Hanna PH/EC/TDS/TEMP H19813-6 with Cal-Check Feature Canna CAL Check allows the user

CAL Check allows the user to easily check the pH probe calibration status at any time

How To Use:

Pre-charged with slow-release organic fertilizers

This is because the root systems have direct access to both nutrients and oxygenated water

Maintain operational excellence and extend equipment life

Hanna PH/EC/TDS/TEMP H19813-6 with Cal-Check Feature Canna CAL Check allows the userThe Hanna Instruments HI 9813 6 Portable pH EC TDS Temperature Meter with CAL Check Feature is a versatile, water resistant, multipara meter portable instrument specifically designed for agricultural applications such as hydroponics, greenhouses, farming and nurseries. It features a large LCD that clearly displays the parameter being measured as well as calibration instructions. Calibration is fast and easy with knobs located on the front panel of the