Do Cannabis Greenhouses Require 940nm IR Illumination?

Getting away from PPF for a moment, we were told by a grower that the plants had to be in a dark environment for 12 hours a day. When we explained that the IR cameras we were proposing used 850 NM emitters, with some visible light present, his research suggested 940 NM emitters would be required. Never verified his findings...just an FYI to those involved in this "growing" vertical market.

NOTICE: This comment was moved from an existing discussion: Is This A Good Way To Fully Cover 10,000sqft?

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