Hanna HI50036P Groline Quick Cal Solution - pH & EC/TDS Calibration (25 x 20mL) emergency water and extended service life

and extended service life

Refillable Design: Economical maintenance with replaceable electrolyte solution (MA9071) and membrane caps (MA845M)

This add-on operates automatically

and low-cost solution to accessing water in an emergency

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

Hanna HI50036P Groline Quick Cal Solution - pH & EC/TDS Calibration (25 x 20mL) emergency water and extended service lifeHanna 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,