Led produces more visible light per watt, but the light doesn't just disappear. Tiny part of the light gets converted to plant mass, but most of it (/practically all of it) is absorbed by something and turns in to heat. Energy cannot disappear. It just changes form. Most of the heat leds produce...
Take small clones in flower. Give them very little light and only water. Rooting and reverting to veg will take a while and the clones will not really grow untill you feed them. You'll only need a tiny space to do it.
Candy kush. Only a few grams left in the jar. I didn't like this bud that much, but I do wish I had a bit more left as my Satoris are only just beginning to flower... Oh well...
Yes, I know, but they are two completely different things. Justifying bad things with: "those other dudes did a bad thing previously somewhere else" is kind of dumb. The whole scenario is quite different, but that is another topic.