Next you can try using a pumice stone or scale remover.
Removing calcium deposits from vinyl pool liners.
Most visible scale will need an acid stronger than vinegar however.
A calcium scaling specific additive may remove the deposits but these products can take months to dissolve calcium silicate.
Pool balancers can sometimes lighten pool stains to the point that you can forego additional treatment.
Chemical pool stains or uv stains are more tricky to treat and are most likely un treatable.
Lower the water level and spray white vinegar and a few drops of dish soap from a spray bottle.
If you have tile or concrete a pumice stone is perfect for removing scaling.
Organic pool stains come from dead algae small animals or organic debris.
Remove calcium buildup in pool interiors without draining you do not have to drain your pool to remove calcium deposits.
These stains normally occur after a long winter or thunderstorm.
Then use a toothbrush pumice stone or some fine wet dry sandpaper to remove the calcium scaling.
It s a bit of work but it s the simplest way to go for a small area.
What you use depends on your pool s surface.
Of course this only works on hard surfaces.
Spray a few feet then scrub the surface with a textured sponge or scrubber then rinse off.
To do this it s usually easiest to just siphon some water out with a garden hose.
Our proven treatment process is very effective in removing and preventing calcium deposits from plaster quartz vinyl lined and fiberglass pools.
Calcium or sodium salts typically leave a white deposits.
The best ways to remove calcium carbonate is to use a calcium releaser cleaner preferably an acid free product so it doesn t ruin the finish of the pool tile or glass.
For waterline scale on a vinyl pool.
Never use anything abrasive on a vinyl pool liner.
Next try to remove a small area of buildup with white vinegar and a scrub brush.
The first step in getting rid of pool stains from your vinyl pool liner is to test the balance of your pool chemicals.
Calcium scale on tile to remove scaly buildup on pool tile you need to first lower the water levels a little so that you can easily work with whatever is around the water line.
If you have a vinyl or fiberglass pool you won t be able to use a pumice stone.
It would scratch the pool.