Industrial Test Systems, 481341, PoolCheck 4-in-1 Pool and Spa Check, 50 Tests
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.
Detects:
- Free Chlorine: 0, 0.5, 1, 3, 5, 10 ppm (mg/L)
- 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
