QUANTOFIX Nitrate test sets (50 sets of 3 individually sealed test strips each)
• Gradation: 0 - 10 - 25 - 50 - 100 - 250 - 500 mg/L NO3-
• Color change: white to red-violet
• Without nitrite color scale, but with nitrite test pad
Description
• Color change: white to red-violet
• Without nitrite color scale, but with nitrite test pad