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Old 11-18-2019, 11:54 PM #1
Ichabod Crane
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LED vertical scrog

I thought I would start a new thread on vertical scrog. I will be using LEDs to light it.

Here is a picture of one of my scrogs done with LEDs.



Here is why I do vertical scrogs.

First is plant limits. I only have so many plants that I can run so I run big plants. I dont flower them till they are over 5 feet tall. And I like them more around 6 feet tall. Shorter if they stretch a lot and taller if they dont.

Second I like to mix strains. Since I am running bigger plants I get a lot of the same type of bud. So I like to mix them to get variety. I can mix stretchy plants with ones that dont stretch as much. This is because I can tie them back to the screen if they get to close to the light.

Third it is just easier to look at. I like the fact that I can stand in front of a plant and look up and down the entire plant. Much easier than bending over or kneeling down to look under it. And more likely that you will see any problems quicker.

Last it is easier to work on. I can stand in front of it and work on the top or I can sit on a bucket to work on the bottom. Plus there is no reaching several feet in to the plant to do what you need to do if it is flat on the floor or a table.

Now there are some draw backs.

One is it takes me a lot longer to get the plant to the size I want. You assume a lot of risk if some thing goes wrong in that amount of time.

Second it is a whole different type of growing and takes some skill to do. Nothing that you cant learn though.
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Old 11-19-2019, 12:16 AM #2
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OK lets look at the set up.

In my vertical scrog thread I go over how I build my screens. It is nothing difficult to do. Just click on the link in my signature and you can see how they are built.

When I ran around a bare bulb the tops of the racks are held together by a piece of pipe. These pieces keep the racks from falling over when the buds develop.

Now with the LED I am running flat against the wall so I can not use these pieces of pipe to hold the racks up. To keep them from falling over as the buds gain weight I had to come up with a different way. What I settled on was a eye screw in the wall and some clips. I just clip the rack to the eye screw and problem solved.



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Vertical Scrogg
https://www.icmag.com/ic/showthread.php?t=242646

LED vertical scrog
https://www.icmag.com/ic/showthread.php?t=368036

From start of cloning to harvest 13 week scrog
https://www.icmag.com/ic/showthread.php?t=314837
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Old 11-19-2019, 12:24 AM #3
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The next thing I had to do was figure out the lighting.

I designed and built these lights. Each one is 192 watts.



They are easily connected together with angle aluminum. So I can run one two three or more together. I can also turn one on and off by unplugging it. This means I dont have to fill the entire wall. I can run one plant or more.

I hang the from the ceiling on some black pipe. This allows me to slide the light away from the plants when I want to work on them. Or if the plants get bulky I cant move the lights away a little.



The light clips to a ring nut connected to a piece of PVC pipe that slides on the black pipe using a ratchet hanger.



Here is a picture of the parts needed to hang the light.



Now like I said the light is running at 965 watts.

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Current thread Karma Genetics Chem Tini and Rado Z testers
https://www.icmag.com/ic/showthread.php?t=376104




Vertical Scrogg
https://www.icmag.com/ic/showthread.php?t=242646

LED vertical scrog
https://www.icmag.com/ic/showthread.php?t=368036

From start of cloning to harvest 13 week scrog
https://www.icmag.com/ic/showthread.php?t=314837
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Old 11-19-2019, 12:30 AM #4
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Next is the room set up.

I am using the same rooms I use in my vertical scrog thread. They are 5x7 and 8 feet tall.

On the left side is a vent pipe going out of the room to a fan and carbon scrubber. It changes the air over 2 times per minute.

On the right side is my air intake.

In the center between the two is a fan mounted above the door.

You can see the fan just barely clears the lights and the slide bracket. I will also put a fan on the floor. You can see it to the left in the next picture.

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Vertical Scrogg
https://www.icmag.com/ic/showthread.php?t=242646

LED vertical scrog
https://www.icmag.com/ic/showthread.php?t=368036

From start of cloning to harvest 13 week scrog
https://www.icmag.com/ic/showthread.php?t=314837
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Old 11-19-2019, 12:32 AM #5
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Later I will get some pictures up of the plants I will be running.

The strain I will be running will be Hammerheads S-1 CBanana. It will be a straight run of three plants. It is very popular and so I can do all three of it and not worry about having ton much.
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Current thread Karma Genetics Chem Tini and Rado Z testers
https://www.icmag.com/ic/showthread.php?t=376104




Vertical Scrogg
https://www.icmag.com/ic/showthread.php?t=242646

LED vertical scrog
https://www.icmag.com/ic/showthread.php?t=368036

From start of cloning to harvest 13 week scrog
https://www.icmag.com/ic/showthread.php?t=314837
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Old 11-19-2019, 01:14 AM #6
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Real nice work!
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Old 11-19-2019, 01:34 AM #7
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I have just finished tying the first plant to the screen.



Here it is before I savaged it.



Here is what I trimmed off.



This plant was overgrown and trimmed to branch out. So a lot had to be discarded.

Here are the next two to be tied to a screen for this run.

