Brush every black algae spot with a steel bristle brush to remove the protective layer.
Treat black algae vinyl liner.
Kayden manufacturing produces high quality inground vinyl pool liners right here in the u s a.
Black algae in a vinyl pool is possible but not very likely.
If the algae problem is extensive use a filter cleaner rather than just plain water.
5 10 minutes max.
If you have black algae in your pool you have black algae in your filter.
Treat the algae areas by rubbing with chlorine tablets or brush in granulated chlorine with a steel brush.
Let s talk about the first part nice people.
Treating it as such many technicians drop the ph and super chlorinate the water.
Having a clean filter that is functioning well and circulating the water.
You have to kill the root.
Removing the liner and treating it directly or injecting through the liner sliding a feeder tube behind the liner treating the pool base through the surrounding soil etc.
Testing the water and balancing the various chemical inside it.
You can also use about 1 2 lb.
Chemically treat the pool water bottom line i ve never seen any treatment from inside the pool work long term.
Those pesky little spores stick to the cloth and hop off in the pool the first chance they get so be sure to use bleach to clean them.
That doesn t mean we have a bunch of guys in the back singing kumbaya all day long.
Nylon brushes will not work.
Of calcium hypochlorite granular chlorine in an old sock to put on a spot.
Don t leave the chlorine on the spot for too long as it may bleach the liner.
If there s only a small amount of black algae in the pool you can probably get away with backwashing your pool filter for sand or de filters or rinsing the filter cartridge.
When everything is right it is time to use the best algaecide to prevent the development of algae.
Conduction a weekly scrubbing of your pool floors walls and steps.
Apply algae code to the areas prior to scrubbing with chlorine.
This can be treated with a good pool shock and an adequate chlorine level.
To prevent this many manufacturers incorporate biocides within the makeup of the vinyl but this isn t always a bulletproof solution.
There are basically three schools of thought to attacking black algae.
This sort of stain often is misdiagnosed as black algae arko says.
Black algae can get into your pool several ways but one of the most common is from swimming suits that have been in the ocean.