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 …

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 …

Dec 12, 2018 · There are several items things every pool owner should know about swimming pool water. We share details on the basics of Pool Water Chemistry.

Dec 13, 2009 · Cyanuric Acid and Alkalinity. I'm not sure if this has been posted elsewhere and I've read quite a few posts but not seen it mentioned. I read a paper some time ago regarding …

May 21, 2024 · I know to remove cya it is cheapest and best to do a partial drain on our aboveground pool. We did the partial with our pool a 6 times before closing it and drained it …

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 …

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...

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 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 …

Jun 28, 2012 · The main problem with the higher CYA is that it reduces the active chlorine level allowing algae to grow faster than chlorine can kill it. You can compensate for this by raising …