Hanna HI50036P Groline Quick Cal Solution - pH & EC/TDS Calibration (25 x 20mL) emergency water Temperature Compensation: Automatic or manual

Temperature Compensation: Automatic or manual from -20

This add-on operates automatically

and extended service life

Keep your COM-300 multi-parameter meter performing at its best with the genuine HM Digital SP-C3 replacement probe

double-junction MA911B/2 lab-grade pH electrode (included) for low maintenance and high performance

Hanna HI50036P Groline Quick Cal Solution - pH & EC/TDS Calibration (25 x 20mL) emergency water Temperature Compensation: Automatic or manualHanna HI50036P Groline Quick Cal Solution Professional pH & EC TDS Calibration The Hanna HI50036P Groline Quick Calibration Solution is a professional grade, dual purpose calibration standard designed for fast, accurate single point calibration of Groline pH and EC TDS meters. Each box contains 25 individually sealed 20mL sachets that deliver fresh, uncontaminated calibration solution every time, ensuring optimal meter accuracy for hydroponics,