Use a stick or a pool pole not your finger.
Brown spots on pool liner.
Using a trichlor tablet hold it on the stain for about 3 5 minutes.
On the other hand it promises to be more delicate if it is a question of micro mushrooms which in reality have developed behind the liner on the concrete.
And brown stains concentrated on the bottom can likely be attributed to dirt stains typically enhanced by calcium buildup.
The iron depending on the severity provides with a yellow to brown stain in the pool.
Place a vitamin c tablet ascorbic acid on the stain for a short time period.
Removing brown spots on the liner of your pool can be a relatively easy operation if they result from the presence of organic waste or are a sign of deposits of dead algae.
If the stain lightens up or disappears it s organic.
Go to this page to see how to treat your pool for brown algae.
In this video i explain how to remove stains from your swimming pool liner and give another tip on easy swimming pool maintenance to create a problem free s.
Once the algae has appeared onto a vinyl pool liner it is not hard to get rid of but it is a good indication it is time to check the pool s chemical levels.
The first step to deal with organic materials is to shock your pool and scrub it.
Step 1 scrub the algae with a soft nylon brush.
Calcium or sodium salts can leave whitish deposits on your pool liner.
Once you have the algae removed be sure to maintain the pool at its proper ph and chlorine levels to prevent the algae from coming back.
Even the manganese can also give a quite dark brown or even a blackish stain.
You need to determine if the stain is organic or a metal stain.
This will result in blue green teal black or dark purple stains.
The metals that commonly cause pool stains are iron manganese copper.
One of the most common causes of stain is the salt.
Copper is from ionizers and corrosion of copper and brass pipes.
Stains that appear reddish brown or very dark are typically related to metals in your pool water.
Adding salt to the salt water pool.