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So 23w/sq ft? That's rad. Love to see those low wattage grows kicking ass.

So if you run across a strain that pushes all the right buttons, you can't hold onto the genetics? Bummer, man. Then again, I guess that means every run will be a surprise, so that's cool.

Do you always grow from seed?

Damn, that's a lot of light! Hope you find you're able to make use of it, but damn... That's a lot of light!

I'm not arguing either. Just unconvinced.

I'm not convinced that would be of any more value than straight 3500k or 4000k. But it would be interesting to see a real-world comparison.

I wouldn't. In that space I'd be running around 175 watts.

If I recall correctly, the efficiency difference is around 8%? Someone else will probably chime in with the official numbers.

Beautiful work, as always!

Yield-wise, watt for watt, modern white-light LED will outperform either HPS or CMH. They are unequivocally more efficient, and therefore provide more light per watt than HID. The heat doesn't depend on the lighting technology used, but rather the total wattage, and your extraction setup. A...

A single 288 will run at 150 watts all day.

I so need to do this. Right now I have a double layer of plastic sheeting partitioning off a 10x15 area. Surprisingly, it keeps the garden 15 degrees warmer than the rest of the basement, but that's still not enough in the dead of winter. Don't want to heat the whole basement, so framing a...

I've been contemplating something very like this. How did you set up the 12x9 area? I presume your basement is unfinished?

Preach. Michigan basement grower here as well. Environment is the greatest challenge.

Just seeing pics of that kind of defoliation makes me nervous. But whatever works!

Do tell.

Fan boying?

As the buds on the left don't seem to exhibit the same traits, one could make a case for genetics.

Do you mean this? https://www.amazon.com/ALOTOA-Waterproof-Junction-Connector-External/dp/B06XPTV45F/ref=mp_s_a_1_52?ie=UTF8&qid=1529959511&sr=8-52&pi=AC_SX236_SY340_QL65&keywords=waterproof+junction&dpPl=1&dpID=412iQWrpi9L&ref=plSrch

You're absolutely correct; you don't need anything near 315 watts for a 2.5x2.5. I grow in 31"x31" tents, so nearly the same space you're dealing with. I have never needed to run my lights higher than 150w in veg, and I get very rapid, healthy growth (provided the other factors - such as temp...