1413 µS/cm Conductivity Standard (500mL Bottle) commercial-greenhouse-fixtures Four-way output control: 60%

Four-way output control: 60%

Use 3 ml-8 ml of solution per gallon of water during the Bloom cycle (see feed chart for further details)

After planting

5 mL per gallon of water

1413 µS/cm Conductivity Standard (500mL Bottle) commercial-greenhouse-fixtures Four-way output control: 60%HI7031L is a premium quality 1,413 S cm conductivity standard that is prepared against a NIST traceable potassium chloride solution. 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 from the date of manufacture for an