in the name of science let’s look at grow light outputs! now all of the grow lights (and natural lighting) shown are “full spectrum.” I do not have a PAR meter so I cannot say that with 100% certainty, but that is what they are advertised as. Foot candles (FC) is a relative measurement of light intensity, and really only relevant if the light is full spectrum (for plant growth sake). It’s a somewhat general term, but in this case can show the output difference of full spectrum LED grow lights. I