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Hanna Instruments Worldwide
Contact Hanna: (65)6296-7118

GroLine pH 4.01 Buffer Sachets, (25 x 20 mL) – HI70004G

SGD 64.00

Please call for stock update

groline hydroponics ph ec ppm meter

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 that fit easily into a pocket or carrying case for on-the-go testing.

  • Supplied with Certificate of Analysis

  • Accurate to ±0.02 pH @ 25℃
  • Perfect for use with GroLine testers and portable meters