pH test strips, PEHANON 5.2 to 6.8 (Box of 200 test strips)

• Unify pH indicator and reference color chart on one strip

• Any sample color has the same effect on both, the reference colors and the reactive pad, allowing unadulterated pH reading even in colored solutions

• Gradation (pH): 5.2 - 5.5 - 5.7 - 5.9 - 6.1 - 6.3 - 6.5 - 6.8

• Length: 100 mm

• Width: 11 mm