Hanna Instruments Storage Solution, 500 mL Replacement pH Neutralizing / Remineralizing Cartridge 5 runs on 120 Volt

5 runs on 120 Volt so works in the US and Canada

Soil/Soilless/Water Culture: Mix 1 tsp per 1 qt of water (5 ml per 1 L)

SuperThrive makes an excellent foliar spray

NSF approved PVC

Double clip closure

Hanna Instruments Storage Solution, 500 mL Replacement pH Neutralizing / Remineralizing Cartridge 5 runs on 120 Voltp>The Hanna Instruments Storage Solution is an electrode storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes. Properly storing your pH electrode in a solution keeps the glass membrane well hydrated which maintains proper function and provides accurate readings. This solution is a specially formulated electrode storage solution that can be used to store your pH electrode*.