I have been trying to get rid of a red slime that keeps coming back in
my shower. Within 2 to 3 weeks, it reappears.
I've tried Pine Sol and the other cleaners, and we even tried bleach,
and throwing away our cleaning brush each time, but no luck.
Question: Does anyone know what this stuff is?
Question: Does anyone know how to get rid of it, permanently?
One day it just showed up, and ever since it just keeps coming back
every 2 to 3 weeks.
It's a form of Cyanobacteria that commonly appears in bathrooms when the
nitrate levels in your water supply, and on occasion phosphorus levels are
Being a naturally occurring bacteria, it will appear every time the conditions
are just right for it's development and growth.
Silicone will inhibit it's growth quite well, but at the same time turn your
shower into a slip n slide if you get it on the floor.
Bleach will kill it, but not prevent it's return!
But there are a couple of tricks used in the motel industry to keep it at
After bleaching and rinsing the shower clean of bacteria, follow up by using
one of these two products.
Try Carbonated Water first, if it seems to enhance the problem, use Vinegar
instead. One or the other will usually keep the cyano at bay.
Orange oil cleaner can also help keep it under control, until your water
supply is back to normal again.
Red cyanobacteria? It's Serratia marcescens. It's usually spread by
airborne dust. Perhaps Frank allowed a dusty person like you to use his
This bacterium has been a favorite for experiments because it's visible
and usually harmless. It keeps coming back because it doesn't require
much. Spraying or wiping with water containing borax should keep it
from growing. Borax is bacteriostatic, and it takes only a tiny bit.
If the borax gets washed off, it may have to be sprayed again.
"Gary V. Deutschmann, Sr." wrote:
Cyanobacteria is a Blue-Green Algae that can take on a red appearance in
highly alkaline circumstances. It plagues reef aquarists to no end! And
has been found on the walls of humid locations such as bathrooms, but mainly
in coastal areas.
I'm glad you have the correct name for the common red algae that grows on
bathroom walls Serratia marcescens!
Thanks for the correction!
I have a reddish stain..not slimy..is it the same thing? it is found in
the sink around the drain and around the faucet. It is also in the bathtub
around the drain. It does not develop in the toilet though..
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