Pay in 4 interest-free payments of $68.75 Learn more
Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
choose from: 4
Grow Flow is available as a 12-site Complete System
Great for small gardens
Power on the unit and allow the system to run continuously through your HVAC cycle for optimal ion distribution throughout the facility
measuring cup for soil testing
edge Compatible Digital DO/Temperature Electrode Terp Derp choose from: 4The HI 764080 is a digital dissolved oxygen electrode with built in temperature sensor. This ultra thin, Clark type polarographic electrode is designed for measuring DO in aqueous solutions and contains a built in microchip that stores sensor type, serial number, and calibration information. The sensor features a platinum cathode with a silver silver chloride anode, an integrated temperature sensor, and easily replaceable PTFE membrane caps. This
US$ 49.99
US$ 300.00