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

Leaf Sensor Wireless Base Stations handles 1 to 20 Remote Nodes - up to 40 leaf sensors! DLS gateway offers 24/7 cloud based information. Access sensor data from your computer, ipad, & Android. Device Cloud Data Service 1st-yr free!

AgriHouse's NASA sponsored Leaf Sensor Rev3 for all plants. It knows when to water. Easy to use. Measures plant water levels using a digital multimeter or data logger. Pre-order for delivery in Jan'22 - hurry while supplies last!

How to use the 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. Pre-order for Jan'22.

BEYOND All Natural Plant Amendment™ 16 fl oz Concentrate. Indoor/Outdoor. Overrides environmental stress & mineral deficiencies. Proven by NASA & organic growers. USDA Organic (NOP) Standards. Natural source of nitrogen. Makes over 400 gal. Since 1997