Used to test the free chlorine, bromine, alkalinity & pH levels and Total Hardness of swimming pool, spa or hot tub water.
There are 50 strips per tub, and the tub includes a comparison chart which shows different colours for the different levels (low, high, and normal) for each of the different tests.
Product contains 50 test strips.
Simple and easy to use.
1, Dip one strip into water with a simple back and forth motion.
2, Remove strip.
3, Wait 5 seconds.
4, Match pH, free chlorine / bromine, total alkalinity and Hardness to the colour chart.
Complete colour matching within 30 seconds.
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