Canadian Spa 3 Way Test strips (50 strips per pack) to check the levels of Chlorine, PH and Total Alkalinity. Simple and easy to use.
Ensure your spa is always safe to use.Pack of 50 strips. Simply dip a test strip into the water and compare to the colour chart to take readings for: Chlorine - pH - Total Alkalinity
TIP: Chlorine and pH should be checked EVERY TIME the spa is used to ensure that the water is safe to use!