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I've been running some coco filled pots in a top-fed drip system, using trays as a catch basin. I have an active pump-out system for the drainage that moves the waste water into a central sump, then down the drain. My issue is that the coco that spills out of the pots (either through the drain...

I am setting up a 7kw flowering room for a medical grow and would like some feedback on the ventilation design. The climate in the area is moderate, average temps range from highs of 50 in the winter to no higher than 80 in the summer months. And because I am a bit shy on power in this space, I...

I'm moving to Santa Cruz soon, and of course would like to have a garden there. I live in California currently and have been a medical patient for some time, and always stay within the limits. I don't really want to have to deal with a shady grow room in a rental and end up getting kicked out...

I do not live in San Jose now, but I am thinking of moving there. Does anyone know what the legal limit for cultivation is there? I've looked online and all I can find is "no established limits." That can either mean grow as much as you want, or that it's simply the state default. Oh well I...

These bulbs are metal halide with very extended red and blue spectrum so they should be great for flowering. Less efficienct than a HPSof course, but I'm thinking the active blue spectrum and extended red will actually provide more useful lumens to the plant than an equivalent wattage HPS. ANy...

Tesla is the bomb! We owe all our grow rooms to him (he invented AC electric current). But he had even bigger plans! See what they were: http://video.google.ca/videoplay?docid=3910509932361660298&ei=X7QUSo3DCJW4qAPxubG7CQ&q=3910509932361660298

This will be for venting two 600W HPS bulbs and one 1000W MH bulb (all in cooltubes). My main concern is noise. Doesn't have to be "silent," but also can't sound like a jet engine, you know? How's this one? http://www.htgsupply.com/viewproduct.asp?productID=52583 Can I get anything quieter for...

So it seems everywhere that people agree your buds will be fluffy if you use T5 bulbs for your flower stage. I'm wondering why this is? Is it because people aren't using enough lights when they use T5's? Or is it for some other reason? I'd really like to get to the bottom of this on curiosity...

I've been building my own T5 fixtures lately, which are perfect for cloning/vegging since they give good light and have very low heat, meaning you can keep them closer, reducing inter-node spacing and leaving you with bushier plants. It also cuts down on the height you need since the fixture is...

Hi fellow growers! I'm thinking about trying a small aero setup for kicks, but after doing a bunch of research there's still one major question I have - Does the pump run constantly or in bursts? If it operates in bursts, what's the timing? Thanks!

The strain is blubonic and the growth medium is coco. This is my first grow as well. I germed the seeds in a wet paper towel and they all worked fine. I thought I'd skip the rockwool cubes and go directly into the small 500ml coco crouton pots, so that's what I did (this was probably a...

I stopped by my local harbor freight store to get some tools and such, and they happened to have a big CFL clearance sale. They were 23W CFLs for just 30 cents each! I bought about 30 of them, cost me ten bucks for the lot - 45,000+ lumens for $10! You can find your local store here (or just...

Hey, Im ready to build my grow cab and I thought I'd get some last minute suggestions from you pros before going out and getting the wood. The goal is to grow and flower 8-9 (smallish) plants in this thing. There will be a system of PC fans taking in air at the bottom through a carbon filter...

OK, ready to get my first grow going. Does this look correct? 1. Get seeds 2. Germinate seeds 3. Transplant into small pot 4. Begin watering with nutrients 5. Move into bigger pots as plants branch out 6. Continue maintaining plants for ~8 weeks as they grow 7. Once well-vegged, swap to 12/12...

Hi, I'm really interested in seeing some direct comparisons between the same strain grown under different combinations of lights, growth medium, nutrient regimen, light cycle, ambient CO2, etc. This would allow us to see what combination produces the best results. Does anyone know if experiments...

I'll be using coco as a grow medium for my first shot at this, I understand it as somewhat of a hybrid technique between hydro and soil growing. I was wondering what nutrients would be good to use and when for this type of grow medium. I'd also like to keep things as natural as possible, meaning...

http://www.1000bulbs.com/Neolite-Compact-Fluorescents-5000-Kelvin/33489/ One of the best lumens per watt and prices I have seen for full spectrum CFL bulbs. Works out to 65lm/W which is a lot better than most other CFLs which are around 45lm/W. I have bought from the site before they are good...

I'm thinking about developing a bank of lights located outside the grow room that is water cooled and then transmits the light into the room via fiber optics, which are pretty cheap if you find a good source. This way the entire room can be sealed and there doesn't need to be any fans making...

Claims 140 lumens per watt: http://www.switched.com/2008/03/25/inventors-create-pill-sized-bulb-thats-brighter-than-a-street-l/ The spectrum is very good, nearing daylight. Lifetime 30,000hrs not bad at all. Here's their site: http://www.luxim.com/ Now how much does it cost!?

Ok, so I've never grown before but I live in San Francisco and was thinking about growing a few plants for personal use. Before I start growing I will be prescribed a med card which, as is my current understanding, permits the following under prop 215: 12 plants total, six of which can be...