1413 µS/cm Conductivity Standard (500mL Bottle) Light Fixture Lowest height profile DE on

Lowest height profile DE on the market

Compatible with all types of hydroponic systems

no wasted substrate

a pest of many plants in indoor and outdoor gardens

PHRS010 Reflector: Hydrofarm engaged a renowned American lighting engineer to design the most efficient DE enclosed type reflector on the market

1413 µS/cm Conductivity Standard (500mL Bottle) Light Fixture Lowest height profile DE onHI7031L 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