Hanna HI719 Magnesium Checker | Freshwater Digital Colorimeter 0-2 mg/L water bottle filter reliable refractometry that meets global

reliable refractometry that meets global winemaking standards

Hydroponics and indoor growing operations

Clean cuvettes with distilled water after each use

providing superior drop protection and enhanced grip for demanding hydroponics

Hanna HI719 Magnesium Checker | Freshwater Digital Colorimeter 0-2 mg/L water bottle filter reliable refractometry that meets globalProfessional Freshwater Magnesium Hardness Colorimeter for Aquariums & Aquaculture The Hanna HI719 Checker HC is a portable, professional grade freshwater magnesium hardness colorimeter designed for accurate magnesium (Mg) measurement from 0. 00 to 2. 00 mg L in freshwater aquariums, aquaculture, and water quality applications. This handheld photometer delivers lab quality results in the field with simple operationjust add reagent, insert the cuvette,