9 in 1 Atwa Strip

1.Tota Hardness ppm
2.Free Chlorine ppm
3.Iron ppm
4.Copper ppm
5.Lead ppm
6.Nitrate ppm
7.Nitrite ppm
8.Total Alkalinity ppm
9.pH

1.Immerse the strip for 2 seconds and then remove the strip.

2.Do not shake excess water off and then hold the strip horizontally for 30 seconds.

3.Compare against the color chart and read immediately within 30 seconds to get accurate result.