Pool Check 5 in 1 Water Test Strips Options:Pool Check 5 in 1 Bottle of 50 test strips 1000 ppm (mg/L)

1000 ppm (mg/L)

and no external chemicals are needed to perform the water quality test

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and the labels carry both Centigrade and Fahrenheit on the scale

and the indicator is non carcinogenic

Pool Check 5 in 1 Water Test Strips Options:Pool Check 5 in 1 Bottle of 50 test strips 1000 ppm (mg/L)Overview Measuring for 5 of the most important pool & spa parameters, Pool Check 5in1 is ideally suited for the demanding pool & spa owner who is concerned with proper pool & spa maintenance. Specification Parameters & Detection Ranges Free Chlorine Bromine: 0, 0. 5 1, 1 2, 3 6, 5 10, 10 20 ppm Total Chlorine Total Bromine: 0, 0. 5, 1, 3, 5, 10 ppm Total Alkalinity: 0, 40, 80, 120, 180, 240 ppm pH: 6. 4, 6. 8, 7. 2, 7. 6, 8. 2, 9. 0 Total Hardness: 0,