Description
Quick Calibration Solution
- Calibration solution for Gro line pH and EC/TDS meters
- pH calibration buffer value of pH 6.86
- EC calibration standard value of 5, 000 µS/cm (5.00 mS/cm)
Air tight bottle with tamper-proof seal
- Ensures quality and freshness of solution
Each bottle marked with lot number and expiration date
- Hanna buffers are specially formulated to have an expiration of 5 years from manufacture for an unopened bottle