ARC CMH Lighting System w/Lamp (3100K) ph-ec-tds-meters-and-solutions 5"L (from flange ends) x

5"L (from flange ends) x 19"W at widest setting x 7

while the wide range of nutrients correct potential deficiencies

Flexible and easy calibration

and for established gardeners wishing to do a side by side comparison to see for themselves the quality and yields they can achieve with our hand crafted nutrients

01 resolution are standardized against NIST-certified pH references within 0

ARC CMH Lighting System w/Lamp (3100K) ph-ec-tds-meters-and-solutions 5"L (from flange ends) xThe ARC CMH 315W system is a complete, low profile 315W ceramic metal halide lighting system designed for commercial growers needs. It features massive thermal heat distribution fins on the ballast compartment to allow the internal electronic components to operate at optimal temperature range, ensuring long ballast life. The replaceable reflector was specifically designed to distribute the CMH lamps PPF (Photosynthetic Photon Flux) in a rectangular,