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So I'm still debating how to vent this setup best.. I just wanna be sure this will work. I'm doing 2 8x4 trays under 4k. My dilemma is that I'm not sure if I should go two 8 inch inlines doing 720cfm each.. One before Y adapter, and the other on the other side closer to the other. I'm trying...

I'm wonder if using a can 8"High Output737 CFM fan pulling air from outside into my lights is enough.. I have the lights over 2 8x4 trays. on the side furthest from the fan I want to put in a Hydrofarm 8"inline fan that does 477. This drawing is a pretty rough outline but it captures pretty...

I'm using Bountea for my feed. Pretty sure I locked out N on the Grape Apes because I feed them more molasses than they liked. 2 tbls a gallon, 3 times a week So 4 of my plants are showing N def, I need a quick way to get some nitrogen into them organically. Any suggestions?

Hello, so over the last couple weeks I've noticed my plants getting yellow. I realize this is pretty normal. HOWEVER, my Grape Apes seem to be experiencing some other problems, and I'm beginning to think it's overwatering. The funny thing is all the plants are on the same schedule, the...

So I'm growing 14 plants total. 12 are in a pots in a greenhouse, and two are in the ground outside basking in the full glory of the sun. So I've been feeding these plants Bountea, with some LK, and Molasses. Everything is going pretty well, except in the last week or so the plants have been...

Hmm, I was wondering why no one was replying to my journal. Is that because I need to post it in here? I dunno. Here is the link (https://www.rollitup.org/grow-journals/445043-greenhouse-grow-3-strains.html) though, feel free to comment all you want.

Hi, this is my second greenhouse grow first one sucked for a couple of reasons, one the strains I ran where shit, the second I kind of half-assed it, it was hot as shit in their, 100+ easy, I also used almost no ventilation, just rinky dink window fans for top vents. This year I'm using a...

I need some help with venting my greenhouse better. It's a Post and Rafter design, and measures 8x16x10. Last year I just had two rinky dink window fans one pushing air in while the other pulled in air the side bottom vents were never opened and the door always stayed close. Needless to say...

I recently got 12 1-2 foot tall plants that I've set outside in my greenhouse in Colorado. Right now I'm getting 14 hours and 56 minutes of daylight give or take a couple seconds. Last year I did this but the plants had been set out in May, and flowered in mid august. I'm worried this time...

So here is my plant.. Originally this plant was going to be a mother. However, I've decided this thing got waaay to big for my needs. It's either a Master Kush, or Aurora Indica. I'm pretty certain it's AI. I have 3 airstones in there right now, the root mass is huge, I need to change the...

I have no idea what caused to massive drop, I sprayed Neem oil on the plant and I'm thinking it all percolated down into the bucket? Anyway I don't think the plants were in the solution for more than 12 hours at the most, the plant looks terrible though. The main stem at the top is all kinds...

I got my clone from a friend who got spider mites a couple weeks after I got the clone. I sprayed with neem oil, the plant at the time had small marks. Now they are worse! I'm not sure if this is a bug problem, or a nute problem, I'm leaning nute because a close inspection didn't show any...

So I just noticed two of my plants have hermied. Strange it's only two since the entire grow are clones. Anyway, I'm right about at 6 weeks. I only noticed 4 banana's between the two plants, they didn't appear to have opened. Looking at the rest of my plants closely I don't see any other...

So I noticed when I opened my tent yesterday that about 4 of my bigger plants looked like crap, leaves dropping, etc. Classic underwatering signs. I noticed the rockwool cubes were VERY dry. Upon closer inspection I noticed my digital timer was completely broke. After watering them they...

I posted a couple weeks ago about some yellow leaves, well the plants are yellower!:o I'm not super panicked though, I'm pretty sure they'll survive to 8 weeks but I'm wondering the cause. Some background. They yellowed up before I put them into flower, I figured it was because I did a super...

Sadly I noticed Powdery Mildew on my plants a couple days ago. I noticed it awhile ago on one plant but I had just transplanted so I didn't think much of it, cause I'm a total newb and didn't even know what it was until I read the grow bible. Anyway, I went to my local grow store, and the pro...

So I'm using Botanicare Pro Blend Bloom, Cal Mag. Hydroplex, and Liquid Karma. I'm using about 50 % strength. They were looking good for about 2 weeks then this started happening to the bigger plants, I started introducing CO2 pretty heavily, so I'm thinking I just didn't add enough cal-mag. I...

Okay, so I just built this cloner, I've never cloned before, I just got the mothers big enough to statr cloning like crazy. Anyway, I'm using a small amount of Pro Blend Pro Grow formula as a nutrient(about a tsp/gal), I'm juicy roots on them just after cutting. It's been close to a week...

So my Uncle and I are growing plants, he is doing better than me.. He started sooner, but his new batch seems reallllllllllllllllllllly tall and weak.. I noticed some of the branches I could almost like squeeze together, like spongy. These plants are inside buckets, and inside a 8 foot tall...

So I noticed these little things popping up on some Aurora Indica's plants I have in veg.. They're about a month and a half from seeds. Am I right? This is my first time trying to determine sex of a plant.