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thcreator, I really don't know, this is not the only comment he has ever made on lighting. From my reading up, it seemed to be the most common opinion, my Ed quote was just the first 30 second google I found by him on the subject. He certainly doesn't agree with the premise of your argument at least. But as Babystarbud said, we all have our own preferences.
I do 24/7, because all the literature I've come across recommends it.

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faithless Reviewed by faithless on . Why 18 hours works for me O.K here are a few reasons to run your veg 18 hours instead of 24. 1. You can run 25% more wattage for the same money. (so a 250w on 24 will cost close to a 400 on 18). 2. In a sog or perp harvest where your veg is running constantly 24 or 18 will have no effect on yield though it will have a large impact on electricity consumption. 3. It is simply more natural for the plant. To be fair I will say that if you have to run the same light for veg and flower 24 may speed Rating: 5