Hanna Instruments Electrode Storage Solution HI70300L (500 mL) fresh The built-in probe features an

The built-in probe features an open junction

Harmless to predatory mites

This digital pen style PH meter is an ideal instrument for any aquarium

In the case of cleaning your pH electrode in one of our cleaning solutions

TDS Range 0 to 3000 ppm (500 CF)

Hanna Instruments Electrode Storage Solution HI70300L (500 mL) fresh The built-in probe features anHI70300L is a storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes. It is necessary to store a pH electrode in a solution in order to keep the glass membrane of the pH electrode hydrated. Ideally a storage solution should be used; never store an electrode in distilled or deionized water. The Hanna Instruments storage solution is specifically formulated to minimize microbial