NASA developed Aeroponic Substrate offer the fastest germination of almost any size of seed in aeroponic system. Size: 15" wide x 100' long x 0.002" thick

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

Digital Leaf Sensor Meter for leaf sensor voltage readings - no external battery required. Special cable connects directly to a leaf sensor. Ready to take leaf sensor readings, connector/cable included.

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 2,635 gallons of ready to use solution. 5x more concentrated.

Reliable digital timer offers settable spray intervals between sprays and 3 sec or 6 sec spray durations for aeroponic growing and irrigation control.