Sensafe Pool Check 4 in 1 Test Strips Bottle of 50 Tests – INCL. 12 PK

Pool Check 4 in 1 Test Strips Bottle of 50 Tests – INCL. 12 PK
4in1 Pool Check is a complete source for pool & spa testing. Measuring for 4 of the most important pool & spa parameters, 4in1 Pool Check is ideally suited for the demanding pool & spa owner who is concerned with proper pool & spa maintenance. It detects Total Chlorine: 0, 1, 3, 6, 9, 12, 20 ppm (mg/L), Total Alkalinity: 0, 40, 80, 120, 180, 240, 360 ppm (mg/L), pH: 6.0, 6.4, 6.8, 7.2, 7.6, 8.2, 9.0 pH and Free Chlorine: 0, 0.5, 1, 3, 5, 10 ppm (mg/L).