Hanna Instruments GroChek pH/EC/TDS/C Portable Meter w/Cal Check ac-dehumidification-humidification and foundation(micronutrient) format

and foundation(micronutrient) format

and soilless rooting media

DIRECTIONS:

Soft Tumble™ Technology

this formula is very effective for supplementing calcium

Hanna Instruments GroChek pH/EC/TDS/C Portable Meter w/Cal Check ac-dehumidification-humidification and foundation(micronutrient) formatHI 9813 6 is a versatile, water resistant, multiparameter portable instrument specifically designed for agricultural applications such as hydroponics, greenhouses, farming and nurseries. This meter features an 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 instrument. HI 9813 6 includes all the features of the HI 9813 5 while