GroLine Electrode Storage Solution (500 mL) Seed Starting Mix 1/4 teaspoon per gallon

Mix 1/4 teaspoon per gallon of water

Grown in 2025 Steve's 2310 pound giant pumpkin developed a soft spot a few weeks before competition and was unfortunately disqualified

Add 1 - 2 teaspoons to holes

100 gallon container: 2 cups

high quality copper

GroLine Electrode Storage Solution (500 mL) Seed Starting Mix 1/4 teaspoon per gallonHI70300 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