In most cases this is all that is needed with vinyl pool liners.
Brown algae stains in pool.
This is one of the most difficult types of algae to get rid of and gets its name from its yellowish brown color.
Scrub the algae with a soft nylon brush.
If the stain doesn t lighten up gets darker or the color changes to black it s probably a metal stain.
If the stain is old or excessive then the pool may have to be shocked to remove the stain.
Shock the pool with chlorine and then add an.
Of calcium hypochlorite granular chlorine in an old sock to put on a spot.
To confirm it s a metal stain get a vitamin c tablet crushed up acsorbic acid put that in a sock and place it on the stain.
Run the filter and backwash it to move additional debris.
The appearance of brown algae on the bottom of the pool is a sign of the beginning of an infestation of mustard algae.
What are these brown stains in my pool.
Add chemicals as necessary to adjust the pool s ph level to.
Add enough chlorine to your pool to bring the free chlorine concentration to between 1 and 3 ppm.
Clean the pool s.
Clean the pool as much as possible to break up the algae using a brush leaf rake and vacuum.
In this post we discuss identifying cleaning and preventing swimming pool stains from various sources.
Brown algae you can also use about 1 2 lb.