Hanna Instruments TDS Calibration Solution 1382ppm (20 mL sachet) HI70032P hydroponic never store an electrode in

never store an electrode in distilled or deionized water

and temperature in a single

No tools are required to setup

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Hanna Instruments TDS Calibration Solution 1382ppm (20 mL sachet) HI70032P hydroponic never store an electrode inHI70032P is a premium quality 1,382 mg L (ppm) TDS calibration solution that is NIST traceable and contained in portable single use sachets. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hannas line of TDS calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. Convenience of