1/4" ID Black Vinyl Tubing - Low pressure - 10 ft for algae free nutrient delivery. Perfect for effluent return lines.

Leaf Sensor and Digital Meter pak for leaf sensor voltage readings - no external battery required. Special cable connects directly to a leaf sensor. Ready use. Includes Leaf Sensor, Digital Meter and cable & CD-ROM

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. Ready use. Includes Leaf Sensor, Digital Meter, Calibration std card and cable

BEYOND Stoner 3x ODC™ Proven by NASA & organic growers. All natural source of nitrogen and trace elements. Cannabis HEMP Indoor/Outdoor. Bio-activation guaranteed. Makes over 240 gal. USDA organic qualified. Concentrated 10 fl. oz (BEYOND with 3 oz ODC™).

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.