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We're all going to face a big choice when the first dispensary opens, maybe as early as this August. Legally, each of us will be able to grow until our annual patient or caregiver card expires. After that, growing would be treated under the criminal code in Arizona, not the most lenient state...

What do lst, topping, fimming, top and prune, scrog, sog, stadium, vertical, and all similar indoor training techniques have in common? Why do some growers seem to do great with these techniques and others struggle to make them work? Are the lighting recommendations of 7,000 to...

There seems to be a lot of misinformation about how much co2 (carbon dioxide) is available to indoor plants, and how to think about whether and how much co2 to add if you decide to enhance co2. I took my calibrated co2 meter on a hunt for the truth. As an aside for newbies, don't confuse...

how we planned, built and equipped a flowering room for personal use only. 1. what is NOT covered in this tutorial? If you’re planning a flowering room with more than a single 1000-watt light, this is not the thread for you, because no one can smoke that much personally, we know...

i cannot claim original ownership of this idea - it was in the old growfaq - but since i don't think anyone uses it anymore, i'm gonna jack it for myself. it won't double the yield of someone already using advanced growing techniques but it is an easy way to improve on basic growing techniques...

has anyone heard of or experienced severe wilting when exposed to co2 at 1,000 ppm? it's definitely the co2 as i have gone back and forth three times with co2 and gotten the same results. and my co2 meter has been calibrated, is at plant level and is not having problems. strain is some...

... so, i was trying an experiment to do a 12/12 from seed grow. i was also trying to see what happens if you start off with the final pot size to avoid transplanting. and i am doing that in a room with a plant about three weeks from finishing. i am also trying co2 for the first time. well...

of course there's lots of bad info on the net but this is ridiculous. half of the sources say 3,000 lumens per square foot while the other half says 7,000 or more lumens per square foot is the right answer for weed. i always go with the higher number, but what about you? sources that say...

so i was sitting there trimming my harvest when my scissors got too gummed up to keep going. so, just like i always do i got the alcohol ready. but then i thought, wtf, let me take a look at that stuff under the microscope. it was almost pure trichome crystals !! three hours later i'm able...

vote for joe the plumber.. whose name is not joe, it's sam who is not a plumber, he;s a contractor without a plumbing license who would actually get a tax refund, not be taxed more who has failed to pay back taxes sounds like joe sixpack to me Joe in the Spotlight - The Caucus...

?????:fire::fire::fire::?:

mccain form his own biography after the 2004 election: "I didn’t decide to run for president to start a national crusade for the political reforms I believed in or to run a campaign as if it were some grand act of patriotism. In truth, I wanted to be president because it had become my...

so, here's how today went: laid around in bed this morning with maxdiscretion - good thing drove to growhouse to check on grow 1 and 2 - good thing had premonition of disaster about a mile from growhouse - bad thing checked grow 2 ...burned to a crisp at 122 f from ac ducting failure - bad...

hey team, just trying to guess how long i have left for this carmelicious grow of two plants at 6 and a half weeks. the pistils are about half brown on the more mature colas but the trichomes are all clear and pretty small. what ya think - i'm guessing 3 to 4 more weeks

so am i paranoid or is my fiancee reckless?? she wants to wear an "agrestic bakery" t-shirt around the house where we're growing. i say every leo on the planet knows about weeds the tv show and it is just not smart to advertise our hobby on our chests. she thinks i'm a doped up paranoid...

so i've seen so many questions on proper amount of lighting for flowering that i have worked out the attached chart (version 2). instructions for use 1. decide your target lumens per square ft - 3,000 if you want the minimum, 7,000 - 10,000 if you want the recommended amount, 10,000 + if you...

i'm seeing the posts timestamp as being 7 hours behind real time. have you guys switched to greenwich time?

sick and tired of republicans taking away my civil liberties so i'm going to vote democrat so i can change who takes away my civil liberties

How about a stickie to help answer the fan and duct sizing question for grow rooms and boxes? https://www.rollitup.org/indoor-growing/105926-common-air-flow-requirements.html and https://www.rollitup.org/grow-room-design-setup/105781-how-much-air-exchange-do.html

hey guys - i developed this for my own use, thought you might be interested. chart to come....