Digital Leaf Sensor Meter for leaf sensor voltage readings - no external battery required. Special cable connects directly to a leaf sensor. Ready use. Take leaf sensor readings - connector/cable included.

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

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.

This liquid pH adjuster (UP) is specially formulated for increasing the pH of an aeroponic nutrient solution. 18 fl. oz. (532 ml))bottle

Complete CD-ROM (1&2 vol. on one single CD-ROM). Newly updated with exclusive video interviews and aeroponic growing know-how not found on www.aeroponics.com