Hanna GroLine Storage Solution Size:500 ml The botanicals are all food

The botanicals are all food grade GRAS (Generally Recognized As Safe) materials

CO2 being a heavier air will cascade down over the plants

Ascophyllum Nodosum

personalized alarm settings

Hanna GroLine Storage Solution Size:500 ml The botanicals are all foodHI70300 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