Hanna Instruments GroLine 5000 µs/cm Conductivity Standard with Certificate, 230 mL Coco Blocks & Coco Grow Bags Agra-Rouse soil treatment is a

Agra-Rouse soil treatment is a blend of bio-stimulants containing naturally-occurring and synthetic plant growth regulators and plant hormones that boost healthy

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please note that the lower the micron count

It provides the quality of an organic and the high yield of a synthetic in an OMRI listed soil

Hanna Instruments GroLine 5000 µs/cm Conductivity Standard with Certificate, 230 mL Coco Blocks & Coco Grow Bags Agra-Rouse soil treatment is aHI7039 023 is a GroLine 5,000 S cm conductivity standard that is prepared against a NIST traceable potassium chloride solution and supplied with a certificate of analysis. Hanna conductivity solutions have the lot number and expiration date clearly marked on the label and are air tight with a tamper proof seal to ensure the quality of the solution. Hanna's line of conductivity standards have been specially formulated to have an expiration of 5 years