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Re: Popcorn jar Day 14 - How's it looking? [Re: knecimes13]
    #29585167 -

knecimes13 said:
Update: 5L Shoebox - Day 11
(Strain: BHT | Ratio: 1:2 Spawn-to-Bulk)

So far, I haven't misted the tub at all. The lid has been kept shut since day one, except for opening it for about a minute just now to snap these photos.

Looking at it, the substrate surface seems a little dry to me. Do you guys think I should give it a light misting at this stage?

Also, should I start leaving the lid slightly cracked/diagonal to introduce FAE at this point? Or would simply flipping it upside down be a better option?

Open to any suggestions.











just leave the lid how it was. the condensation will fall down and bottom water. this is really why I pefer to do BODs unmodified Tek, leave the lid on with slight fae from the very beginning and let the sub evaporate and recondense its own water the whole time

what if you have some trich spores in your sprayer, or faucet? then you ruin your tub. pasteurized substrates with adequate water all the way thru fruiting, and leave it alone


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Re: Popcorn jar Day 14 - How's it looking? [Re: CoolBreeze06]
    #29585207 -

That makes a lot of sense, thank you. I guess dialing it in really comes down to getting a feel for it and learning by doing. I'll keep an eye on the conditions rather than blindly following a tek.

5L Tub Update:
I ended up giving the surface a very light misting from high up using a fine continuous hair mister (flairosol) just to get thousands of tiny beads of moisture on the surface. We'll see how it responds.

Day 30 Jar Updates:
I also wanted to share an update on those two other 660ml jars. They were both inoculated at the same time and are now on Day 30.

First Jar:
I think this one is ready to go.




Second Jar:
This one is also 100% colonized, but the mycelium is very pale and wispy. It doesn't have that strong, thick white look like the first one.

Here is the backstory for this jar: I made an agar slurry/LI by squirting boiled, sterile water onto a fully colonized plate, scraping the myc, and pulling it back into a syringe. I injected 10ml of it through the micropore tape. Unfortunately, my needle was only 21G, which was a bit too narrow for this.

I diced up the rest of that same agar plate and dropped the wedges into the First Jar. Both jars colonized pretty slowly, but I'm curious why this second jar looks so pale. Any ideas?




My Plan:
I’m planning to spawn both of these together into a 10L shoebox. I will definitely do a smell test before mixing them in with the coir, but if anyone spots any obvious signs of contam from the pictures, please let me know so I can be extra careful!


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Re: Popcorn jar Day 14 - How's it looking? [Re: knecimes13]
    #29585849 -

:whatdoyouthink:


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Re: Popcorn jar Day 14 - How's it looking? [Re: knecimes13]
    #29586000 -

have you been shaking the jars? or just let them sit for 30 days?

the only things to do is spawn them. if you want to ensure that it's strong myceliums, shake the jar real hard and break everything up and let it consolidate for another week.

also, when you go to spawn the jars, smell them. if they smell like fresh mushrooms and nothing else, they're probably alright. everything's white, no yellows, etc. only weird thing is they do look very wispy and not strong but I haven't ever used popcorn so maybe that's just what it is.

I personally don't really mess around with LC even after a solid amount of great grows just because its too many contamination vectors for a guy like me. it can be done, its a good method, but a guy like me needs simplicity in things.

I just drop a small sample into the jar, polyfil hole, and leave it. shake at 30 percents colonization and maybe once more if its fast and strong

look at BODs teks my dude, things regarding agar and getting a lot of spawn are super simple and don't need a lot of extra stuff. agar, clean grain, clean cultures, don't add extra steps.



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Edited by jbgtaa (05/25/26 03:59 PM)

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Re: Popcorn jar Day 14 - How's it looking? [Re: jbgtaa]
    #29586064 -

jbgtaa said:
have you been shaking the jars? or just let them sit for 30 days?

the only things to do is spawn them. if you want to ensure that it's strong myceliums, shake the jar real hard and break everything up and let it consolidate for another week.

also, when you go to spawn the jars, smell them. if they smell like fresh mushrooms and nothing else, they're probably alright. everything's white, no yellows, etc. only weird thing is they do look very wispy and not strong but I haven't ever used popcorn so maybe that's just what it is.

I personally don't really mess around with LC even after a solid amount of great grows just because its too many contamination vectors for a guy like me. it can be done, its a good method, but a guy like me needs simplicity in things.

