NO3 test

• Highly accurate all in one water testing kit.
• Tests pH, Ammonia, Nitrates and Nitrites.
• Complete step by step instructions included.
• Perfect for maintaining your high water quality.
• Includes testing colour chart.
• Includes 4 glass bottles with snap-on lids and holding tray for easy testing.

Nitrate (NO₃) is an indicator for severe organic pollution. The source of this organic pollution should be eliminated, a partial water change provides immediate help.