Hanna 84 µS/cm Conductivity Standard (500mL Bottle) BNC connector Chlorine — GrowRite: YES |

Chlorine — GrowRite: YES | Carbon only: Yes

The large LCD displays all critical parameters simultaneously

The Milwaukee PRO 2 in 1 controller offers an accuracy to ±0

05 pH EC Range 0

hydroponics

Hanna 84 µS/cm Conductivity Standard (500mL Bottle) BNC connector Chlorine — GrowRite: YES |HI7033L is a premium quality 84 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