Add enough chlorine to your pool to bring the free chlorine concentration to between 1 and 3 ppm.
Brown algae stains in pool.
Clean the pool s.
The appearance of brown algae on the bottom of the pool is a sign of the beginning of an infestation of mustard algae.
In most cases this is all that is needed with vinyl pool liners.
Test the pool s water using a pool testing kit.
If the stain doesn t lighten up gets darker or the color changes to black it s probably a metal stain.
Add chemicals as necessary to adjust the pool s ph level to.
Go to this page to see how to treat your pool for brown algae.
This is one of the most difficult types of algae to get rid of and gets its name from its yellowish brown color.
How to kill brown algae in a pool step 1.
Of calcium hypochlorite granular chlorine in an old sock to put on a spot.
In this post we discuss identifying cleaning and preventing swimming pool stains from various sources.
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.
Scrub the algae with a soft nylon brush.
What are these brown stains in my pool.
Clean the pool as much as possible to break up the algae using a brush leaf rake and vacuum.
Shock the pool with chlorine and then add an.