Citric Acid Treatment For Pools

Citric acid removes the stained area of a pool when applied by eating away the top layer of the pool s surface.

Citric acid treatment for pools.

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. Deactivate excess metals with a metal reducer like metal free or metal klear add a 1 2 pound of ascorbic acid per 10 000 gallons or water. Start by using a 1 2 pound of ascorbic acid per 10 000 gallons of water in the pool. Citric acid is a gentler stain remover than muriatic acid another form of acid used to remove stains and resurface swimming pool interiors.

Treat large stains by adding ascorbic acid to the pool water by sprinkling it evenly over the surface of the water. Keep in mind that ascorbic acid is best for treating iron stains while citric acid is best for treating copper 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. It does not harm a pool to have such a thin layer removed it simply clears away the stain.

For the most effective metal pool stain removal follow these steps. I cover using bulk ascorbic acid and also using natural chemistry stain free which is citric acid. My pool has some staining on the steps and some of the walls. For tough stains sprinkle ascorbic or citric acid directly onto the spot.

Run your filter for at least 1 hour. This is how you use a large amount of ascorbic acid to treat staining in your entire pool. Your best bet might be to empty the pool clean it out and start over. After 12 hours brush and circulate.