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  • 4.01 pH
  • 7.01 pH

Buffering (calibration) Solution 4.0 & 7.0

$7.97
Quantity:

Product Description

These two packets of 4.0 and 7.0 pH buffering solutions can be used to recalibrate your pH meter. Store the solutions in a very small plastic or glass container for future calibrations.

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