Brown Stains On Bottom Of Pool Liner

The metals that commonly cause pool stains are iron manganese copper.

Brown stains on bottom of pool liner.

The iron depending on the severity provides with a yellow to brown stain in the pool. To identify the type of pool stain you re dealing with match it s color s to one of the descriptions below. This will result in blue green teal black or dark purple stains. Adding salt to the salt water pool.

Copper is from ionizers and corrosion of copper and brass pipes. Place a vitamin c tablet ascorbic acid on the stain for a short time period. Calcium or sodium salts typically leave a white deposits. If the stain lightens from a small application of acid to the stain then it is a mineral type of stain.

Organic pool stains come from dead algae small animals or organic debris. One of the most common causes of stain is the salt. Stains that appear reddish brown or very dark are typically related to metals in your pool water. Vinyl pool liner fading can also be an issue worth mentioning.

Calcium and salts can result in white deposits on the liner. These stains normally occur after a long winter or thunderstorm. Iron pool staining can be brown red or a yellow orange color. Green or green brown pool stains organic usually caused by decomposed leaves twigs algae or other plant life.

For stains on a horizontal surface you can test the surface for mineral staining by using a small amount of acid on the stain. In this post we discuss identifying cleaning and preventing swimming pool stains from various sources. Sometimes caused by decomposed bugs or critters. Calcium or sodium salts can leave whitish deposits on your pool liner.

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. If you see brown red yellow staining that could be do to too much iron.