Hanna GroLine pH 7.01 Buffer Sachets — 25 × 20 mL

pH 7.01 buffer in single-use sachets — the neutral point every pH calibration starts from, portioned fresh for every use.

Single-use sachets keep calibration solution factory-fresh — every calibration uses solution that has never been exposed to air or contamination. The light-blocking foil packaging protects against UV degradation, and each sachet is marked with its lot number and expiration date. Box of 25 sachets, 20 mL each.

Please note: Hanna Instruments items may add 1-2 extra business days of processing time before shipping.