GroLine 1413 µS/cm Conductivity Standard with Certificate (230mL Bottle) growing-accessories · Accepts most standard E39

· Accepts most standard E39 Base HID lamps from 250W-1500W

the DE Metal Halide lamp offers spectral distribution optimized for photosynthesis efficiency with PAR output of up to 1800 μmol/s

• Grow light outlets

activators or catalysts to produce synchronized and accelerated growth under all conditions

Wattage: 650w

GroLine 1413 µS/cm Conductivity Standard with Certificate (230mL Bottle) growing-accessories · Accepts most standard E39HI7031 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