Iso Cyanuric Acid

Cyanuric acid is used as a chlorine stabilizer in swimming pools. It binds to free chlorine and releases it slowly, extending the time needed to deplete each dose of sanitizer.

CYA provides is a huge benefit to chlorine. CYA can extend the life of free chlorine by as much as 8 times in direct sunlight. For outdoor pools, that’s a game changer. That said, CYA is not to be used in an indoor pool.