GroLine Waterproof Portable pH/EC/TDS Meter Kit Humic & Fulvic Acid Seedbeds: 1 pound per 100

Seedbeds:  1 pound per 100 square feet

Improves soil ecology

turf can respond with a few days after application

Massachusetts  Steve won the 2024 Topsfield Fair with this 2211 pound beauty

Azos Nitrogen Fixing Bacteria            12 OZ

GroLine Waterproof Portable pH/EC/TDS Meter Kit Humic & Fulvic Acid Seedbeds: 1 pound per 100Designed 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