Aquarium Pharmaceuticals Freshwater /Saltwater Nitrite Test Kit, Test kit of 180 tests

Fill a clean test tube with 5 ml of water to be tested (to the line on the tube). Add 5 drops of Nitrite Test Solution, holding dropper bottle upside down in a completely vertical position to assure uniformity of drops added to the water sample. Cap the test tube and shake the tube for 5 seconds. Do not hold finger over the open end of the tube, as this may affect test results. Wait five minutes for the color to develop. Read the test results by matching the color of the solution against those...

Nitrite Test Kit Description Freshwater /Saltwater Nitrite Test Kit Tests for nitrite in freshwater & saltwater aquariums. Toxic nitrite is produced by nitrifying bacteria in the biological filter as it breaks down ammonia. This kit tests for harmful nitrite and measures levels from 0 to 5.0 ppm. 180 tests per kit. Freshwater/Saltwater Nitrite Test Instructions: Why Test For Nitrite? Nitrite (NO2-) is produced in the aquarium by the biological filter. Beneficial bacteria in the biological filter...

Fill a clean test tube with 5 ml of water to be tested (to the line on the tube). Add 5 drops of Nitrite Test Solution, holding dropper bottle upside down in a completely vertical position to assure uniformity of drops added to the water sample. Cap the test tube and shake the tube for 5 seconds. Do not hold finger over the open end of the tube, as this may affect test results. Wait five minutes for the color to develop. Read the test results by matching the color of the solution against those...