Hanna HI719 Magnesium Checker | Freshwater Digital Colorimeter 0-2 mg/L PPCB filter 5" wide x 19

5" wide x 19

MI411 has a built in timer that ensures appropriate reaction time is used for the chemical reaction

the Power Stick ensures you always have access to mineralized alkaline water

The Polyester content enhances the strength of the media to withstand extended exposure to hot engine oil

Cable length: 1 metre / 3

Hanna HI719 Magnesium Checker | Freshwater Digital Colorimeter 0-2 mg/L PPCB filter 5" wide x 19Professional 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,