Thanks Rhino! I mixed a lot of perlite into the FFHF, getting close to the 40% that ResDog recommends. When I watered from the top on transplant I heard the res fill pretty easily so I don't get the feeling that the soil mix was too dense. I run FFHF straight out of the bag for my cloth bags and this SIP mix was much more porous.

Well, we're learning at Shed's expense. Thanks Shed! lol.

I too have experienced stalled plants when transplanted late. Many, many of them if I include vegetable starts. I can only raise so many seedlings in my SIP-like seedling system, but I always germinate extras. Being a moron, I often waste resources on these extras instead of killing them off, and in every event that I have transplanted these into actual SIPs they stall. If I plant them quite late, say, after 4-5 nodes, they stall practically for an eternity.

I have investigated some of these eternal stallers and also found root rot - even though substantial aeration was provided. I think the roots simply die from entropy, that is, by not constantly growing they become an easy target for fungi that are otherwise controlled by growth, and the dynamic environment it creates. I mean, roots grow so fast you can see it live if you commit. It's reasonable that the absence of such growth may be also be very dramatic, in its own unseen way.

As a guess, I suspect an epi-genetic scenario, specifically, that the genetically communicated feature, 'hydrotropism' is epigenetically stifled by these specific environmental conditions, but that's a wild speculation I will personally never have the tools to prove, nor qualifications to properly understand.

Shed's transplant doesn't seem to have been terribly late, however, and I think he made efforts at least to bottom water, which is significant and helps. I do suspect that drought/deluge watering routines are a contributing factor here, regardless the direction, but again, I can't prove it.

Anyway, Shedster, I'm happy to provide whatever anecdotal experience I have if you come up with any specific queries. However, you've got so much experience with canna, and good instincts, that I'll follow with great interest nonetheless.
 
So, this is why I like to put my small pot inside my large pot. It makes a perfect hole for the up-pot. Just drop it in, pat it down & feed.
As you can se in the pic the roots did start to grow out the drain holes in the 1 gal. pot. They slid right back out without any damage.
Not a giant rootball, but good enough to go into a sip.
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And here are my gals after their up-pots.
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Hey buds! So were those SIP containers live with water in them for the time they were in the 1's? If the answer is yes then, do they go right into good growth, or is there still a stall? I like the concept!
 
Hey buds! So were those SIP containers live with water in them for the time they were in the 1's? If the answer is yes then, do they go right into good growth, or is there still a stall? I like the concept!
They were empty until transplant. I fed a gallon right after. That filled the res halfway once it all drained. Then topped off the res and let her do her thing.
 
I broke down and fertigated with fox farms grow big 6-4-4, half dose every fill for most of last week and again this morning. Should I be giving full strength every fill?
Personally, I feed full strength nutes every day. That's about 2 gallons of feed each day.
 
And you put the feed into the resevoir? I use an organic fertilizer and topfeed as necessary. They seem to like it.

I think RD is on to something there, with the early grow io transplant early into SIPs or even germinate in SIPs. I have 3 ov Van Stank's Purple Stankberry regular plants (looking for 1 female) in a 6' long SIP planter.. I transplanted them as small seedlings. They did the 2 week stall, then took off. Excess rain will go out the overflow. Seems to be working great for me! Happy Smokin'
 
I'm currently using Prescription Blend core A & B, bio-si, kelpful, and Terpinator at the recommended strengths per gallon of tap water. It goes directly into the reservoir.
 
Wow, it's been a while since I've checked in on this thread. My $.02...
Thanks Rhino! I mixed a lot of perlite into the FFHF, getting close to the 40% that ResDog recommends. When I watered from the top on transplant I heard the res fill pretty easily so I don't get the feeling that the soil mix was too dense. I run FFHF straight out of the bag for my cloth bags and this SIP mix was much more porous.
Why would a SIP need more perlite? I've been running straight FFHF soil in my SIP with no issues.
Hey buds! So were those SIP containers live with water in them for the time they were in the 1's? If the answer is yes then, do they go right into good growth, or is there still a stall? I like the concept!
My process is very close to Bud's. I grow the plant to about the 5th node in a 4" pot. When I transplant to the SIP (usually by day# 16) I water thoroughly enough to saturate the soil and run into the res. Then I cover the top with cloth and rocks and all future waterings are through the bottom res. I try to keep the res 1/2 full for the first week, then fill daily after that. Right now I'm not seeing much if any slowdown when they go into the SIP, and by the 2nd week in the SIP they're in overdrive!
Personally, I feed full strength nutes every day. That's about 2 gallons of feed each day.
I do the same, full-strength nutes every day. Every 10-14 days I'll let the res get low/dry, and then add a gallon of water to flush out some salts. Then I'll let it go low/dry again before resuming full-strength nutes.
 
