Metals or minerals in the pool water coming out of solution 2.
Dirt stains on bottom of pool.
Organic material like leaves dirt oils worms or algae.
Rust coming through the wall floor or around fittings 3.
The metals that commonly cause pool stains are iron manganese copper.
Once the pool water has been shocked thoroughly brush all the stains then let the pool circulate for at least eight hours.
Swimming pool stains can be caused by.
Stains that appear reddish brown or very dark are typically related to metals in your pool water.
What are these brown stains in my pool.
The question does say that after you vacuum the dirt comes right back into the pool.
Aussie gold algae brush plastic 10 25cm 29 99.
Add about a handful of dry acid sodium bisulfate directly to the stain brush the dry acid into the stain if the stain begins to fade away it s rust.
It can easily be mistaken for dirt as the color and appearance of texture is the same.
Continue to brush the stains intermittently and keep the chlorine level high until the stains are finally gone.
Copper is from ionizers and corrosion of copper and brass pipes.
But if the pool looks good and after a while maybe overnight the brown dirt reappears in the same spot then you probably have brown algae.
The easiest way to clean dirt from the bottom of a pool is to vacuum the pool using a pool vac.
It can be vacuumed up in the same way dirt can but will generally return within a day.
Most other types of algae can be found floating on the surface of the water or stuck to the walls of the pool near the water line.
This will result in blue green teal black or dark purple stains.
This could be a torn or ripped pleat on the cartridge.