GroLine Waterproof Portable pH/EC/TDS Meter Kit Compost Tea beneficially sharing nutrients and thereby

beneficially sharing nutrients and thereby reducing the use of chemical fertilizers

Vegetable transplants & direct seeding: Onions

Excellent tool for fungicide resistance management

or 3 ounces per 100 pounds of seed

GroLine Waterproof Portable pH/EC/TDS Meter Kit Compost Tea beneficially sharing nutrients and therebyDesigned to bring simplicity to nutrient testing, the HI9814 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 mode for a speedy, single point calibration for pH and EC with one