GroLine Electrode Storage Solution (500 mL) Seed Starting Uses Hanna's Quick Cal pH/EC

Uses Hanna's Quick Cal pH/EC standard with a pH value of 6

The dry powder will last indefinitely if keep dry

Built in temperature sensor for Automatic Temperature Compensated measurements

65 pound tomato with the help of WOW Seaweed Powder

GroLine Electrode Storage Solution (500 mL) Seed Starting Uses Hanna's Quick Cal pH/ECHI70300 050 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 GroLine storage solution is specifically formulated to minimize