99% of the following zones of contamination:

Cable Length: 3

or NaCl — user selectable)

001 pH resolution mode available)

Long Shelf Life: Properly stored solution maintains accuracy until expiration date

Hanna Marine Nitrate High Range Checker® Reagents (25 Tests) pH 4.01 buffer wine 99% of the following zonesThe HI782 25 are the replacement reagents for the HI782 Marine Nitrate High Range Checker HC. These high quality reagents are manufactured in our state of the art facility and are clearly marked with the lot number and expiration date on each packet for traceability. Pre made reagents for ease of use Prepared with high purity chemicals Marked with expiration date and lot number for traceability The HI782 25 are high quality reagents that are pre