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.

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.

NEXGen Light Array maximizes photosynthetic energy (45 in x 24 in x 8 in) Hi-Efficiency bulbs rated at 20,000 hours duty cycle. Less than 2-3F heat transfer to plants! Inhibits UV, IR and insects. No other light (T-5, HID, HPS or LED)does as much!

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

ODC organic Super Concentrated - New 18 fl oz bottle - 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.