HI-50021P is a premium quality calibration check solution used exclusively for the HI-9813-6 portable pH/EC/TDS/Temperature meter. Each sachet has the lot number and expiry date stamped on it and is made of light block foil ensuring freshness each time one is opened.

HI-50021P Check Solution, 20mL, 25 sachets

SKU: HI-50021P

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