Nutrafin Nitrate reagent #1 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: 17 mL (0.57 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: 17 mL (0.57 fl oz).,