QUANTOFIX Nitrite / pH (Tube of 100 test strips)

• Gradation: 0 - 1 - 5 - 10 - 20 - 40 - 80 mg/L NO2- (Nitrite)

• Gradation: 6.0 - 6.4 - 6.7 - 7 - 7.3 - 7.6 - 7.9 - 8.2 - 8.4 - 8.6 - 8.8 - 9.0 - 9.3 - 9.6 (pH)

• Color change: white to red-violet (Nitrite)

• Color change: yellow-orange to violet-red (pH)