Yellow Stains In Pool Plaster

When there is too much of a mineral present in the water it can begin to stain the pool.

Yellow stains in pool plaster.

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. While the finish appears smooth it is not. 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.

Plaster was and still is the most common type of finish. Unlike algae iron deposits resist scrubbing and take a lot of elbow grease to remove. Enzymes for oily dirty stains acid washing for all plaster tile and coping stains keep pool water balanced and brush often. Mike norwood on april 30 2017 at 1 21 pm said.

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. Essentially a plaster pool is what many refer to as a concrete pool. 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. Your first clue to diagnosing a pool stain is to check out it s color.

Can any shed some light. Iron can be introduced into a pool by well water or pipe corrosion somewhere in the pool system. I have one little spot at the bottom of my pool that the gunite shows through the plaster of the pool. Most metals when subjected to swimming pool water chemicals will react and leave a stain where they were in contact with the pool s plaster the most common objects to stain swimming pools are soda or beer cans pop tops and coins.

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. A weak cowardly algae it hides in the places that our cleaning equipment and sanitizers don t always reach effectively. I ve try to shock the pool and use the brush to brush it. 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.

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.