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From our beginnings in 1927, Carolina Biological Supply Company has grown to become a leading supplier of science teaching materials for all levels of education. Today, from our headquarters in Burlington, North Carolina, we serve customers worldwide, including teachers, professors, homeschool educators, hobbyists, and professionals in health and science-related fields.
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These kits combine accuracy and reliability with simplified methodology that is not available in other field test products. Unique vacuum-sealed test ampules contain premeasured aliquots of reagent and are self-filling. Just immerse the ampule in the water sample and snap its tip; the ampule fills automatically and delivers a quantitative result, usually in 2 minutes or less! Each kit contains a color comparator, 30 test ampules, graduated water sampling cup, and instructions. Packed in a high-density plastic, flip-lid carrying case.