## What Is Cyanuric Acid? Cyanuric acid (CYA) is a chemical compound with the formula C₃H₃N₃O₃. In pools, it does one job: it protects chlorine from UV degradation. When CYA
# Pool Stabilizer (Cyanuric Acid): The Complete Guide to Protecting Your Chlorine **Meta Description:** Learn everything about cyanuric acid (pool stabilizer) – what it does, ideal levels, how to add