It has become a favorite in such applications as hydroponics & gardening

With a 5-year shelf life

Housing: Water-Resistant

125 inches

Step 1 — Salt-Free Water Softening: CitraCharge bonds to hard water minerals (Calcium & Magnesium) making them incapable of sticking to pipes

GroLine 1413 µS/cm Conductivity Standard with Certificate (230mL Bottle) replacement probe It has become a favoriteHI7031 023 is a GroLine 1,413 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