WaterWorks™ 4-in-1 City Water Check, bottle Parameter_Peroxide Marine (as NO3) 486655 4

Marine (as NO3) 486655 4 - 100 Nitrite (as NO2) 486623 0

WaterWorks™ Bacteria Check Mini is ideal for home use and quick verification

This Calibration Stick is used to make sure your instrument functions the same at Day 1 from purchase as it will do on Day 100 and Day 1000 and so on

and the indicator is non-carcinogenic

WaterWorks™ 4-in-1 City Water Check, bottle Parameter_Peroxide Marine (as NO3) 486655 4The WaterWorks 4 in 1 City Water Check for water quality testing is specifically designed to measure the major parameters in municipally treated drinking water. Accurate and reproducible results for pH, Total Alkalinity, Total Chlorine, and Total Hardness are achieved in less than 30 seconds without sacrificing cost or accuracy. The 4 in 1 City Water Check water quality test is the quickest and easiest way to make sure your drinking water is safe.