Jan 5, 2026 · CYA not only protects chlorine from UV loss, but it also acts as a chlorine buffer. The active chlorine species (hypochlorous acid and hypochlorite anion) are kept at much lower …

Aug 6, 2007 · EDIT: You will find a simplified and standardized version of this chart at Pool School, Chlorine / CYA Chart. Chlorine/CYA Chart by Chemgeek FC = Free...

Feb 26, 2025 · Cyanuric acid (CYA) is the chemical name for the product commonly called “pool water stabilizer” or “pool water conditioner”. CYA protects free chlorine (FC) from the sun and protects …

Jan 6, 2026 · CYA protects your free chlorine (FC) from the sun, reducing the amount of chlorine you need to add daily. Too much CYA (more than about ~90 ppm), and it becomes difficult to maintain …

Jun 30, 2022 · My CYA is 93. I've read varying advice about CYA levels for salt. The computer generated report from the local pool store says CYA should be between 80-150, so I was pretty …

Jun 7, 2017 · Pouring granular CYA into the pool directly, or into the skimmer as recommended on stabilizer bottles, is not recommended as it takes a long time to dissolve and the granules can sit …

Jul 23, 2016 · Why doesn't anyone manufacture 3" chlorine tabs without CYA in them? Is it not possible? Or if someone does, where can I buy it?

Jun 29, 2007 · There is some specualtion that CYA can be consumed by denitrifying bacteria in a pool closed for the winter but this is a very slow process and requires anerobic conditions and no water …

Jun 2, 2010 · I've read numerous times to be careful about using chlorine tablets b/c they raise the CYA levels. Can someone explain to me how or why this happens? Why isn't using chlorine tablets the …

Sep 16, 2017 · PoolMath Discover the pool calculator behind the perfect pool, PoolMath. Dealing with pools has allowed TFP to become the original authors of the best calculator on the net. To help you …