1413 µS/cm Conductivity Standard (500mL Bottle) -power-&-lamp-cords The Xtrasun DE 240V ballast

The Xtrasun DE 240V ballast features rugged build quality

Use to adjust the pH of fertilizer and plant micronutrient foliar solutions

and overall durability

• Sturdy flood pool

1413 µS/cm Conductivity Standard (500mL Bottle) -power-&-lamp-cords The Xtrasun DE 240V ballastHI7031L 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