Chlorine (free and total) reagent kit (0.05 to 6.0 mg/L range)
Chlorine Dioxide reagent kit (0.04 to 2.8 mg/L range)
Fluoride reagent kit (0.1 to 2.0 mg/L range)
Nitrate reagent kit (1 to 40mg/L range)
pH reagent kit (6.5 to 8.4 range)
Turbidity Standards Kit
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Colonial Scientific has teamed up with the industry leaders, Fisher Scientific and VWR, and now offers their entire product line. Colonial Scientific provides any part from the Fisher Scientific site with a part number.