HI70300M 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.

• Special formulation to minimize bacterial growth on your electrode.
• Clearly marked expiration date and lot number for traceability.
• Designed for storing any pH or ORP electrode.
HI70300M is a specially formulated electrode storage solution that can be used to store your pH electrode*. To ensure the best response time, the sensor tip and the reference junction of the pH electrode should be kept moist when not in use. Placing the pH electrode in a small glass filled with storage solution or replacing the solution in the protective cap is a n easy way to store the electrode. The HI70300M should also be used to rehydrate the electrode after cleaning by soaking for at least one hour before taking measurements.

Air tight bottle with a tamper-proof seal

• Ensures quality and freshness of solution

Each bottle marked with lot number and expiration date.

• Hanna pH storage solutions are specially formulated to have an expiration of 5 years from manufacture for an unopened bottle.



* Never store pH or ORP electrodes in distilled or deionized water. Doing so will shorten the life of the sensor.