LED: what gram/watt is reasonable here?

kdt15

Active Member
i recall for gavitas, their barometer for a very good grow is 1g/w, with the downside that they use more energy/heat

for good LED's what was the expectation? 1g/w would not work here since led's run less wattage due to higher efficiency.

i think ive seen 1.5g/w used here but not entirely sure.
 
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