You may want to do this on a test area first as it might bleach out the liner somewhat.
Algae stains in vinyl pool.
These substances need to be removed as part of the treatment.
For metal stains either stain solution 1 the iron cobalt spot etching stuff or 2 the copper scale stuff may be indicated depending on the metals discovered.
Or in the case with plaster pools a chlorine or acid wash might be needed.
Mineral pool stains are treated with acidic stain removers.
As the pool drains hose and brush off the steps and walls if there are any dirt or stains but do not use a pressure washer.
Basically this is because green algae is one of the fastest growing algae types and will often turn your pool green or cloudy overnight.
Most of the time organic stains are removed during the shocking process.
These stains normally occur after a long winter or thunderstorm.
They can occur do to bleaching of the vinyl liner or incorrect ph or chlorine levels.
When adding alum as a stain treatment only use products labeled for pool use make certain your water chemistry values are in balance and that you on.
If the stain is old or excessive then the pool may have to be shocked to remove the stain.
Organic pool stains are not usually hard to remove but with time your pool will start to have a dull light brown color that you won t be able to remove.
Typically greenish brown colored stains are related to something organic like algae or leaves that were left on the pool floor.
Doheny s also carries a spray on vinyl cleaner that can be used if your pool is drained.
Organic pool stains are treated by shocking the pool with a chlorine shock treatment.
For many vinyl liner stains the prescription from dr.
Organic pool stains come from dead algae small animals or organic debris.
If it s organic stain from algae it can be removed somewhat but but might not be perfect.
Jack will be vinyl liner blue stuff a powerful sequestrant that prevents and removes stains on vinyl pools.
Scrub the algae with a soft nylon brush.
Green algae is the most common cause of algae stains in swimming pools.
Treat your pool liner for your type of stain.
Also green algae most commonly starts in corners or areas where automatic pool cleaners are unable to access.
If that doesn t work try a stain remover.