About Nitrogen, Ammonia

A product of microbiological decay of plant and animal protein. Its presence in raw surface waters usually indicates domestic or agricultural pollution. Above certain levels, it is toxic to fish.

Fast, reliable, and safe test strips from Hach:

Hach Test Strips are easy to use and easy to read. In the field, technicians can test many samples in only a few minutes, and make immediate evaluations on-site. In the lab, Hach test strips are ideal in pre-test screening to detect the presence of materials that might interfere with lab testing.