HANNA GroLine Quick Calibration Solution for GroLine pH and EC Meters (500 ml)

Make calibration fast and reliable with this dual-purpose solution designed for GroLine pH and EC/TDS meters. Perfect for the Quick Cal functionality, it offers a single-point calibration for both pH (6.86) and conductivity (5,000 µS/cm). Packaged in a hermetically sealed, tamper-proof 500 mL bottle, it includes clear labeling of lot and expiration dates for traceability. Formulated under strict ISO standards using ultra-pure components, it delivers lab-grade accuracy with a pH precision of ±0.02 at 25 °C. Unopened, the solution remains stable for up to five years—ideal for both fieldwork and lab use.

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Key Features

• Dual-purpose formula enabling one-step calibration for pH (6.86) and EC (5,000 µS/cm)

• High accuracy: ±0.02 pH at 25 °C

• Sealed, tamper-resistant packaging ensures long-lasting freshness

• Clearly labeled with lot number and expiration for quality assurance

• Certified ISO-grade preparation using premium materials

• Long 5-year shelf life when unopened