HANNA® GroLine pH 4.01 Calibration Buffer Sachets, 20 mL

HANNA® GroLine pH 4.01 Calibration Buffer Sachets, 20 mL

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List Price: $144
Now: $129

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Hanna® Calibration Solutions

HI70004G is a high quality pH 4.01 calibration buffer designed with hydroponics, aquaponics, and greenhouses in mind. Single-use sachets are highly portable, with a small footprint and a lightweight design. They are the perfect accessory for your on-the-go testing, fitting easily into your pocket or carrying case.

  • Supplied with Certificate of Analysis
  • Single-use sachets for convenience.
  • Perfect for use with GroLine testers and portable meters!

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