Brown Stains On Bottom Of Pool Liner

Stains that appear reddish brown or very dark are typically related to metals in your pool water.

Brown stains on bottom of pool liner.

Organic pool stains come from dead algae small animals or organic debris. What are these brown stains in my pool. Place a vitamin c tablet ascorbic acid on the stain for a short time period. 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. 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. If you see brown red yellow staining that could be do to too much iron.

Adding salt to the salt water pool. 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. The iron depending on the severity provides with a yellow to brown stain in the pool.

Green or green brown pool stains organic usually caused by decomposed leaves twigs algae or other plant life. Calcium or sodium salts can leave whitish deposits on your pool liner. These stains normally occur after a long winter or thunderstorm. Even the manganese can also give a quite dark brown or even a blackish stain.

This will result in blue green teal black or dark purple stains. Sometimes caused by decomposed bugs or critters. In this post we discuss identifying cleaning and preventing swimming pool stains from various sources. The chemicals that are introduced into the swimming pool s filtration system are there to get rid of algae and other bacterial growths.

Iron pool staining can be brown red or a yellow orange color. The metals that commonly cause pool stains are iron manganese copper. Calcium and salts can result in white deposits on the liner.