A few of my friends have asked time and time again how i get my plants to grow so quick , consistent, and with such strong root structure so quickly. so i figured i would share my (i'm sure not original) but my own design of a grow bubble. the biggest complication i had growing in the past was controlling the environment in larger grow spaces, i.e. closets, box's, tent's, ect. once plants got larger. i use to grow them 5 at a time which was way more than i really needed. so when slowing down to growing 1 at a time from seed not clone i realized i had the opportunity to almost fully control the baby plants environment. Attached are pics of what i devised and it has worked like a miracle machine every time. used this same one for 4 grows now until the plants top 4 inches, and are transplanted. at which time i use a larger arrowhead 3 liter bottle which works until the plant tops 8 inches. (which is usually only two days from transplant) The bottle dome allows me to control CO2 levels, ensure they are kept around 1,300 thru 1,500 ppm. as well as maintain a consistent temp. my meter died last month, but i have done it enough to know the recipe for those levels. and temps. There is a square hole cut in the top of the bottle at an angle, it has a piece of ziploc bag taped over it but allows me to open and close the hole for venting, when i am home i have an egg timer set for 2 hours. i open the flap and the fan blows in complete fresh air and does a 100% exchange in less than 5 minutes. other than that with the holes in the side of the bottle and the mini fan it is a total air exchange every 5 hours according to the meter when it was working. when i am gone i set the fan on low and there is a total air exchange about every 3 hours with the flap open. i always use the same starter container for the seedlings, and quite literally let the root structure consume the cup. at about 4" the plants become borderline root bound. at which time i transplant them to their 8X8X8 planter where they spend the rest of their life. i repeat the dome process with a larger clear bottle over the plant until it grows out to the bottle dimensions. the roots take off when transplanted and the plant usually shoots right up to desired topping size in only a week or two once i take off the bottle. while under the bottle i feed high nitrogen food every 3 days and water once a day until the transplant, then high nitrogen food every other day and water once a day. As for light, weather you believe it or not i couldnt care. i am going to put an end to the decade long debate. starting with a very simple FACT........ Cannabis is a WEED, therefore it will almost grow to spite you. people spend hundreds of dollars a year in their garden to kill weeds because they are such survivalist plants. I have used almost every light out there over the years, spending thousands trying everything. LED, HPS, CFL, even used regular 100 watt bulbs before. truth is, the yield per plan has never been more than a few grams different, and i have grown hundreds of plants over the past decade. so take it for what you want, argue amongst yourselves if you like. but i trust the results of over 100 grows a lot more than everyone speculation. At current i use a 24/7 regimen of cool blue CFL's usually 23 watt when i find a good deal on them. 3,4,5 lights, dosnt really usually make too much of a difference, at times i will plug in one of my mini led strips with the cfl's just for kicks and giggles. again, dosnt really make too much of a difference. once i top the plant i usually stay on 24/7 for about a week still. then do a full 3 days of bitch black darkness with just the fan on (no co2). and by pitch black i mean, covered in a black trash bag with only 2 holes for air in and out. both holes are always covered with black foam. to prevent light. then i switch straight to 12/12 for light. last two days of veg i shut the lights off and whatever light that gets in the room is what they get. start of the final two days i do one final full flush of the root system. then harvest. So there you have it, my home made grow bubble system for better control of the plants environment, thinking about making a little bit larger "bubble" system out of lexan with the lights inside the bubble to avoid the diffusing of the light through the bottles. will post if i do and let you know the results and post pictures of the build.