Hanna 1413 µS/cm Conductivity Standard 500mL Bottle - HI7031L 0647608368066 this eco-friendly cartridge prevents hard

this eco-friendly cartridge prevents hard water scale buildup throughout your entire dishwasher—from spray arms to heating elements to internal pipes—extending appliance life while delivering spotless

Aquaponics: Maintain accurate water quality monitoring equipment

and restore water flow

TDS: ± 2 %

Hanna 1413 µS/cm Conductivity Standard 500mL Bottle - HI7031L 0647608368066 this eco-friendly cartridge prevents hardHI7031L 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