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

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 - includes Leaf Sensor Rev4, CD, Digital Meter, Calibration std card and cable

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.

1 fl oz ODC™ Home & Garden Colloidal chitosan solution for trees & plants. Induce them to defend against pine beetles. Treats 10 to 30 trees. Natural & Organic. Easy to use. Bedding plants, flowers, roses, cannabis & vegetables. Order now limited supply!

This concentrated aeroponic liquid minerals(4-18-38)is blended for growing tomatoes of all kinds. 18 fl. oz. (532 ml). Fortified with BEYOND Plant Amendment.