Alkalinity Water Quality Test Kit, Alkalinity, Range 4 to 200 ppm, Sensitivity 4 ppm, Test System Titrimetric, Number of Tests 50, Replacement Reagents 4EWE6, Standards Not Applicable, Includes (50) Indicator Tablets, 60 mL Alkalinity Titration Reagent, Acid Demand Index, Color Chart, Direct Reading Titrator, Instructions, Test Tube. This item has been restricted from sale in the following state (s): []