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

16 Fluid oz. ODC™ colloidal chitosan solution for trees and plants. Homeopathic plant and tree remedy. Treats over 150 pines trees and acres of lawn. SAVE - Volume Discount - less than $.49 per dose/tree. Order now limited supply!

BEYOND All Natural Plant Amendment™ 1.2 fl oz Concentrate bottle - makes 30 gal. Overrides stress caused by environmental factors & deficiencies. Proven by NASA & organic growers since 1997. Meets USDA Organic Standard. Contains nitrogen trace elements.

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

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.