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If you are a commercial indoor grower, taking advantage of a big, broad range - say 100 to 1000 square feet, which company and model of LED are you opting to go with this year, 2013?

The effects of fungi belonging to the genus Trichoderma on pathogen control and hyphal growth of Glomus mosseae and G. intraradicies have been looked at independently and together with contradictory results being obtained. Some reports (mostly in vitro) say that the endomycorrhizal relationship...

I seem to see two differing sets of directions from Subcool. The first (Subcool referring to the Super Soil): "Do not put seeds or clones directly in this mix. It is an advanced mix used in conjunction with base soil. It is used to place in the bottom of each finishing container and fully...

A mark of maturity in the industry, Marjyn Investments LLC signed with Teamsters Local 70. This is a milestone in the acceptance of labor within the medical marijuana industry. Please read rollitup.org's cover story: Marjyn Investments’ Workers Signed with Teamsters This has enormous...

I'm looking for schematics, or plans for a three-rail Aeroponic Wall System. The one's that are made from 6" PVC sewer pipe. I found this one but need something a bit more organized with schematics. Any and all links/replies will be sincerely appreciated.

For anyone who owns a Jardin - Are the printed dimensions for the Secret Jardin line of tents interior measurements or exterior measurements?

Is there a stage or age after which you wouldn't want to engage in either fimming or topping? Is there a number of times after which your diminishing returns makes fimming/topping (without training) a waste of time?

What is the shortest period that one has forced a crop under MH through the vegetative stage from seed? I want short stature and will likely do a simple FIM type of deal. Or will topping protract my vegetative stage, i.e. getting it to the point where it can and will flower? Thoughts? What...

If you were restricted to buying one comprehensive book on indoor growing, what would it be? What book do you consider to be the most helpful to the new grower?

Did T5 lighting systems prove worthy? It seems like folks stopped talking about them a year ago.

If your CFLs are self ballasted, does it matter which Socket Cord Sets you choose?

In terms of reliability, safety and overall quality, which manufacturer stands out as best? If need be, separate out answers for: 1. bulbs, and 2. sockets. I'm a novice looking for information on the Cool White (4100K) CFL bulbs and sockets for them.

Has anyone here or elsewhere tried a side by side test of whether the vaunted 430W HPS bulbs truly make a difference. Philips Son Agro and Eye Hortilux Super HPS Enhanced Spectrum are the two best selling. The only info I've seen is from the hour long 4-part High Times video on indoor grows...

Can anyone point me to a site or a youtube on how to best put together a Vortex inline fan + ducting system to cool HPS light (in reflector) with duct apertures built into both sides of the reflector? I'm not a handy-man.

I had considered placing an augmented 430W Philips Son Agro bulb in a 400W ballast. Is this a poor idea? Do I risk a short circuit and/or fire?

Greetings. Novice doing first medicinal blackjack grow indoors with FoxFarm Ocean Forest & Perlite around 2:1. Need to control aroma (and complexity) a bit so no fish bone meal, et cetera. Suggestion please on reliable brand(s); non-organic is OK: 1) vegetative 2) flowering Thanks people.

Starting a small, medicinal grow and I need a simple, reliable, low-maintenance formula for potting soil. If I have to do work on the composition, I'd rather do it now. I'd prefer no changes in the potting mix seed to harvest. Just give it filtered water for first two weeks and, of course...

Which ballast manufacturer is known for the best build quality and QC? Powerhouse lumatek Xtrasun Hydrofarm Sunburst Phantom PARsource other?

Many resources recommend that you stop fertilizing and switch to pure water during the final two weeks prior to harvest. I understand the telltale signs on the trichomes and hairs for when to harvest, but I do not know the signs two weeks prior. Can anyone educate me or point me to a link so...

Unable to find a 430W ballast, may I ask if it is sake and workable to plug a 430W Phillips Son Agro buld into a larger (600W) ballast? I've been looking for two days either in the wrong place, or 430W ballasts simply are not made. Suggestions?