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

The original aeroponic system with closed-loop reservoir, hi-psi pump, micro-filtration, germination accessories - complete aeroponic unit!

ODC organic super Concentrated - New 18 fl oz bottle for farm acreage, orchards, nurseries, greenhouse, lawns and gardens. Derived from aquatic materials - shellfish (chitin)- natural source of Nitrogen. MAKES 2,365 gallons of ready to use solution

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!

AgriHouse's NASA sponsored Leaf Sensor Rev3 for all plants. It knows when to water. Water resistant low power device. Easy to use. Measures plant water levels using a digital multimeter or data logger for precision irrigation control.