Brown Stains On Bottom Of Pool Liner

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

Brown stains on bottom of pool liner. Iron pool staining can be brown red or a yellow orange color. Organic pool stains come from dead algae small animals or organic debris. Calcium or sodium salts typically leave a white deposits. One of the most common causes of stain is the salt.

Calcium or sodium salts can leave whitish deposits on your pool liner. Place a vitamin c tablet ascorbic acid on the stain for a short time period. The chemicals that are introduced into the swimming pool s filtration system are there to get rid of algae and other bacterial growths. If the stain lightens from a small application of acid to the stain then it is a mineral type of stain.

Even the manganese can also give a quite dark brown or even a blackish stain. In this post we discuss identifying cleaning and preventing swimming pool stains from various sources. Stains that appear reddish brown or very dark are typically related to metals in your pool water. 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. What are these brown stains in my pool. Copper is from ionizers and corrosion of copper and brass pipes. These stains normally occur after a long winter or thunderstorm.

Green or green brown pool stains organic usually caused by decomposed leaves twigs algae or other plant life. 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. This will result in blue green teal black or dark purple stains.

The most common reason for algae to appear in a swimming pool is from improper ph and chlorine levels. Vinyl pool liner fading can also be an issue worth mentioning. Adding salt to the salt water pool.