Hach Co., of Loveland, Colo., announced the addition of on-line instrumentation and accessories to its list of products eligible for the company’s popular Premium Points Program, or P3. It now recognizes Hach’s on-line turbidimeters and analyzers, calibration standards and reagants, including 1720D Series Low Range Process Turbidimeters, new OptiQuant Analyzers, and new CA610 Fluoride Analyzers. Bonus P3 points are offered quarterly on select products.