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I have yet to find (and I have searched plenty) any kind of evidence that shows clearly the difference in growth a plant gets in different types of light. I am not doubting that 6500k is prime for veg growth but I'd like to see why since I recently invested in 2 mh 6500k bulbs. So I'm looking...

So I decided to get a 250w metal halide bulb for veg and have been hearing that they are superior to the hps for the vegetative state. Does anyone know of any threads (I've searched many times) where there is evidence that metal halide is better (i.e. side by side comparison of metal halide vs...

I have a brand new 250w metal halide ballast that I got from 1000 bulbs.com and it came without instructions. Which cords do I connect to what? I have wires labeled as followed, 2 COMS, 1 640V and then one wire coming from the ignitor (which came preattached to a ballast wire so theres no need...

Hurricane Shade, 6" Diam X 14" H 9860477 | items from Wasserstrom

I understand that "Bake-a-Rounds" can fit a 1000w hps bulb but it barely fits, so venting it is either very difficult or impossible. I've heard people say that a 1000w hps inside one of these things is "not a good idea", but has anyone ever tried it and failed miserably? I haven't seen any...

About a week ago, I took a leap of faith and ordered 5 white rhino and 5 white widow from gypsy nirvana, I received them today and it turns out they gave me 10 white widow and 10 white rhino and 5 freebies of a Haze/Skunk cross which they told me about before I placed my order. This is...

Could a 2 liter coca cola plastic container be used as a cooltube? On my last homemade cooltube I used Polycarbonate and it was a ton of work, if regular plastic isn't too lumen absorbent, could it be used as the main shell of a cooltube?

So I am running my house fan 24/7 through my grow room to keep it cool. The DIY cool tube I recently built has significantly decreased the heat in the room and has eliminated most of the need for air conditioning. (its been hot as hell outside, around 80, so outside air and my 400w tends to...