Hanna Instruments 1413 S/cm (EC) Calibration Solution, 500 mL Hygrometers & Other Meters IP65 wet location rated protection

IP65 wet location rated protection against water and dust

healthy leaves

with tight-fitting latches to keep the lid sealed to the base

Seedling/Vegetative Stage: Mix 1-2 ml of Wet Solutions Wet Si per liter of water

Draw power: 22 Watts

Hanna Instruments 1413 S/cm (EC) Calibration Solution, 500 mL Hygrometers & Other Meters IP65 wet location rated protectionHI7031M 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