If the waterline has turned yellow.
Yellow stains in pool liner.
It can cause rust marks in the bathtub or toilet and it can stain your pool.
Blue green stains are usually from too much copper in the water.
Calcium or sodium salts can leave whitish deposits on your pool liner.
To prevent the appearance of this famous yellow line think of rubbing the edge with a suitable product once a week.
Shades of yellow can be a sign of excessive iron.
I show examples in a pool of yellow algae and some stains on the pool plaster that looks like yellow algae.
Calcium and salts can result in white deposits on the liner.
Even with regular maintenance of your pool sunscreens are formidable.
This is due to the presence of floating fatty substances on the surface of the water.
Unlike algae iron deposits resist scrubbing and take a lot of elbow grease to remove.
If you have yellow algae brush it and with prope.
If the stain lightens from a small application of acid to the stain then it is a mineral type of stain.
Ray cronise is the co founder of trilogy pools.
Many municipal and even some well water sources have iron as a contaminant.
Vinyl pool liner fading can also be an issue worth mentioning.
For stains on a horizontal surface you can test the surface for mineral staining by using a small amount of acid on the stain.
He created the award winning fusion pool line.
Identifying that yellow brown stain on your swimming pool s walls.
Too much copper usually results in blue green staining while iron results in brown red or yellow staining.