Hanna Instruments 1413 S/cm (EC) Calibration Solution Atmosphere Controllers and other hard mineral deposits

and other hard mineral deposits

and ease of use

They are made to be mounted in all positions either horizontally or vertically

And Can Also Be Used As A Foliar Spray

Hanna Instruments 1413 S/cm (EC) Calibration Solution Atmosphere Controllers and other hard mineral depositsHI7031M 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