Designed for quick germination of medium to large seeds in an aeroponic system. Package of 5 ea.

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

How to use the Leaf Sensor Rev3 for all plants. Know when to water. Easy to use. Measures water levels using a digital multimeter or data logger. Precision Irrigation Monitor when used with these devices. Click to BUY.

ODC organic Super Concentrated - New 1.2 fl oz bottle for trees, gardens, orchards, nurseries, greenhouse, & lawns. Made from aquatic materials - shellfish - natural source of (N). MAKES 150 gallons of ready to use solution. 5x more concentrated.

Leaf Sensor Rev4 w/clip. GREAT price! It knows when to water. Wire insert into 3-wire connection. Precision Irrigation Monitor. Hurry while supplies last.