The Hanna Marine pH Handheld Colorimeter Reagent is a replacement reagent for the HI-780 Marine pH Checker® HC. These high-quality reagents are clearly marked with the lot number on the dropper bottle for traceability. Contains approximately 100 tests.
The HI-780 Checker HC is a simple, accurate, and cost effective way to measure pH in seawater. Designed as a more accurate alternative to chemical test kits, this handheld colorimeter provides quick, accurate pH testing results.