HANNA GroLine Calibration Bundle (Bottles)

Streamline and maintain precision in hydroponic and greenhouse setups with this all-inclusive calibration bundle. Designed for frequent calibration tasks, it contains three 500 mL bottles essential for pH and EC meter upkeep: Quick Calibration Solution – Enables single-point calibration for both pH and EC using the Quick Cal feature. Electrode Storage Solution – Keeps electrode membranes hydrated and junctions clear to preserve accuracy and readiness. General Purpose Cleaning Solution – Removes build-up from electrode bulbs and junctions, ensuring optimal sensor response. All bottles are hermetically sealed, tamper-resistant, and clearly labeled with lot and expiration information for full traceability. With a generous shelf life of up to five years when unopened, this bundle is both reliable and cost-effective.