swimming pool precision test strip, each test strip can be tested at the same time:

Total Chlorine (Total Chlorine) test range: 0-1-3-5-10;

PH (PH value) test range 6.8-7.2-7.4-7.6-8.0-8.4;
Total Alkalinity Total Alkalinity test range: 0-40-80-120-180-240;

packing: each bottle is divided into 5 small-sized aluminum foil bag, each aluminum foil bag 10 pieces, each bottle 50 test strips.

The ideal water quality is based on the accurate water quality test. Take a test paper and immerse it in the swimming pool water for about 2 seconds. Take it out and lay it flat. After 15 seconds, compare the reading with the color card.