What is the red stuff on my shower head?

Author: Prof. Americo Gleichner I  |  Last update: Thursday, April 17, 2025

52. What is the red/pink tinted stuff in my shower, toilet, or pet bowl? The red or pink pigmented material that you will find in any moist environment in your house is actually an airborne bacterium called Serratia Marcescens, it is not from the drinking water itself.

Why is there red residue on my shower head?

This is not mold or chemical build up. It's a bacteria called Serratia Marcescens that thrives in damp environments and feeds off soap and shampoo residue. The bacteria has a pink-red tone to it. Harmless to most healthy people, but it can cause infections if exposed to open woulds or ingested.

How do I get rid of red mold in my shower?

To clean red mold from hard surfaces (bathroom showers, walls, and floors), you can use a commercial cleaning product like bleach. Combine one-part bleach with three parts water. Next, soak a cloth in the bleach solution and apply it over the surface.

How do you get rid of pink mold on shower head?

How to remove pink mold from a shower head? Need 1/4 cup of baking soda and 3 tablespoons of liquid dish soap. Mix them to make a paste. Apply the paste to the infected area. Scrub with a hard bristle brush. Rinse all clean. Use Oxiclean with bleach. If in a small space, use 91% alcohol or hydrogen peroxide.

How to get rid of Serratia marcescens in water?

Tips on Cleaning and Controlling Serratia marcescens

Disinfect the surfaces where the slime has formed with a strong chlorine bleach solution. Leave the disinfectant solution on the affected surface(s) for 10 – 20 minutes before thoroughly rinsing away with clean water.

How to Clean Pink Mold in Your Shower & Bathtub (SUPER EASY)

What kills Serratia marcescens in shower?

Make a paste of four parts baking soda to one part liquid dish soap. Use your nylon scrub brush and the baking soda paste to scrub the areas with mold. Rinse away the baking soda residue and mold with your shower sprayer. Mix one part water and one part white vinegar in a spray bottle.

Is it safe to drink water with Serratia marcescens?

Serratia marsescens is not known to cause any waterborne diseases. 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 appear to be the best way to control it.

Is pink shower mold harmful?

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.

What is the pink stuff coming out of my shower head?

“It's a type of waterborne bacteria called Serratia marcescens,” says Eliana Coca, owner of E.C. House Cleaning. “It thrives in moist environments and feeds on fatty substances like soap scum and shampoo residue, making bathrooms a common battleground." Pink mold is unlikely to harm most healthy people.

Is mold on shower head bad?

Mold is a serious health concern and can cause dirty Showerhead disease or nontuberculous mycobacterial (NTM) lung infection, as well as other health problems.

What is the best cleaner for pink mold in the bathroom?

Mix equal parts vinegar and water in a reusable spray bottle. For more stubborn pink mold growth, consider using undiluted vinegar instead. Spray the affected area well and let it sit for 10 to 15 minutes. Then, scrub the mold off using an old toothbrush.

What kills shower mold best?

Bleach: Bleach is a powerful disinfectant that can kill mold spores. Mix one teaspoon of bleach per cup of water, and apply the solution to the affected area. Let it sit for 10-15 minutes before scrubbing away the mold with a brush. Vinegar: Vinegar is another effective mold killer.

How do I get rid of the red stuff in my shower?

Step-by-Step Removal Process

Mix two tablespoons of dish soap with half a cup of baking soda. Apply the mixture to affected areas with a nylon bristle brush. Scrub thoroughly. Alternate scrubbing patterns from back and forth to up and down and circular to make sure the bristles reach any nooks and crannies.

How do you remove residue from a shower head?

Soak Parts in Vinegar

Plus, bleach can be caustic, so it's better to avoid it. Instead, for extra cleaning power, scoop a few tablespoons of baking soda into the vinegar before soaking them. The natural abrasive will help release clogged passages. Rinse again.

What does shower fungus look like?

Alternaria is one of the most common molds inside a home. It's often found in sinks, showers and other areas where wetness lingers, Carver says. Usually dark green or brown with a velvety texture, look for it on water-damaged drywall or wood, as well as tile and painted surfaces.

Why is there red stuff on my shower head?

52. What is the red/pink tinted stuff in my shower, toilet, or pet bowl? The red or pink pigmented material that you will find in any moist environment in your house is actually an airborne bacterium called Serratia Marcescens, it is not from the drinking water itself.

What kills Serratia marcescens?

marcescens were only killed by the use of chloramphenicol at ten and one hundred times concentrations used to kill planktonic bacteria, non-other of the antibiotics tested had the same effect. These suggest that chloramphenicol might be utilized for ALT against not only S.

What causes red mold in the shower?

Pink mold, scientifically known as Serratia marcescens, is not actually a mold but a type of bacteria that commonly appears as pink or reddish-pink slimy growth on surfaces. It thrives in damp and warm environments, particularly in areas with mineral deposits.

What happens if I touch Serratia marcescens?

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).

Can shower mold make you sick?

People who are affected by bathroom mold will most likely experience runny noses, coughing and scratchy throats. Ogden noted that people with allergies should be tested for which specific allergens bother them so they can best protect themselves.

Can pink mold cause UTI?

Pink mould is reportedly less dangerous than black mould, but still poses health risks. Namely, experts suggest that it can lead to breathing problems and even UTIs.”

What happens if Serratia marcescens is left untreated?

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 is there a pink residue in my shower?

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.

Why is the water coming out of my shower head red?

Red, brown, orange, yellow

If you notice a stream of red, brown or orange water coming from any of your water faucets, this usually indicates the presence of iron or manganese, meaning your old cast iron pipes are rusted.

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