This swimming pool test consists of test sticks for the semiquantitative determination of free chlorine, alkalinity and the pH value of swimming pool water.These test sticks are a convenient tool for orienting measurement of three parameters which are very important for swimming pool water.
yellow → violet Free chlorinelight green → dark green Alkalinityyellow → red pH
0.5 – 10 mg/l Cl2 Free chlorine80 – 240 mg/l CaCO3 Alkalinity6.4 – 8.4 pH
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