Citric acid removes the stained area of a pool when applied by eating away the top layer of the pool s surface.
Citric acid pool stains.
Use the tablets and rub them against the stains to remove them.
It is formed when citric acid comes in contact with calcium.
Deactivate excess metals with a metal reducer like metal free or metal klear.
Start by using a 1 2 pound of ascorbic acid per 10 000 gallons of water in the pool.
Treat large stains by adding ascorbic acid to the pool water by sprinkling it evenly over the surface of the water.
Use natural chemistry s metalfree and you have the ultimate 1 2 combination for stain fighting.
I cover using bulk ascorbic acid and also using natural chemistry stain free which is citric acid.
For the most effective metal pool stain removal follow these steps.
Keep in mind that ascorbic acid is best for treating iron stains while citric acid is best for treating copper stains.
The white stuff in your pool is insoluble calcium citrate.
If you aren t sure what type of metal you re dealing with you can bring a water sample to your local pool store for testing or purchase a pool metal test kit.
Use a half a pound of vitamin c for every 10 000 gallons of water.
Citric acid is a gentler stain remover than muriatic acid another form of acid used to remove stains and resurface swimming pool interiors.
You may now add the ascorbic acid or vitamin c.
The polyquat the citric acid and the metal sequestrant tend to cause high chlorine demands so you may have to supplement the swcg with bleach to get the chlorine to register at first.
If you are treating larger stains or decided to buy a liquid acid sprinkle the acid evenly around the pool.
Citric acid works similar to ascorbic acid but is more effective at treating copper based stains.
If you don t overcome it pretty quickly though you may need to shock the pool since keeping the chlorine at low levels for very long will allow algae to bloom.
Citric acid works quickly to remove copper stains from pool and spa surfaces.
Ascorbic acid treatment.
This copper stain remover is a quick dissolving power which reduces the copper off the walls of your swimming pool.
It can form very tenacious scale and is bad about plugging small openings in piping systems filters and instrumentation.
This is how you use a large amount of ascorbic acid to treat staining in your entire pool.
Stainfree is an all natural citric acid product that removes metal staining on pool liners and finishes.
It does not harm a pool to have such a thin layer removed it simply clears away the stain.