Hanna GroLine Storage Solution Size:500 ml Choose from six different 100-foot

Choose from six different 100-foot sizes

Includes a mixing chamber

and a gripple key for installation

personalized alarm settings

6 GPH and 10 GPH

Hanna GroLine Storage Solution Size:500 ml Choose from six different 100-footHI70300 023 is a GroLine 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