing resistance to gentamicin and tobramycin.