Ten (10) Pack Hanna Calibration Check Solution for HI9813-6 pH 10.01 The outer reference has a 5009 KDF shower filter and coffee makers
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Description
Ten (10) Pack Hanna Calibration Check Solution for HI9813 6 pH 10.01 The outer reference has a 5009 KDF shower filter and coffee makers The outer reference has a single ceramic frit Residue from the sample can impact the sensitivity of the sensing bulb and clog the junction