4in1 City Water Check

4in1 City Water Check 

Bottle of 25 Strips 

Range: pH: 2, 4, 5, 6.5, 8.5, 9.5, 10.5, 12 
Total Alkalinity: 0, 40, 80, 120, 180, 240, 500 ppm (mg/l)
Total Chlorine: 0, 0.2, 1, 4, 10 ppm (mg/l) 
Total Hardness: 0, 50, 120, 250, 425, 1000 ppm (mg/l)