Nutrafin Nitrate reagent #2 refill is for use with Nutrafin?s Nitrate Test (0.0-110.0 mg/L).
Nitrate should be tested on a regular basis as a measure of pollution in the aquarium and to determine if a water change is necessary.
Format: 10 mL (0.3 fl oz).,
Nitrate should be tested on a regular basis as a measure of pollution in the aquarium and to determine if a water change is necessary.
Format: 10 mL (0.3 fl oz).,