Well, we're learning at Shed's expense. Thanks Shed! lol.

I too have experienced stalled plants when transplanted late. Many, many of them if I include vegetable starts. I can only raise so many seedlings in my SIP-like seedling system, but I always germinate extras. Being a moron, I often waste resources on these extras instead of killing them off, and in every event that I have transplanted these into actual SIPs they stall. If I plant them quite late, say, after 4-5 nodes, they stall practically for an eternity.

I have investigated some of these eternal stallers and also found root rot - even though substantial aeration was provided. I think the roots simply die from entropy, that is, by not constantly growing they become an easy target for fungi that are otherwise controlled by growth, and the dynamic environment it creates. I mean, roots grow so fast you can see it live if you commit. It's reasonable that the absence of such growth may be also be very dramatic, in its own unseen way.

As a guess, I suspect an epi-genetic scenario, specifically, that the genetically communicated feature, 'hydrotropism' is epigenetically stifled by these specific environmental conditions, but that's a wild speculation I will personally never have the tools to prove, nor qualifications to properly understand.

Shed's transplant doesn't seem to have been terribly late, however, and I think he made efforts at least to bottom water, which is significant and helps. I do suspect that drought/deluge watering routines are a contributing factor here, regardless the direction, but again, I can't prove it.

Anyway, Shedster, I'm happy to provide whatever anecdotal experience I have if you come up with any specific queries. However, you've got so much experience with canna, and good instincts, that I'll follow with great interest nonetheless.
Thanks RD! The roots did not look happy when I pulled them out to replant, certainly not what I'd expect from a healthy plant.

Mine was 34 days old on SIP upcan and either 8 or 9 nodes tall at that point. An earlier move might have indeed been more effective but I won't be testing out different scenarios next time. I'll be bottom watering from sprout like I did with my SWICK. That's doing really well a week into flip.
Why would a SIP need more perlite? I've been running straight FFHF soil in my SIP with no issues.
That's a question for @ReservoirDog!
 
I'm using composted horse manure without perlite, and it's working great. Happy Smokin'
 
Looks like this thread has slowed down a lot. I guess that means everyone's getting settled in & comfortable with their SIP grows. That's a Good Thing !
My plants are at their 9th node so I'll be flipping to flower this weekend. That should give me about 3' tall plants by harvest.
 
I think we've mainly sussed out the nuances of growing in these things so a lot of that back and forth has quieted down. Now it's more new converts posting pics of their set-ups and irregular updates from the rest.

Still a lot of fun though. Looking forward to your update pics.
 
@Azimuth pretty sure you were right about the cupping being the light. I've turned it down a touch twice over this past week, and raised it another 6 inches today. She's looking far less twisty and cupped up as of today. Little light in color still but they're getting greener too. I flipped to flower on the 11th, hoping I've got enough headroom for these girls, they grew so fast when I was away last week. The trunk on the one plant is soooo beefy. Dunno if that's the quadlining (first time) or SIP or both but I'm impressed.

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@Azimuth pretty sure you were right about the cupping being the light. I've turned it down a touch twice over this past week, and raised it another 6 inches today. She's looking far less twisty and cupped up as of today. Little light in color still but they're getting greener too.
:thumb:


The trunk on the one plant is soooo beefy. Dunno if that's the quadlining (first time) or SIP or both but I'm impressed.
Probably has more to do with the SIP as we get very beefy trunks and limbs in these things generally as you're seeing close up.

The trunk on the one plant is soooo beefy. Dunno if that's the quadlining (first time) or SIP or both but I'm impressed.

20230713_140131.jpg


Those thick stems can make some good source material for one of @BeezLuiz 's Peace Pipes
 
@Azimuth pretty sure you were right about the cupping being the light. I've turned it down a touch twice over this past week, and raised it another 6 inches today. She's looking far less twisty and cupped up as of today. Little light in color still but they're getting greener too. I flipped to flower on the 11th, hoping I've got enough headroom for these girls, they grew so fast when I was away last week. The trunk on the one plant is soooo beefy. Dunno if that's the quadlining (first time) or SIP or both but I'm impressed.

20230713_140131.jpg


20230713_140052.jpg


20230713_140044.jpg
Hi goowa,

I use Fox Farms Trio nutes and for me they work just fine in soil / fabric pots. I just recently started supplementing my two SIPs with Grow Big and Big Bloom. So far so good. I add it to the res water - about half strength every watering (because I also have Grow Dots in the soil). I've found with FF nutes you may not need CalMag. I'm outdoors where it was 97˚F today.



Also have 4 other fabric pots fed with FF Trio. I feed more than their soil schedule says to.


I'm also curious about using sledgehammer flush. Do I need that in SIP with FF nutes? Previous grows I just flush with hose water once or twice during the grow.
 
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