PoolCheck® 4 in 1 - Bottle of 50 tests | ITS-481341

4 in 1 Pool Check® is a complete source for pool and spa testing. Measuring for 4 of the most important pool & spa parameters, 4 in 1 Pool Check® is ideally suited for the demanding pool and spa owner who is concerned with proper pool and spa maintenance.

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
• Free Chlorine: 0, 0.5, 1, 3, 5, 10 ppm (mg/L)

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