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

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 150 gallons of ready to use solution. 5x more concentrated.

Germination & Propagation Guide and a Plant Diagnostics Manual to help determine the correct nutrient and pH levels for growing aeroponic plants and more!

BEYOND All Natural Plant Amendment™ 16 fl oz Concentrate bottle - makes 30 gal. Overrides stress caused by environmental factors & deficiencies. Proven by NASA & organic growers since 1997. Meets USDA Organic Standard. Contains nitrogen trace elements.

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.