B8201 - 2 IN 1 Test strip (50pcs/bottle):
Free Chlorine (ppm), PH

B8202 - 3 IN 1 Test strip (50pcs/bottle):
Free Chlorine (ppm), PH, Total Alkalinilty

B8203 - 4 IN 1 Test strip (50pcs/bottle):
Free Chlorine (ppm), Total Bromine (ppm),
PH, Total Alkalinilty (ppm)

B8204 - 5 IN 1 Test strip (50pcs/bottle):
Total Hardness, Total Chlorine (ppm), Free
Chlorine, PH, Total Alkalinilty (ppm)