Brown Stains On Bottom Of Pool Liner

One of the most common causes of stain is the salt.

Brown stains on bottom of pool liner.

Stains that appear reddish brown or very dark are typically related to metals in your pool water. Copper is from ionizers and corrosion of copper and brass pipes. Calcium or sodium salts typically leave a white deposits. Too much copper usually results in blue green staining while iron results in brown red or yellow staining.

For stains on a horizontal surface you can test the surface for mineral staining by using a small amount of acid on the stain. These stains normally occur after a long winter or thunderstorm. The most common reason for algae to appear in a swimming pool is from improper ph and chlorine levels. Calcium or sodium salts can leave whitish deposits on your pool liner.

This will result in blue green teal black or dark purple stains. The iron depending on the severity provides with a yellow to brown stain in the pool. What are these brown stains in my pool. Place a vitamin c tablet ascorbic acid on the stain for a short time period.

If you see brown red yellow staining that could be do to too much iron. Vinyl pool liner fading can also be an issue worth mentioning. In this post we discuss identifying cleaning and preventing swimming pool stains from various sources. If the stain lightens from a small application of acid to the stain then it is a mineral type of stain.

Iron pool staining can be brown red or a yellow orange color. Adding salt to the salt water pool. Calcium and salts can result in white deposits on the liner. The chemicals that are introduced into the swimming pool s filtration system are there to get rid of algae and other bacterial growths.

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. Even the manganese can also give a quite dark brown or even a blackish stain.