HANNA TEN (10) PACK ph 4.01 20ml CALIBRATION SOLUTION PACKET (SINGLE USE) pH meter kit With this 2-pack

With this 2-pack

use only genuine NuvoH2O replacement cartridges to maintain warranty coverage and optimal performance

Dimensions: 14 x 2

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HANNA TEN (10) PACK ph 4.01 20ml CALIBRATION SOLUTION PACKET (SINGLE USE) pH meter kit With this 2-packHI 70004 10 x 20ml sachets pH 4. 01 buffer solution The pH 4. 01 buffer solution is available in quick and easy to use 20ml sachets, one of the most commonly used buffer solutions. It is extremely stable and represents the mid way point in the acid range of the pH scale ideal for those requiring an accurate acid reading, particularly those working in water purification plants, the food industry, and wherever the pH is expected to be acidic. The single