Reactive Orthophosphate (as PO4-) Test Strips, 0-50 mg/L, 50 tests

Hach's phosphate test strips are easy to use and read. In the field, technicians can test many samples in just minutes and make immediate evaluations on-site. In the lab, our phosphate test strips are ideal in pre-test screening to detect the presence of materials that might interfere with lab testing. Contains 50 tests.