Brown Stains On Bottom Of Pool Liner

Calcium and salts can result in white deposits on the liner.

Brown stains on bottom of pool liner.

Adding salt to the salt water pool. 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. Too much copper usually results in blue green staining while iron results in brown red or yellow staining.

Place a vitamin c tablet ascorbic acid on the stain for a short time period. These stains normally occur after a long winter or thunderstorm. In this post we discuss identifying cleaning and preventing swimming pool stains from various sources. What are these brown stains in my pool.

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. Sometimes caused by decomposed bugs or critters. 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. If the stain lightens from a small application of acid to the stain then it is a mineral type of stain. For stains on a horizontal surface you can test the surface for mineral staining by using a small amount of acid on the stain. If you see brown red yellow staining that could be do to too much iron.

Calcium or sodium salts can leave whitish deposits on your pool liner. This will result in blue green teal black or dark purple stains. Vinyl pool liner fading can also be an issue worth mentioning. Organic pool stains come from dead algae small animals or organic debris.

The metals that commonly cause pool stains are iron manganese copper. To identify the type of pool stain you re dealing with match it s color s to one of the descriptions below. The iron depending on the severity provides with a yellow to brown stain in the pool.