There are a number of things that can cause rust spots and stains in a pool.
Yellow stains in swimming pools.
Leaves berries bugs suntan oil or even your water loving dog can all contribute to staining.
If you don t clean your pool frequently rust can flourish because the items sit in one place and begin to rust.
If a yellow or reddish color occurs it is an indication that the stain is copper.
Floats swim gear swimming pool pumps motors filters automatic pool cleaners pool.
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 steps are a common culprit but any other metal items can blemish the surface as well.
May prefer shady spots of your pool.
Metals are certainly not the only cause of stains in a plaster surfaced swimming pool.
Found under ladder treads behind pool lights and inside pool filter.
Bright yellow to dark yellow mustard color.
Identifying yellow algae in a swimming pool.
Here s a pool stain chart as a guide for metal stain identification in pools.
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.
What causes rust in swimming pools.
If you have yellow algae brush it and with prope.
I show examples in a pool of yellow algae and some stains on the pool plaster that looks like yellow algae.
Your first clue to diagnosing a pool stain is to check out it s color.
Yellow discolorations typically point to algae growth or iron deposits.
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.
Clinging hiding blooms not free floating.
To keep the pool water as clean and healthy as possible a proper diagnosis and quick treatment of the problem are necessary.
Where does yellow algae come from.
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.