50pcs Tub Water Quality Swimming Pool Test Paper Residual Chlorine PH Value Alkalinity Hardness Test Strip,Three In One NO5119

Features:

1. Easy to use. Take a test strip and immerse it in the

swimming pool water for about 2 seconds, remove it and lay it flat,

 after 15 seconds, compare the reading with the color on bottle.

2. 3-in-1 function(more functions optional), each test paper can test Chlorine, PH value and Alkalinity simultaneously.

3. Total Chlorine test range: 0-1-3-5-10.

4. PH test range: 6.8-7.2-7.4-7.6-8.0-8.4.

5. Total Alkalinity test range: 0-40-80-120-180-240.

Notice:

Actual colors may vary from that of the image due to computer settings.

Please allow minor deviations due to manual measurement.

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