New Grower How to Slow Vertical Growth?

Yeah I hear you on that, I like to go 24 partly due to the even temps but also just make sure they know they're 100% auto's lol and partly coz i need to get tube heater an thermostatic socket. Shouldn't cost me too much but I have rinsed out my spare cash for the moment and waiting for payments to come in. Once i got that sorted I'll go 20/4 and I see they all have so nice hairs showing, I'll give them a little bit of well deserved rest.
Any chance of seeing some pics , would be good to see how they are doing first hand so to speak.
Have yourself a good grow.
 
Sure man, I will attach three pics for you guys. Thanks for the ideas everyone, the pinching the stalk thing with switching to bloom nutes worked perfect on two of them, they haven't grown another inch since. The taller one still fought its way up another 2-3" so I had to try out some LST. The little one is being fed so shes not in these since I feed her grow nutes seperate.

The first is the before pic showing the one plant up in the damn light getting burnt like a redhead at the beach.

The second is the LST attempt I have made using twine with fish tank air hose I had for air bubbles in the water to be more gentle on the plant. EDIT:There is a string with hose on the bottom also to keep it from trying to uproot but it is hard to see in the pic, the bottom of the trunk is straight up.

The third is the after pic and it is looking nice...I think. The top flowering part of the tall plant is a bit lower and more in line with the other flowers on itself and the tops of the other plants.

A lot of the leaves are bent on the tips from pressing against the side of the tent, I turn them whenever I feed though so the same ones don't stay bent.
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They are looking fine to me V.

They will look a bit more haggard when you are working in such a small space,

It is like this sometimes

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Ha that pic of the cats is pretty funny and appropriate to how I felt about these things shooting up three feet in 1.5 weeks.

One thing I forgot to share that I learned for anyone looking to grow in coco is that it seems prone to weird little flies, kinda like tiny fruit flies. I don't have the flies in my house and had none of them in my previous FF Light Warrior grow at all. They showed up within a week of that coco getting wet the first time. The medium is B2 Professional by Aurora Innovations that I got at a local hydro growing store at the recommendation of the employees over buying bricks of coco, they sell a lot of it so I don't think I just got a bad batch. I found other people having the same issue on maybe this site and some others with any coco product with all sorts of different solutions. The solution for me was a product called SM-90 by Nutrilife. I mix it into the water with the nutes when I feed and it makes the coco smell good, it's coriander oil mostly I think. It is marketed as a wetting agent for farms but it got rid of those flies in a couple days and they never came back. The coco also had some funky white stuff on top the day after I would water, not anymore though with the SM-90 mixed in so that's nice too. The bottle says to only apply as a foilar spray up to three times total but mixed into the water applied to the medium it seems you can do it every feed.

EDIT: Forgot the worst part about those stupid flies, the babies are little root eating monsters! That is why my fourth plant is weeks younger, those things ate the roots off two attempts at germinating the fourth seed before the bottle shipped to my house. I saw the little worms crawling on my baby sprout so I took them off, next day it was dead both times with little flies crawling around in the coco....anyway...the bastards are DEAD now and have been for a month :)
 
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The main stalk of the plants started growing upward again right away going for the light bulb after that LST attempt so I took it a little further, and I am definitely doing this from the beginning next time like you said. I got some trellis netting from the plant store and made kind of a last minute SCROG attempt to get all the buds at the same height for correct auxin dispersion to make all the buds think they are the best one, thus they try and be the main cola. I think that is the idea behind this anyway mine is just bad timing but it is working great so far for what I have.

I reorganized some of the branches again right before taking this picture so it doesn't look quite as cool but they got longer so I could get better coverage by moving. In one day they went from all the taller ones being horizontal to them taking turns upward and seem to be loving the new scenario. The fan leaves mostly turned to face the light also. I tried to arrange them in a pinwheel type pattern so they go counter clockwise, the gap closer to the camera is where the shorter plant is but she is starting to grow fast now too so it will fill in soon. I will keep rearranging them gently every day as they get longer to keep them low until they stop growing up and just grow buds, should work out good. This is really fun to learn, can't wait to see what happens after a couple weeks of flowering now :)

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