I just drop a small sample into the jar, polyfil hole, and leave it. shake at 30 percents colonization and maybe once more if its fast and strong

look at BODs teks my dude, things regarding agar and getting a lot of spawn are super simple and don't need a lot of extra stuff. agar, clean grain, clean cultures, don't add extra steps.





Thanks for the input! To answer your question: yes, I shook the jars twice—once at about 30% and again around 70%.

I completely agree with you about keeping things simple and not reinventing the wheel. I actually didn't have any spores for the past year, so I spent all that time just reading and researching. I’ve read through BOD's, Pastywhyte's, and beef's (and many others) teks countless times. I feel like I have a pretty solid grasp of the core concepts now, and I’ve racked up a good amount of practical experience working inside my SAB.

These two jars were really just experimental side-projects I made to test things out before my actual run. I'm keeping my expectations low for them anyway, because I already have 7 other jars properly inoculated with clean agar wedges set aside for my main grow.

Regarding the popcorn, though: I have only used popcorn so far, and my mycelium has never looked this pale or wispy. This specific, weak-looking growth structure is entirely unique to this one LI (syringe) jar. On the popcorn I think mycelium is extra slow or something slows it down dont know.


If anyone has any thoughts on why the LI method specifically caused this kind of morphology on the grain, I’d still love to hear them!


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Re: Popcorn jar Day 14 - How's it looking? [Re: knecimes13]
    #29586476 -

I would just let them sit for awhile longer and see if they whiten up, if not it could just be how the myc is. you'll only find out by spawning it


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Re: Popcorn jar Day 14 - How's it looking? [Re: jbgtaa]
    #29587207 -

jbgtaa said:
I would just let them sit for awhile longer and see if they whiten up, if not it could just be how the myc is. you'll only find out by spawning it



Sounds like a solid plan. I'll let them sit for another week or so to see if the mycelium consolidates and thickens up.

Since these are just experimental jars anyway, I've got nothing to lose by spawning them to a shoebox to see what happens. I'll make sure to update this thread with the results once I do.

Thanks again for the feedback!


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Re: Popcorn jar Day 14 - How's it looking? [Re: knecimes13]
    #29587258 -

ya know you could buy a couple half gallon jars and try top fruiting them

idk I like keeping things small and testable before moving onto big jars and big tubs


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Re: Popcorn jar Day 14 - How's it looking? [Re: jbgtaa]
    #29587611 -

jbgtaa said:
ya know you could buy a couple half gallon jars and try top fruiting them

idk I like keeping things small and testable before moving onto big jars and big tubs



Top fruiting is a cool idea for testing, but my jars are actually already really small! They are only 660ml each (about 1.4 pints), which is way smaller than a half-gallon jar.

I think I'll stick to the shoebox plan just to see how this pale mycelium actually performs on coir.


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Re: Popcorn jar Day 14 - How's it looking? [Re: knecimes13]
    #29594387 -

Update: Day 22 - Pins are here!

Thanks to everyone for the guidance so far! I’m happy to report that I’ve got pins popping up in the shoebox. I'd love to hear your thoughts on how the surface looks overall.



Issue: Side Pins
I've run into a bit of a problem with side pins. I used a double liner to prevent them, but it doesn't seem to have been very effective. As you can see in the photo, there are quite a lot of them forming along the edges.


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Re: Popcorn jar Day 14 - How's it looking? [Re: knecimes13]
    #29594433 -

the side pins and sparse top pinning/colonization are a symptom of the same issue: surface conditions are off somehow, needs more air movement, more or less water, better genetics, etc. idk nobody here will really be able to tell you exactly how YOU should dial in your tubs but I'm seeing surface conditions and genetics are gonna hinder a full canopy


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Re: Popcorn jar Day 14 - How's it looking? [Re: jbgtaa] * 1
    #29599101 -

Update: Day 27 - First Flush Summary & 2nd Flush Prep

I’ve harvested my first flush. Total yield was 3g dried. The substrate was only 4cm deep, which led to moisture issues and caused the cake to break apart during the 6-hour dunk. (5lt shoebox)





Mutant:



Questions:
1. How can I improve the 2nd flush yield with such a thin cake? 6hours dunk is ok?
2. Is 4cm depth low?
3. What is the best way to rehydrate a thin, fragile cake without it falling apart?
4. Is 3g dried from a first flush considered low?

