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CYA Testing - Further Reading - Trouble Free Pool
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 …
The Free Chlorine and Cyanuric Acid Relationship
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 …
CYA – Cyanuric Acid Test - Trouble Free Pool
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 …
SLAM – Shock Level and Maintain - Trouble Free Pool
Dec 12, 2018 · Use the CYA value you wrote down and use the FC/CYA tool to determine your SLAM level FC based on your CYA. Select "SLAM my cloudy or green swimming pool". If your …
How did the CYA levels get so high in my pool
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 …
PoolMath - Trouble Free Pool
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 …
Free Chlorine - Further Reading - Trouble Free Pool
Jul 27, 2025 · What is Free Chlorine in a Pool? Free chlorine, as measured by a TFP recommended test kit, is the sum of two forms of chlorine in your pool water - active chlorine …
Salt water pool and CYA question - Trouble Free Pool
Apr 25, 2024 · Brand new pool was plastered and filled about 2 weeks ago. We've been brushing, adjusting pH, alkalinity, and chlorine levels. The salt is being added in 2 more weeks. Currently …
CYA removal - Trouble Free Pool
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 …