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rooting cuttings
8-bar design supports superior light distribution
stronger growth and amazing yields with much less work
automatic shut-off valve
to 1800 sq
Hanna Instruments GroChek pH/EC/TDS/C Portable Meter w/ Cal Check 112W rooting cuttingsThe HI9813 6 features the Hanna Instruments CAL Check that will allow the user to know when the probe needs to be calibrated or replaced. The meter operation is simplified with dedicated buttons for measurement modes to be displayed on the LCD and knobs for single point calibration of pH and EC. A variable TDS conversion factor ensures that your results are right the first time. The HI9813 6 portable meter features a large LCD that displays either pH,
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