Nutrafin’s Nitrite Test (0.0 - 3.3 mg/L) measures the nitrite levels in fresh or saltwater aquariums. Nitrite should be tested on a weekly basis, as it is a toxic and potentially lethal nitrogen compound for fish.

Nutrafin BUG BITES are specifically formulated to address the natural, insect-based feeding habits of fish, providing essential nutrients vital to their growth and development.

Nutrafin’s Ammonia Test (0.0 - 6.1 mg/L) measures ammonia in fresh and saltwater aquariums. Ammonia should be tested on a weekly basis, as it is the most toxic and potentially lethal nitrogen compound for fish.

Nutrafin’s Nitrate Test (0.0 - 110.0 mg/L) measures nitrate in fresh and saltwater aquariums. Nitrate should be tested on a regular basis as an indicator of pollution in the aquarium and to determine if a water change is necessary.

Nutrafin’s Phosphate (0.0 - 1.0 mg/L) Test measures phosphate in fresh and saltwater aquariums.

Nutrafin’s pH Wide Range Test (4.5 - 9.0) measures the general range of pH in fresh or salt water aquariums.