Description
This refill of the nonhazardous TesTab® reagent used in the Earth Force® Low-Cost Water Quality Monitoring Kit (item #652567) can be used to perform 50 tests for nitrate wide range.
This refill of the nonhazardous TesTab® reagent used in the Earth Force® Low-Cost Water Quality Monitoring Kit (item #652567) can be used to perform 50 tests for nitrate wide range.