Metals are certainly not the only cause of stains in a plaster surfaced swimming pool.
Yellow stains in swimming pools.
Here s a pool stain chart as a guide for metal stain identification in pools.
Identifying yellow algae in a swimming pool.
Oxidised iron turns pool parts and water to a brown or rusty colour copper turns pool parts and water to light green silver turns pool parts and water to black and manganese turns.
Yellow discolorations typically point to algae growth or iron deposits.
There are a number of things that can cause rust spots and stains in a 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.
Brushes off the wall fairly easily.
Where does yellow algae come from.
The steps are a common culprit but any other metal items can blemish the surface as well.
If a yellow or reddish color occurs it is an indication that the stain is copper.
Your first clue to diagnosing a pool stain is to check out it s color.
To keep the pool water as clean and healthy as possible a proper diagnosis and quick treatment of the problem are necessary.
What causes rust in swimming pools.
Clinging hiding blooms not free floating.
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.
If you have yellow algae brush it and with prope.
If you don t clean your pool frequently rust can flourish because the items sit in one place and begin to rust.
Swimming pools with water sourced from a well are prone to developing stains due to the presence of heavy metal compounds like iron copper silver and manganese.
May prefer shady spots of your pool.
Bright yellow to dark yellow mustard color.
I show examples in a pool of yellow algae and some stains on the pool plaster that looks like yellow algae.
Leaves berries bugs suntan oil or even your water loving dog can all contribute to staining.
The appearance of yellow spots around the stairs of your swimming pool can indicate that something is happening with the chemistry of the pool water.