NutraFin Reagent Refill for Ammonia Test Kit – #1

Nutrafin Ammonia (0.0-6.1 mg/L) Reagent Refill #1 for use with Nutrafin Ammonia (0.0-6.1 mg/L) Test Kit. Ammonia levels should be tested on a weekly basis as it is the most toxic and potentially lethal nitrogen compound for fish.