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as early as 1957 Robert Emerson (Emerson Effect) was doing pioneering research that showed when plants are exposed ONLY to wavelengths above 680nm or ONLY to wavelengths below 680nm the rates of photosynthesis was fairly low
4 Big Red 150 Lightbars (480W Driver): 1320 PPF
1 set of Eye Hooks (used to Hang the lightbar)
Use on non-Pro Line lights requires an external 12V power supply (not included)
Pro Line LED Grow Light Waterproof M15 240VAC Power Cord (8 feet) as early as 1957 RobertThe Pro Line Waterproof M15 240VAC Power Cord replaces the 120VAC power cord on your Pro Line LED grow light with a simple screw in adaptor allowing you to run your light on 240V circuits.
