Product_description: ['Important - Due to the nature of this product, all orders must be shipped to verifiable businesses at commercial addresses. R-45-DR 1-DR-1 Precalibrated test tubes and labware give fast, accurate results on-site, in the classroom, or in the lab. Range: to ppm Materials for tests Reagents, labware, and step-by-step instructions are furnished in a compact, waterproof carrying case.', 'Water Quality Testing Kit, Alkalinity, Range 4 to 200 ppm, Sensitivity 4 ppm, Test System Titrimetric, Number of Tests 50, Replacement Reagents 4EWE6, Includes (50) Indicator Tablets, 60 ml Alkalinity Titration Reagent, Acid Demand Index, Color Chart, Direct Reading Titrator, Instructions, Test Tube']

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