These test strips measure the following:
Free Chlorine 0-10mg/L : in steps 0,0.5,1.0,2.0,4.0,10.0 .
Total Chlorine 0-10mg/L : in steps 0,0.5,1.0,2.0,4.0,10.0 .
Total Hardness 0-25mg/L : insteps 0,1.5,3,7,15,25
(as CaCo3) 0-25mg/L: in steps 0,25,50,120,250,425
Total Alkalinity 0-240mg/L: in steps 0,40,80,120,180,240
(as CaCo3)
pH : 6.2 to 8.4