PACKTEST-Zinc (Test Kit)

 "PACKTEST" is the most simplified water quality test.
Operation is shown in the section Measuring.

1) Remove the line at the top to clear aperture.
2) Press tube's wall to expel air. 
3) Immerse the tube to fill it halfway.
4) Compare the color with standard colors after the reaction time, then the nearest color indicates the concentration (mg/L = ppm) of the tested ion in sample water.

PACKTEST Zinc

Range: (0 - 5 mg/L)

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