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Once inside the plant
a natural source of humic acid mined from the Earth
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GroLine Waterproof Portable pH/EC/TDS Meter LEFT COAST Once inside the plantThe Groline Waterproof Portable pH EC TDS Meter HI9814 by HANNA Instruments is designed to bring simplicity to nutrient testing. This Portable GroLine Meter is designed specifically for Hydroponic growers. The specialized electrode combines 3 sensors in a single rugged probe featuring a polypropylene body, integrated temperature sensor, and cloth junction. One combined, pre amplified pH, EC, and TDS (ppm) probe for hassle free measurements. Quick CAL
