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 …

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...

Sep 1, 2025 · Stabilizer (Cyanuric Acid or CYA) 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), …

May 4, 2009 · 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 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 …

Aug 19, 2012 · My CYA level was zero or very close, so added the recommended amount on the packaging. How soon after adding can i add additional chlorine or shock? I've been battling algae …

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 …

Aug 20, 2023 · The primary reason to use CYA is to reduce the harsh effects of hypochlorous acid (HOCl) which is formed when chlorine is dissolved in water. A well managed pool only needs about …

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 …

Jan 4, 2025 · CYA Testing Follow the instructions for CYA Testing in Pool School. Read all of the notes in the Pool School article. Many people find the CYA test the most difficult to interpret and get …