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Vertical Scrogg
https://www.icmag.com/ic/showthread.php?t=242646

LED vertical scrog
https://www.icmag.com/ic/showthread.php?t=368036

From start of cloning to harvest 13 week scrog
https://www.icmag.com/ic/showthread.php?t=314837
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Old 11-19-2019, 01:50 AM #8
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It took me 45 minutes to get the first plant tied to the screen and trimmed up.

Lets talk about that in a little bit of detail. I like to take a bunch of the plant off when it goes into flower. I like to do this because it causes a in balance between the foliage and the roots. The plant will want to rebalance itself out. To do that it will need to grow the foliage back that it has lost.

So the trick is to focus that growth where it will produce the most buds. Not just any buds. We want quality buds. Those dont come from weak branches or all along a branch. They come from the branch tips of good sized branches.

With that in mind when I trim I will trim any branch that is not at least 1/4 the size of the branch it comes out of. I also will trim any bud sites along that branch and leave only the last bud site.

Lets look at a branch. We will look at this branch.



Now this next picture will show the lower part of the branch has the bud sites removed. The bottom two branches show this.



This next photo shows the branch taken from the bottom right in the picture above. Look closely and you will see all the nodes except the very last tip node are gone. But all the leaves are still there.

I left the leaves because they will feed the growth that the plant will do. Which is just that last growth tip. Most bud sites have just one fan feeding them this branch tip has about ten. Which bud will be bigger? The one with one fan or this one.

Did you every wonder why the buds by the main stem never develop? It is because that one fan is not getting much light because it is shaded. That will not be a problem when you have this many leaves feeding just the tip.



Now lets look at the top of the branch. There are a lot of branches that fit the criteria of at least 1/4 the size of the branch it comes from. But in this case they will shade each other. And I only get one fan per bud site. So not what I want.

In this case I will select a decent sized branch about four nodes down from the tip. I will take all the buds sites to just the tip of that branch. I also like to do one on the other side of the branch as well. You can see this in the picture below. Notice I left all the fans above the two lower branches.

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LED vertical scrog
https://www.icmag.com/ic/showthread.php?t=368036

From start of cloning to harvest 13 week scrog
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Old 11-19-2019, 02:03 AM #9
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OK so now you have a trimmed branch what do you do.

We need to tie it to the screen. I like to use tomato clips. The are quick easy and reusable. They can be soaked in a cleaning solution or run in the dish washer.

So using the clips I clip the branches to the screen. I need to spread the plant out on the screen. To do this I bend the branches where I want them to be.

Some times they snap instead of bending. To help stop this I snap the inside of the branch. This is simple to do. Place you thumbs on a branch or where a branch was. These branch sites should be next to each other. Then just give the branch a twist till you hear a snapping sound. If you do it right it will leave the outside undamaged.

The out side is where the food comes up the branch not the inside. Now to get the branch to bend you may have to do this to several adjacent bud site on a branch. Once you do this it should bend fairly easy. If it dont try snapping it again or doing more bud sites.



In the above photo you can see the black tomato clips I use. You can also see a pretty good bend in a larger branch. This branch was not very pliable.

Also notice the branch coming off at the top of the bent branch. I like to save a few like this to fill in the screen. Other wise I have a mess of 2 or 3 foot branches with just one growth tip. I dont like to save the branches on the inside of the curve though. They will have to just be bent over the bent branch in most cases and will require extra clips.

So where do I like my branches. If you didnt guess by looking at the above picture most are in the center of the screen. If they all run along the edge the center would be bare and they would be crammed into the branches coming from the plant next to it.
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Vertical Scrogg
https://www.icmag.com/ic/showthread.php?t=242646

LED vertical scrog
https://www.icmag.com/ic/showthread.php?t=368036

From start of cloning to harvest 13 week scrog
https://www.icmag.com/ic/showthread.php?t=314837
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Old 11-19-2019, 02:17 AM #10
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Now you are saying OMG you just took all your bud sites and you wont get any thing at harvest. Well that simply is not true.

Here is a picture of the last harvest I just did this week end where I stripped every bud site but the last one. All these colas are done like this.



So in case you are wondering here are the weights of these colas.
8.61
8.63
11.04
14.29
15.14
17.2
19.0

And all these grew from just one bud site.

Here is the tip bud from the biggest cola.



Here is what the 19.0 gram cola looked like before I trimmed it and weighed it. It is sitting on a 14 inch pot tray.



So for most plants this will work. There are a few that will not grow in flower. One is Golden Goat. If you do this you will seriously harm your yield. But for most strains this works.

Now lets look at another reason to trim all but the last bud site. It will give you bigger buds to trim which will make your trimming much easier. It will give you larger buds that are worth more.

Look at this picture and tell me which was easier to trim. The one on the right had two nodes left and the one on the left had five.

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Current thread Karma Genetics Chem Tini and Rado Z testers
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Vertical Scrogg
https://www.icmag.com/ic/showthread.php?t=242646

LED vertical scrog
https://www.icmag.com/ic/showthread.php?t=368036

From start of cloning to harvest 13 week scrog
https://www.icmag.com/ic/showthread.php?t=314837
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