Manufacturers of an extensive product line of water and wastewater testing kits. Includes featured products and specifications.

Manufactures art colorimeters and ready to use reagents for water analysis. View a list of products, request literature, or email an order.

Provider of systems for water quality analysis details the company's history, services and products.

Manufacturer and distributor of water, wastewater, and soil test instruments and kits offers an online catalog with pricing and ordering details.

Produces and sells residential and commercial biological and chemical test kits for water, indoor-air, food, and soil quality. Check for E. coli and salmonella.

Nonprofit university laboratory provides water-testing and analysis services to homeowners and private water-supply systems.