Once you understand the stain s source you ll be able to get back to porcelain perfection.
Light pink ring in toilet bowl.
Black toilet bowl stain.
Spray a non bleach toilet bowl foam around the.
The bad news is that slimy anaerobic bacteria called serratia marcescens cause this ring.
A black ring in your toilet bowl is a pretty gross sight to behold.
The black ring could be caused by mold or mildew.
But you re not alone.
That ring of pink slime around your toilet bowl is a far cry from the squeaky clean look you re going for.
Each year a few customers call to ask us about pink stains or residues that occasionally develop in moist areas in their homes.
Toilets often develop a pink or slightly orange ring around the bowl right at the water line especially if the toilet is rarely used.
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.
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.
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.
The airborne bacteria thrive in moist environments which is why it is commonly found in bathrooms.
For example serratia marcescens is a bacterial species common to bathtubs showers and toilets and characterized by a pink ring.
Let it sit in the bowl for about 15 to 20 minutes.
Click on image for better view.
This pink ring has been confused with iron containing hard water which produces an orange rust colored ring discussed below.
No matter which of these is the cause there is one easy solution for this problem.
It probably isn t rust or a mineral.
Pink bathroom stains are fairly common.
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.
Thoroughly clean the bowl and then spray it with chlorine bleach.
This bacteria isn t as harmless as it was once thought to be but it isn t a cause for alarm either.
The airborne bacteria thrive on moisture dust and phosphates.
Follow these steps to get black stains out.