The first step to deal with organic materials is to shock your pool and scrub it.
Brown stains on pool liner.
Treat your pool liner for your type of stain.
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.
And brown stains concentrated on the bottom can likely be attributed to dirt stains typically enhanced by calcium buildup.
Using a trichlor tablet hold it on the stain for about 3 5 minutes.
Use a stick or a pool pole not your finger.
You need to determine if the stain is organic or a metal stain.
Mineral pool stains are treated with acidic stain removers.
In most cases this is all that is needed with vinyl pool liners.
If your stain is all around the waterline of the pool because of material floating at the top an enzyme based cleaner will help to break down organic compounds and oils.
Doheny s also carries a spray on vinyl cleaner that can be used if your pool is drained.
If that doesn t work try a stain remover.
All natural pool enzymes will eat away at organic material to remove the pool stain with little or no scrubbing and without the use of harsh chemicals that damage pool liners.
Preventing pool liner stains requires vigilance.
Go to this page to see how to treat your pool for brown algae.
Prevent vinyl pool stains.
Organic pool stains are treated by shocking the pool with a chlorine shock treatment.
If it s closer to a brown black and is found on the sides of the pool as well then you might be looking at metal.
How to remove brown algae stains from a vinyl pool liner by launie sorrels.