R151226 | Pentair Cyanuric Acid Test Kit 64-PCR-1Z-65 transformer border: 1px solid rgba(93

border: 1px solid rgba(93

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R151226 | Pentair Cyanuric Acid Test Kit 64-PCR-1Z-65 transformer border: 1px solid rgba(93The Pentair Rainbow R151226 is a #79 Specialty Test Kit designed to accurately measure cyanuric acid (CYA) also known as stabilizer or conditioner levels in pool and spa water. Maintaining proper CYA levels between 30 and 50 ppm is critical to chlorine performance, as readings below this range accelerate chlorine loss to UV exposure, while levels exceeding 70 ppm can significantly reduce chlorine's sanitizing effectiveness. The kit relies on a slide