Citric Acid For Pool Water

This is a good treatment if your pool has a lot of staining and the spot cleaning is not an option.

Citric acid for pool water.

High levels of cyanuric acid cya in pool water can cause issues. Cyanuric acid is sometimes abbreviated as cya and it s also called pool conditioner or pool stabilizer. Cyanuric acid is used in swimming pools to lower the rate of photochemical reduction of chlorine hypochlorous acid and hypochlorite ion. It does not harm a pool to have such a thin layer removed it simply clears away the stain.

For my vinyl pool students in the class please read chapter 7 stains in a vinyl liner pool. Citric acid is a gentler stain remover than muriatic acid another form of acid used to remove stains and resurface swimming pool interiors. And yet we encounter many people that are hesitant to drain or even dilute their pool to reduce cya levels. That s just a fancy way of saying it protects your pool s chlorine from the effects of sunlight.

Use a half a pound of vitamin c for every 10 000 gallons of water. Cyanuric acid is a precursor to those meaning what you put in your pool is not the same substance you use to kill dandelions in your driveway. If you are treating larger stains or decided to buy a liquid acid sprinkle the acid evenly around the pool. I used probably a 1 2 ounce of citric acid with 15 ounces of water.

When you get the ascorbic acid in the water you can turn on the pool pump and let the filters circulate the water for about a half hour. Experiment with the proportions here. This is how you use a large amount of ascorbic acid to treat staining in your entire pool. Citric acid removes the stained area of a pool when applied by eating away the top layer of the pool s surface.

Essentially the ph of the pool water is reduced to a very acidic level of around 1 0 and an alkalinity level close to zero. That s why minimal cya is orenda s fourth pillar of proactive pool care. Check to see if the stains are gone. I cover using bulk ascorbic acid and also using natural chemistry stain free which is citric acid.

This way you only need to cover them with a shallow pool of water. It s sold in liquid or granule form.