The only difference I can think of is using SIP solo cups ?
Can you explain what you mean by that please? I might have an idea.
I'm looking for these buckets to grow in Europe and nothing. this sip is interesting
In Europe they're what paint is sold in generally. Try the paint section in a big store.

Nick
 
I mean my solo cups were SIP's. As in they have a reservoir, a drain hole on the side one inch up from the bottom and were fed via tubes.

Cheers
Yeah I use the same. Repotting from solo SIPs Ive found is bad juju. I was repotting back to a Solo SIP and either failed or harmed grievously. You’ve up potted to a bigger pot so may just get a stall. I think that repotting a SIP is generally bad - SWICK to SIP or Airpot no problem. 90% our plants have that. I’d skip the solo SIP - just grow it to harvest in the solo. But then I would say that 😂

Nick
 
Yeah I use the same. Repotting from solo SIPs Ive found is bad juju. I was repotting back to a Solo SIP and either failed or harmed grievously. You’ve up potted to a bigger pot so may just get a stall. I think that repotting a SIP is generally bad - SWICK to SIP or Airpot no problem. 90% our plants have that. I’d skip the solo SIP - just grow it to harvest in the solo. But then I would say that 😂

Nick
Well, I believe I had slower growth in the solo SIP's compared to no feed tube, i.e., watering normally from the top.

And no "stall" at all After transplanting into the larger containers....

Cheers
 
Santa showed up! This gear helps me run lower levels of synthetic nutes, (MegaCrop/Sweet Candy) in my Promix/SS#4 SIPs, and build up real soils for my custom-EWC SIPs. And the Veg. Glycerin is for my vape product development work (I also have a gallon of prop glycol) Hmmm… ah, the Leonardite humates in the clear bag I mix 5:2 with “Sea K” a Kelp product from GreanLeaf (MegaCr0p, makers of) I also mix these Bennies, Mycos, Humates and SeaKelp into my worm-feed which is a bunch of homegrown accumulator plants and this stuff, w/water, blended up and poured into ice cube trays, which I feed to my red wiggler pals. Not a proper circular system, but it’s getting closer all the time, and I’m having great fun! So that’s something.
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Well, I believe I had slower growth in the solo SIP's compared to no feed tube, i.e., watering normally from the top.

And no "stall" at all After transplanting into the larger containers....

Cheers
They’ll likely catch and overtake your usual size expectations, and then never look back! (I hope!) Can I recommend trying an experiment in the future of substantially reducing yer nute levels, just to see what happens? 2/3 of my growing is MegaCrop (one part and two-part) in Canadian peat/perlite products (SSm#4, ProMix) and in SIPs I can take her home with 1000-1100ppm, apologize I don’t have the gram/gallon numbers at hand, but I do think it’s a chunk lower than 5gr/gal. You know, a little side experiment. Also, for fertigation types like us I think it’s important not to run with an empty rez for more than a day. It’s like high-frequency coco feeding, you mustn’t let a patch dry out or a layer of salts may recrystalize and give issues. Thinking of fertigated SIPs as ultra-high frequency feeder soilless setups has been useful for me. And this way there’s no runoff to guiltily pour down a drain somewhere! No water waste either. Welcome to the party, so glad to have your experience with us.
 
They’ll likely catch and overtake your usual size expectations, and then never look back! (I hope!)
I hope so too ;)

Don't care about the final yields, have lots on hand but would like to have a healthy grow experience !

Pretty sure I'm already a convert, he, he...
Can I recommend trying an experiment in the future of substantially reducing yer nute levels, just to see what happens? 2/3 of my growing is MegaCrop (one part and two-part) in Canadian peat/perlite products (SSm#4, ProMix) and in SIPs I can take her home with 1000-1100ppm, apologize I don’t have the gram/gallon numbers at hand, but I do think it’s a chunk lower than 5gr/gal. You know, a little side experiment.
I am going to be a little shy after burning my last Sativa grow. I usually don't measure ph regularly but going forward I plan to watch that a little more often. I was in 3 gallon fabric bags on my last auto grow and IIRC 3g/4L was 850 ?

And I now know what nutrient burn looks like with MC, burnt ends curling up is the first sign o_O

Also, for fertigation types like us I think it’s important not to run with an empty rez for more than a day. It’s like high-frequency coco feeding, you mustn’t let a patch dry out or a layer of salts may recrystalize and give issues. Thinking of fertigated SIPs as ultra-high frequency feeder soilless setups has been useful for me. And this way there’s no runoff to guiltily pour down a drain somewhere! No water waste either.
After the initial charge I waited until it was down to ~ 25%, one hole on the dipstick and then watered back to two holes, ~ 50%. Don't plan to let them get dry, the dipstick is brilliant !

