Service Technician - Pool Route Pros Inc.

Forms of chlorine commonly used in pools. Sodium hypochlorite (liquid bleach), calcium hypochlorite (granular or tablet), chlorine gas, chlorinated isocyanurates. Parts per million (ppm). Measurement that indicates the parts of a substance, such as chlorine, by weight in relation to one million parts by volume of pool water. Shock treatment. ................
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