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 manuals and tips for soldering and connecting sensors to digital multimeters and data loggers. Includes irrigation sensor articles, manuals, hints and more for best practices. Ready for download.

Complete CD-ROM (1&2 vol. on one single CD-ROM). Newly updated with exclusive video interviews and aeroponic growing know-how not found on www.aeroponics.com

Leaf Sensor Rev4 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

BEYON Plant Amendment™ 1.2oz (32ml) concentrate bottle - makes 33 gal/124 liters Indoor/Outdoor Overrides stress caused by climate changes & deficiencies Proven by NASA & USDA Forest Service since 1997 Meets USDA Organic (NOP) as seen on Amazon