Pool stains on the wall or floor of a swimming pool can be caused by metals in the pool water or by an organic material left in the pool.
Yellow stains in pool plaster.
When there is too much of a mineral present in the water it can begin to stain the pool.
Can any shed some light.
Iron can be introduced into a pool by well water or pipe corrosion somewhere in the pool system.
While the finish appears smooth it is not.
Enzymes for oily dirty stains acid washing for all plaster tile and coping stains keep pool water balanced and brush often.
Sometimes it can be fairly easy to get rid of stains but other times those hard to remove spots can take a bit more than a simple scrub.
The finish is a mixture of cement and water.
Many pool owners find yellow algae to be one of the more difficult strains of algae to.
Essentially a plaster pool is what many refer to as a concrete pool.
Here s some information of my pool 24 000 gal concrete with plaster cartridge filter 1 1 4 hp pump there are some yellow stain at the bottom of my pool and i am not sure what causes it.
Plaster was and still is the most common type of finish.
Shades of yellow can be a sign of excessive iron.
Plaster finishes are more likely to stain because the surface of the finish is porous.
I ve try to shock the pool and use the brush to brush it.
Pits or crevices in plaster or dips and dirty areas on a pool liner create a safe harbor for this particular strain of pool algae.
A small swimming pool stain is usually caused by a metal object being left on the plaster bottom long enough to rust and leave a stain.
I have one little spot at the bottom of my pool that the gunite shows through the plaster of the pool.
Poor water balance can become corrosive or scaling and both conditions can cause plaster pool stains by making it easy for minerals and metals to come out of.
A weak cowardly algae it hides in the places that our cleaning equipment and sanitizers don t always reach effectively.
If your pool is a dark plaster color you can then try an acidic stain remover like stain free or stain away.
Mike norwood on april 30 2017 at 1 21 pm said.
Once again having the correct water balance is important.