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