The Hanna HI-70300L is a storage solution prepared with reagent-grade chemicals. The bottle is air-tight with tamper-proof seals, and each bottle is marked with a batch number and expiry date.
Please note: pH or Oxide Reduction Potential (ORP) electrodes should never be stored in distilled or deionised water as it will shorten the life of the sensor. Also, check our range of special storage solutions. For example, Sodium ISE Storage solution.
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