Details:

Testing water parameters weekly helps prevent invisible water problems that can be harmful to fish. High levels of ammonia can lead to fish stress and death. Levels between 0.5 to 3 mg/L can cause fish stress, 3 to 6 mg/L can potentially be deadly to fish. Ammonia is the #1 killer of freshwater fish. The Advatec Ammonia Test Strips contain easy-to-read instructions and guarantee fast and accurate test results in just 30 seconds. Use our Test Strips several times a week for 4-6 weeks when you start a new aquarium, and then use it weekly for monitoring tank stability or when problems occur.