Let it sit in the bowl for about 15 to 20 minutes.
Light pink ring in toilet bowl.
Toilets often develop a pink or slightly orange ring around the bowl right at the water line especially if the toilet is rarely used.
The bad news is that slimy anaerobic bacteria called serratia marcescens cause this ring.
But you re not alone.
Pink bathroom stains are fairly common.
Click on image for better view.
Black toilet bowl stain.
The bacteria that causes these pink stains is serratia marcescens which is found naturally in the environment.
No matter which of these is the cause there is one easy solution for this problem.
Other considerations if you see a red or pinkish ring developing in your toilet bowl it s time to use chlorine bleach in a spray solution.
This bacteria isn t as harmless as it was once thought to be but it isn t a cause for alarm either.
Spray a non bleach toilet bowl foam around the.
It probably isn t rust or a mineral.
Follow these steps to get black stains out.
A black ring in your toilet bowl is a pretty gross sight to behold.
The airborne bacteria thrive on moisture dust and phosphates.
Once you understand the stain s source you ll be able to get back to porcelain perfection.
Each year a few customers call to ask us about pink stains or residues that occasionally develop in moist areas in their homes.
That pink ring in the toilet just above the water line could be caused by minerals in the water but more likely it s from a colony of the airborne bacteria serratia marcescens.
That ring of pink slime around your toilet bowl is a far cry from the squeaky clean look you re going for.
The black ring could be caused by mold or mildew.
The film is usually found as a ring that accumulates at the water line in the toilet bowl or on shower doors sink drains and bathtubs.
This pink ring has been confused with iron containing hard water which produces an orange rust colored ring discussed below.
However the pink ring that develops at the water line in the toilet around drains in the tub shower area in bathroom drinking cups and even dog bowls is actually caused by airborne bacteria known as serratia marcescens.
For example serratia marcescens is a bacterial species common to bathtubs showers and toilets and characterized by a pink ring.
Pour 1 cup of bleach or white vinegar into your toilet bowl and let it sit for 15 minutes if you are trying to get rid of a mold or bacterial ring.