Blue Lab PH 4 Calibration Solution

$15.99 NZD
Approx $11.39 USD $18.99 NZD
Approx $13.53 USD

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  • Description
  • 250ml
  • This buffer solution provides the low 4 reading to calibrate pH meters.
  • Use with pH buffer 4 to calibrate your Bluelab pH meters accurately.

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