Calcium or sodium salts can leave whitish deposits on your pool liner.
Brown stains on bottom of pool liner.
If you see brown red yellow staining that could be do to too much iron.
Even the manganese can also give a quite dark brown or even a blackish stain.
Stains that appear reddish brown or very dark are typically related to metals in your pool water.
Organic pool stains come from dead algae small animals or organic debris.
Green or green brown pool stains organic usually caused by decomposed leaves twigs algae or other plant life.
Copper is from ionizers and corrosion of copper and brass pipes.
This will result in blue green teal black or dark purple stains.
Iron pool staining can be brown red or a yellow orange color.
To identify the type of pool stain you re dealing with match it s color s to one of the descriptions below.
Too much copper usually results in blue green staining while iron results in brown red or yellow staining.
Adding salt to the salt water pool.
The metals that commonly cause pool stains are iron manganese copper.
The chemicals that are introduced into the swimming pool s filtration system are there to get rid of algae and other bacterial growths.
If the stain lightens from a small application of acid to the stain then it is a mineral type of stain.
In this post we discuss identifying cleaning and preventing swimming pool stains from various sources.
These stains normally occur after a long winter or thunderstorm.
Calcium and salts can result in white deposits on the liner.
Calcium or sodium salts typically leave a white deposits.
The iron depending on the severity provides with a yellow to brown stain in the pool.
What are these brown stains in my pool.
One of the most common causes of stain is the salt.
Vinyl pool liner fading can also be an issue worth mentioning.
The most common reason for algae to appear in a swimming pool is from improper ph and chlorine levels.