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Old 10-11-2017, 07:28 PM #1251
Piston Pete
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@HGO and other's

After a long hiatus it's Piston Pete again here

I've switched things up a while ago and I now have a new setup (120cm X 240cm) with 2 x Gavita Pro 1000DE Lights. I have 8 x 65l containers. Each container has 5 plants. I veg them for about 3 weeks before flipping. I used to use smaller containers or pots (6,5l) and multi-fed them which has worked wonders, but I hated having to deal with so many pots.

After a long hiatus I now have a new setup and I would like start multi-feed again, but then in these larger containers. I read that you and many others say that it doesn't make sense to use larger containers and do multi-feedings per day.

Does this still stand when you have more plants in one larger container? If the container is 65l (60/40 coco/perlite) and has 5 plants in it, that would give each plant about 11l of coco.

Is this already considered to be too much medium? Would love to hear your thoughts...

PP
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Old 10-12-2017, 07:39 PM #1252
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Just my two cents,
I tried multi plants in a large container, 6 plants in a short molasses tub, about 15 gal, did not work for me. As the plants got bigger they crowded each other too much. To get even watering throughout the pots was a pain in the butt. Used both drip and hand watering.

Again just a thought,

That would be a great grow area for a 16 to 20 plant vertical grow with screens, light movers or 3 sets of stacked 315's, in coco DTW. You would kill it my friend. Guess I am just putting forth my dream room. Wish I had that space.

I know you are into your grow already, and good luck to you.

GR
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No vertical this run, LST in coco
https://www.icmag.com/ic/showthread.php?t=338099
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Old 10-13-2017, 03:34 PM #1253
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I use 2-4 plants per 3 gallon pot and it works great! Multiple plants reduces my veg time greatly. With two plants per pot you can get the same amount of plant mass / number of nodes with less height in half the time.
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Old 10-13-2017, 04:16 PM #1254
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Originally Posted by GoneP View Post
Anyone have experience with drippers over a layer of play sand? maybe half inch to an inch or so. been battling a bad fugnus gnat infestation last few grows and the sand has stopped that but I'm in veg and hand watering for now, was wondering how the drippers would play with the layer of sand. They are black hole drippers btw.
If you use pea gravel and window mesh - like this and you can reuse everything.
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Old 10-14-2017, 12:07 AM #1255
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Originally Posted by gr866 View Post
Just my two cents,
I tried multi plants in a large container, 6 plants in a short molasses tub, about 15 gal, did not work for me. As the plants got bigger they crowded each other too much. To get even watering throughout the pots was a pain in the butt. Used both drip and hand watering.

Again just a thought,

That would be a great grow area for a 16 to 20 plant vertical grow with screens, light movers or 3 sets of stacked 315's, in coco DTW. You would kill it my friend. Guess I am just putting forth my dream room. Wish I had that space.

I know you are into your grow already, and good luck to you.

GR
Hi GR866, thanks for your thoughts.

Up until my current grow I always used to put my pots on Danish tray's and scrog and LST them. Which is still my preferred method of growing, however... At some point it got a bit too hard to proper train them as I couldn't reach them anymore because of the screens. Same goes for checking the drippers...

Back then I used to run 18 x 6,5l pots. Funny you mention the lightrail as I had thought about it for this current setup. But after calculations and talking with people we found the 2 x Gavita PRO 1000DE, boosted to 1200w would be equally as good, if not better for this space, as opposed to a lightrail. (In terms of coverage).

Also not sure about the noise they make.(If they make any actually.) Lightrails deffo have my attention. Maybe if I can ever size up to a 3.00m X 1.50m grow-tent

The grow before my current grow I had put 5 plants in 17 gal containers and only used half of my tent as it was summer, so the other half I used for the AC and what not. 4 x 17 gal containers on effectively 1.20m x 1.20m, hand-watered with 1 of the Gavita's above it.

