Hi-psi 1/4" ID special re-enforced tubing for algae free nutrient solution. Use with hi-psi pumps, accumulator & solenoid. Works with 1/4" barbs.

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

Benchtop Data Acquisition (DAQ) Module for 14-bit analog to digital conversion of leaf moisture for precise measurement and irrigation control. Perfect for laboratory and research. Trending v1.4 software included.

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.

Size: 18 fl. oz. (532 ml) liquid concentrate Propagation Agent for faster rooting of stem and leaf cuttings