Hanna Instruments pH Electrode Storage Cap HI740200 - 12mm Compression Fitting (5-Pack) Milwaukee MI0001 Double Junction Design: Dual reference

Double Junction Design: Dual reference junction creates an additional barrier between the reference electrolyte and your sample — preventing contamination and dramatically extending probe life when testing samples with proteins

FDA-Approved Formula - Food-safe citric acid

Turn off water supply to your NuvoH2O Home System

Measures total dissolved solids in (ppm) parts per million

Hanna Instruments pH Electrode Storage Cap HI740200 - 12mm Compression Fitting (5-Pack) Milwaukee MI0001 Double Junction Design: Dual referenceProtect and extend the life of your pH electrodes with the Hanna Instruments HI740200 storage cap system. Designed specifically for 12mm diameter probes, these professional grade storage caps maintain optimal electrode hydration between measurements. Key Features: Precision fit: Compression fitting design for standard 12mm diameter electrodes Optimal hydration: Holds 1cm of HI70300 storage solution to keep probe tips properly conditioned Threaded