Once the plants reach the edge of the pail I plan to water fully. So from 100% to 25%....

Welcome to the party, so glad to have your experience with us.
Always something to learn. So far solo SIP's haven't worked that well for me !

I'm now hoping for a late flower, need some more time to even begin training...

Cheers
 
Well, I believe I had slower growth in the solo SIP's compared to no feed tube, i.e., watering normally from the top.

And no "stall" at all After transplanting into the larger containers....

Cheers
I don't start in a solo cup, I'd get a bigger starter pot. You don't want that tap root coiling round and round in the bottom of a tiny cup and then expect it to suddenly know that it can fill in a 5 gallon SIP. It needs to grow down, down, down, to find the reservoir. Up-pot asap, 7-12 days max in a 1 gallon pot. Don't let it get comfortable in a cup.
 
I'm looking for the whole set.
You can sometimes get 5 gallon buckets for free from bakeries who often buy cake frosting in them. Those would be better than paint buckets imo because you'll know they would be food grade.

As for the innards, they are easy to make yourself if you're at all handy. I have a design post earlier in the thread Here but there are others around as well and lot's of photo examples of builds all along this thread.
 

hope i did this right....
s4BkrGd.png

This is your concept, is that right? It looks like it should work as you intend, from my limited POV looking at pics of your setup. So long as your control bucket, etc., is 'on the level' good things should happen. What float switch did you go with? Does it have multiposition settings? Planter buckets may equalize quite slowly, esp. when you first wet the finished system, but that's normal so real patience is helpful! Raising the storage reservoir a few inches can help trigger flow a little sooner/quicker if that seems an issue later on. What's the smallest I.D. chokepoint measurement, do you know?

No pumps, no electricity, and no daily refills. Check, check, and check! (Pic below doesn't show raised reservoir). What's your matrix gonna be? Fertigated? Do you think that with a large reservoir that sits, say, 14-21 days without refill, in 80deg 24/7, that dissolved oxygen levels could become an issue if not attended to? I know you don't plan to wait that long, but I'm putting one on my roof to support outdoor 35-gallon SIPs that have 10-gallons of indiv. capacity. I have a 50-gal drum for feeder reservoir, and want to push the envelope a bit.

Many moons ago I grew outdoors at scale in wilderness so deep I only went back once, to harvest. It was a whole thing, as you'd imagine. I'm not trying to replicate that extreme scenario, but I am purposefully experimenting with the minimum-possible grower involvement in the hope of developing something that busy professionals, who otherwise could not grow their own, might deploy and still grow proper outdoor trees. I was thinking about a combo like Jack's hydro-nutes and Promix to take pH issues off the table, leaving me with dissolved oxygen as a possible next hurdle. Anyway, thanks for sharing. Following with interest!
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outdoor 35-gallon SIPs that have 10-gallons of indiv. capacity.
35 gallons is where its at!

Have you looked at the Autopot designs? I bought a 4 pot setup for my mate in Europe for his greenhouse so he could survive his 10 day holiday. He leaves on that tomorrow but the seedlings died so they’re not yet assembled. Can build yourself though - I think @Absorber 3D printed a valve suitable?

For the res I also bought a solar powered pond feature to aerate the tank and generally prevent stagnation.

Nick

IMG_5455.jpeg
 
35 gallons is where its at!

Have you looked at the Autopot designs? I bought a 4 pot setup for my mate in Europe for his greenhouse so he could survive his 10 day holiday. He leaves on that tomorrow but the seedlings died so they’re not yet assembled. Can build yourself though - I think @Absorber 3D printed a valve suitable?

For the res I also bought a solar powered pond feature to aerate the tank and generally prevent stagnation.

Nick

IMG_5455.jpeg
I 3d printed a bell syphon not a SIP automatic feeder😊
 
Thank you for the tips @NickHardy , @Carcass , I also thought it would definitely be better for the plant, thanks a lot, when I edit it, I'll show it to you and maybe even from Hulkberry 😉
I've found the largest hole I can make that still effectively keeps soil/matrix out without needing a cloth of some kind is 7/32". I'm sorry I don't have the metric equiv. at hand. It looks great Kanno. If you cut the lid in half you could still install/remove it when plant has grown, just in case. Super-sweet build. Sorry I didn't pipe up sooner.

Sometimes a SIP design creates a wetter soil than seems optimal, and I found if wanting to fiddle with this you can drop a well-fitted cloth pot (I use geo pot) into there and grow in it - this can speed water use, while actually giving you a slightly drier SIP due to evap. Just something to consider down the line as a tool in your kit.
 
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