The Palintest DPD No.1 Tablets (Free Chlorine) (CH-DPD1) are high-precision water testing reagents designed for accurate measurement of free chlorine levels in spa, pool, and water treatment systems. Trusted worldwide in professional water analysis, these tablets provide a simple and reliable way to monitor sanitiser effectiveness and maintain safe, hygienic water conditions.
Used with compatible Palintest photometers or comparator test kits, they deliver fast, consistent results essential for routine water balance and compliance testing.