Calibration Standard Card for calibration the Leaf Sensors -contains 1 ea. graduated calibrated micro-thin disks. Track voltage / inches (mm). For use with all AgriHouse Leaf Sensors.

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.

BEYOND All Natural Plant Amendment™ 16 oz (454ml) Concentrate. Indoor/Outdoor. Overrides environmental stress & mineral deficiencies. Proven by NASA & USDA Forest Service meets(NOP std) Natural source of nitrogen. Makes over 450 gal. As seen on Amazon

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.

Arduino Data logger Leaf Sensor with cable- WiFi data transmission to Google Device Drive Spreadsheet. Ready use with AgriHouse's patented Leaf Sensors with cable. Open source code for Arduino MKR 1000.