Nitrite is produced by the beneficial bacteria in the pond and filters as they break down the harmful waste ammonia excreted by the fish.
Nitrite can affect the health of fish but is now as toxic as ammonia.
Try the Pondlab 200 Multi-test!
NT Labs Nitrite Test Kit (N02)
- Brand: NT Labs
- Product Code: NT Labs Nitrite Test Kit (N02)
- Availability: 1