Starter Calibration solution MI0038B (6

Start testing your nutrient solution immediately upon arrival

Accuracy: ±1°C (-10 to 100°C )

Just hang from elevation (e

Replacing your Seychelle filter is quick and simple:

Hanna 1413 µS/cm Conductivity Standard 500mL Bottle - HI7031L free chlorine 0-5 ppm Starter Calibration solution MI0038B (6HI7031L 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