Those plants suffered badly from thrips and didn't perform as well as they were supposed to perform and I yielded about 500gr from 20 plants. Which were clones I took from my mother plants and only had 10-14 days of veg after rooting. Mainly because afraid of what you mentioned... that they would grow into each other. They didn't as I could bend/bind some more to the sides to open up the canopy a bit more.... I grew Critical+ 2.0 by Dinafem. A strain that supposedly only needs 49-56 days to finish to produce around 600gr per sq/m. Mine actually finished after 7,5-8 weeks.

I'm growing the same strain now, again from my own clones, this time without thrips or any other critters, again hand-watered. I'm about 1,5-2 weeks from harvest now and thinking if I would get more vigorous growth in veg (planning on vegging longer now) and bigger buds if I start multi-feeding again as opposed to hand-watering.

Just not sure what my watering schedule would look like. With hand-watering now, I give them 1L per plant (5L per 17gal container). I need at least 2x that amount to have a little bit of run-off I've noticed. But I then don't have to water them for days, if not a week, if I would like to run dry/wet cycles. Should I then for example multi-feed the plants that one time per week till run-off, or on a more regular base? I deffo don't want to "drown" them, but I think if multi-feeding is a viable option I would have best of both worlds, for me at least.

You say it was a pain in the butt to get even watering throughout the containers... was that due to the fact that the drippers were far apart from each other? Because I was actually thinking (hoping) to get more even watering throughout the containers by using drippers...

Thanks again for your thoughts. Hope you get to build that dream-room of yours in the future ;-)
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Old 10-14-2017, 12:11 AM #1256
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Quote:
Originally Posted by beta View Post
I use 2-4 plants per 3 gallon pot and it works great! Multiple plants reduces my veg time greatly. With two plants per pot you can get the same amount of plant mass / number of nodes with less height in half the time.
What kind of strains do you grow? Because I always like to keep my plants on the low/small side. And how were your yields with 2-4 plants per 3gal? For me the size/diameter (⌀60cm) of the 17gal containers were the main reason for me to go for them, as exactly 8 will fit my tent perfectly and I only need 8 "pots" for 40 plants. I just can't veg any longer than 3 weeks I'm afraid before it will eventually become to crowded in the containers.
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Old 10-14-2017, 03:06 PM #1257
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Pete ... How many flower cycles do you get a year?

With a 3 week veg smaller pots will be perfect, nothing bigger than 3.5l or 1USgal

One plant per pot, you can get 8 plants comfortably around a vertical 600W which should put out 2 oz per pot from seed or at least 3 per pot from clones

If you grow vertically then you can control the plants size
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Old 10-15-2017, 11:33 PM #1258
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Pete ... How many flower cycles do you get a year?

With a 3 week veg smaller pots will be perfect, nothing bigger than 3.5l or 1USgal

One plant per pot, you can get 8 plants comfortably around a vertical 600W which should put out 2 oz per pot from seed or at least 3 per pot from clones

If you grow vertically then you can control the plants size
Hi Bush Dr... thanks for your input. I'm getting about 5-6 flower cycles a year. However, I'm not looking at changing my setup, the real question here for me is whether it would make sense to use multi-feeding in these large containers.


My current setup/grow looks like this (top-view).



The 5 little squares on each side are 10 x 6,5l pots with the same plants. I could fit 8 of those large containers in there, but figured that this way, it would be easy to reach the plants in the back, by taking out a few of those 6,5l pots whenever I needed to be in the back. This run has been completely hand-watered. (this run should be done by the end of next week.) Looking at both the plants in the smaller pots, compared to the ones in the larger container, I don't see much difference in terms of plant-size, bud-size or anything for that matter.

Was just thinking that this run is already not going too bad. Guessing around the 1000gr/1KG this time around. But always looking to improve on the previous run... Hence me wondering if it would benefit me, or the plants actually by switching back to drippers and multi-feeding as opposed to the hand-watering I've been doing this run...

Would love to try vertical growing some day, but gotta do what I do using the setup as is for now.
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Old 10-15-2017, 11:38 PM #1259
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For some reason my picture did not load in my post and I could not edit my post. So here goes another try ...

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Old 10-16-2017, 02:10 PM #1260
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Multi feeds will give you bigger flowers
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