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.

Vinyl pool liner fading can also be an issue worth mentioning. The iron depending on the severity provides with a yellow to brown stain in the pool. Organic pool stains come from dead algae small animals or organic debris. The most common reason for algae to appear in a swimming pool is from improper ph and chlorine levels.

These stains normally occur after a long winter or thunderstorm. Calcium or sodium salts can leave whitish deposits on your pool liner. Stains that appear reddish brown or very dark are typically related to metals in your pool water. If you see brown red yellow staining that could be do to too much iron.

What are these brown stains in my pool. Calcium or sodium salts typically leave a white deposits. Iron pool staining can be brown red or a yellow orange color. 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. Copper is from ionizers and corrosion of copper and brass pipes. This will result in blue green teal black or dark purple stains. In this post we discuss identifying cleaning and preventing swimming pool stains from various sources.

Green or green brown pool stains organic usually caused by decomposed leaves twigs algae or other plant life. If the stain lightens from a small application of acid to the stain then it is a mineral type of stain. Calcium and salts can result in white deposits on the liner. Place a vitamin c tablet ascorbic acid on the stain for a short time period.

One of the most common causes of stain is the salt. For stains on a horizontal surface you can test the surface for mineral staining by using a small amount of acid on the stain. Even the manganese can also give a quite dark brown or even a blackish stain.