Leaf Sensor Rev4 - Digital Meter - Calibration Combo pak II for leaf sensor voltage readings - no external battery required. Special cable connects directly to a leaf sensor - includes Leaf Sensor Rev4, CD, Digital Meter, Calibration std card and cable

Wearable plant Leaf Sensor for all plants. Know when to water. Easy to use. Measures water levels using a digital multimeter or Arduino data logger. Precision Irrigation Monitor when used with these devices. NEW v4 upgrades includes 10' connector cable.

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

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

NASA developed Aeroponic Substrate offer the fastest germination of almost any size of seed. Polystyrene re-usable. Size: 15" wide x 100' long x 0.002" thick