pH Calibration Buffer Powder 6 Sets Pack of 12 Packets, for Precise pH Meter Calibration, Make 250 ml of Each 6.86pH and 9.18pH to calibrate Your pH Tester
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Product ID: 57700345
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5.0
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S**L
Five Stars
The ph buffer powder was just what i needed fast delivery
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Ayesha M.
The product exactly matches the description. Very satisfied with my purchase.
5 days ago
Meera L.
Smooth transaction and product arrived in perfect condition.
