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So I got an issue with a majority of the plants in my veg box. At first I thought it was heat, checked the temp and it was 90 in there, so I got a fan on it and now it's staying steady at 78. But they started getting worse. Take a look at the pics. There's the yellowing and browning leaves, and...

I don't know what I'm smoking, but... My threw a bunch of bagseed some sand near a creek late in the year. The plants got flooded multiple times, and when I got them to take inside, they were between 4-7 inches and had been budding for over a month in the shade. Super small, already stressed by...

I've heard it is not good to let roots get light. But then I've seen people's Hempy systems using 2 liters and they seem to grow fine. So how detrimental is it for the roots if they are exposed to light?

Tried to send you a private message to ask this, but maybe you'll see this here, or someone else can clarify if they know. In the Buds For Less book (which is freakin awesome BTW), you initially say you need 6 X 42 W CFLs. But you never clarified if or when you switched from 6500k bulbs to...

I was at Lowes yesterday, thinking about all the designs I've seen for top light ballasts using banks of CFLs, and was considering building one. Had the wood, plexiglass, fans, lights, extension cords, light fixtures. The whole 9. Then I walked by a 400 W HPS light and reality hit me. These home...

When spraying for spider mites (I've currently got a home cooked up spray consisting of habanero peppers, soap, and vegetable oil), I've heard to only do it when the lights are off or an hour or so before coming on. Any reasons for this? Can I do it with the lights on? Any adverse effects?

So I've got two things here that could be connected, but I don't think so. First is the white spotting on just a few of the bigger leaves. The second is the yellow spotting on a lot of the leaves. Maybe some sort of nut deficiency/burn? There's a third issue too, which started after I...

Getting ready to up-pot transplant. Thought about adding a sprinkle of rooting hormone in with my grow medium as I mix it, like I do the fertilizer. Using one part soil, one part perlite. Would it be beneficial at all to do this? Like would it promote faster/bigger root growth? Anyone ever done...

Well, not really "legal" but possession is decriminalized, and cultivation is charged as possession here. So up to 100g on the plants = $150 ticket... no criminal charges, nothing. Pretty stoked about that and a LOT less paranoid now haha

I was pulling my plants out the other day to water (grow in soil in a box with 6 42W CFLs) and trying to readjust the lights when the idea of having the plants turn themselves instead of changing lights around every day would be a great idea. Eventually conceptualized (what I believe would be a...

I'm planning on setting up a "2 sea" SOG that has forces clones into flowering every 30 days. So the first clones will be forced to flower, and 30 days letter another set of clones moved over to flower, effectively allowing me 12 harvests a year. My only worry is that the mother plant will not...

I've got a plant that was started outdoors, the genetics are pretty good and it's got a lot of qualities that I'd love to base an entire grow op around. The problem is that, as I said, was started outdoors, late in the season. By the time the friend who planted it gave it to me to save, it was...

What exactly is Hempy? Having trouble figuring out exactly what makes this different from any other hydroponic grow using household stuff...

Okay I do not own a magnifying glass or have access to the Hubble Telescope, so before you tell me that I need to get one and check to see if I've got amber trichomes, I can't and don't have the money right now. So with that said, how else can I tell if this is ready to harvest. The pistols have...

I have been amember here for years, since my first grow. But I'm technically a newbie, so I just want to say this place rocks and I'm really grateful for everyone here, and the knowledge everyone is willing to share. Huge Bengals fan, since birth. Reds, UC Bearcats. And I don't smoke too much...

It's been a while since the last time I grew. A friend of mine planted some seeds outdoors by simply throwing them in the sand next to a creek, in Late July. The plants grew, he did not get all the males out in time so some of them were fertilized. But he wanted me to take them and see what I...

Been having an issue with my plant, was told to post my problem here because i was not getting many responses under my grow. For basic info concerning the grow, here is the link https://www.rollitup.org/cfl-growing/278068-newbie-questions-his-setup.html I will re-post the pics here for all...

Got a question. Growing in a 1.45 square foot box. Currently have 2x23w CFL's, until I get paid. I plan on growing 2-3 plants in here. And the plant is to have 4x32w CFLs on a power strip that can move up and down on a pully system. Going to use 2 2700k and 2 6700k. Will this be sufficient...