Yellow Stains In Pool Plaster

Your first clue to diagnosing a pool stain is to check out it s color.

Yellow stains in pool plaster.

When there is too much of a mineral present in the water it can begin to stain the pool. Plaster was and still is the most common type of finish. Plaster finishes are more likely to stain because the surface of the finish is porous. 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.

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. Shades of yellow can be a sign of excessive iron. 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.

Many pool owners find yellow algae to be one of the more difficult strains of algae to. Once again having the correct water balance is important. While the finish appears smooth it is not. If your pool is a dark plaster color you can then try an acidic stain remover like stain free or stain away.

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. Iron can be introduced into a pool by well water or pipe corrosion somewhere in the pool system. 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. The finish is a mixture of cement and water.

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. I ve try to shock the pool and use the brush to brush it. Mike norwood on april 30 2017 at 1 21 pm said. Can any shed some light.

Essentially a plaster pool is what many refer to as a concrete pool. Enzymes for oily dirty stains acid washing for all plaster tile and coping stains keep pool water balanced and brush often.