QUANTOFIX Nitrate 100 (Tube of 100 test strips)
[91351]

• Gradation: 0 - 5 - 10 - 25 - 50 - 75 - 100 mg/L NO3- (Nitrate)

• Gradation: 0 - 0.5 - 2 - 5 - 10 - 25 - 50 mg/L NO2- (Nitrite)

• Color change: yellow to red-violet (Nitrate)

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