Calibration Stardard Card for calibration the Leaf Sensors -contains 1 ea. graduated calibrated micro-thin disks. Track voltage / inches (mm).

BEYOND All Natural Plant Amendment™ 16 fl oz Concentrate bottle. Indoor/Outdoor. Overrides stress caused by environmental factors & deficiencies. Proven by NASA & organic growers since 1997. Meets USDA Organic (NOP) Standards. Natural source of nitrogen.

Plastic high quality hi-pressure aeroponic mister spray jet. Hydro-atomize water and nutrient solutions to 5-25 micron droplets. Lowest water usage - fine mist full cloud pattern. Orifice size: 0.016". Easy to clean. Package size: 2 ea.

Wearable plant Leaf Sensor Rev4 w/clip. GREAT price! It knows when to water. Wire insert into 3-wire connection. Precision Irrigation Monitor. Hurry while supplies last.

Hi-psi 1/4" ID special re-enforced tubing for algae free nutrient solution. Use with hi-psi pumps, accumulator & solenoid. Works with 1/4" barbs.