Thanks for the advice.


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Edited by knecimes13 (06/08/26 11:54 AM)

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Re: Popcorn jar Day 14 - How's it looking? [Re: knecimes13]
    #29599386 -

was this just multispore? and how much spawn was it? sorry if you already said but if it's multispore and only 1 or so jars of spawn this is pretty normal. 1.5 inches for a substrate is really really thin for a shoebox. that's not much material at all. you get more mushrooms from more spawn and substrate.

if you go thru my gallery most of those tubs are 2 qt jars of spawn and 3 to 4 qt jars of coir substrate, it usually came out to about 3 inches tall but it's a lot more spawn.

your tube should have enough water in it from the beginning to get thru fruiting, that doesn't seem possible to me with a 1inch substrate.

up your spawn, use a fruit clone on t3 for your spawn


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Re: Popcorn jar Day 14 - How's it looking? [Re: jbgtaa]
    #29599503 -

jbgtaa said:
was this just multispore? and how much spawn was it? sorry if you already said but if it's multispore and only 1 or so jars of spawn this is pretty normal. 1.5 inches for a substrate is really really thin for a shoebox. that's not much material at all. you get more mushrooms from more spawn and substrate.

if you go thru my gallery most of those tubs are 2 qt jars of spawn and 3 to 4 qt jars of coir substrate, it usually came out to about 3 inches tall but it's a lot more spawn.

your tube should have enough water in it from the beginning to get thru fruiting, that doesn't seem possible to me with a 1inch substrate.

up your spawn, use a fruit clone on t3 for your spawn



Thanks for the insight. To clarify, I started with multispore, took an agar transfer, but I was impatient and dropped a T0 wedge into a single 660ml (about 1.4 pt) popcorn jar. Once colonized, I mixed 0.5 qt of spawn with 1 qt of CV, which resulted in that 4cm (about 1.5 in) shallow substrate depth in my 5 qt shoebox. I knew it was thin, but now I see the impact on yield.

I actually have another 10L shoebox going—currently on Day 9. For that one, I used 1.2 qt of spawn and 2.5 qt of substrate, giving me a depth of about 2.5 inches.

I didn't clone the first harvest, but I plan to clone the 10L shoebox. My plan was to go straight to grain if the T1 clone looked clean, but now I’m second-guessing. Is taking transfers to T3 really necessary for a clone, or is it overkill if the T1 looks clean enough?


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Re: Popcorn jar Day 14 - How's it looking? [Re: knecimes13] * 1
    #29601154 -

I mean if it doesn't matter to you you could just throw the tissue sample into a grain jar. if it works then no going to t3 wasn't necessary for that.

if you want a completely even canopy with fruits that all grow the same height, take up the same amount of space, and grow evenly together, you'll want to culture it down.

look up some stuff about mycelium. its not that anything is "necessary", just that they're necessary to avoid getting weak tubs and weird fruits/contam. if you go thru my gallery, and see the tubs that are just totally flat canopy, that's almost all genetics. its a a narrow "strain".

basically what I'm saying is that culture and genetics are just as important of tub/box/fruiting chamber conditions, so yes going to t3 is neccesary for making spawn thats worthy of going into say a 50l tub. it takes a month to get that much spawn, I need to know the genes are going to work for me in the same way that im going to work for them by providing good conditions in the tub (which is a sour deal for the mycelium cuz I'm working way less to get surface conditions than it is to get fruits)


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Re: Popcorn jar Day 14 - How's it looking? [Re: jbgtaa]
    #29601676 -

Thanks for the explanation. I think I’m hung up on the definition of a clone. If a tissue sample is genetically identical to the parent, isn't it already a 'single individual' by definition?


I understand that transfers are necessary to clean up contaminants (bacteria/mold) that might have hitched a ride on the tissue. But beyond cleaning, why keep transferring to T3? Are we just selecting for the fastest-growing sectors of the same genotype?

If the mycelium is already a single clone, does 'isolating to T3' imply that different parts of the same clone can express different growth rates or morphologies (like density or speed)? Essentially, is the goal of T3 to isolate the most vigorous sectors of the same genetic code, or am I fundamentally misunderstanding what 'clone' means in this context?


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Re: Popcorn jar Day 14 - How's it looking? [Re: knecimes13]
    #29602091 -

knecimes13 said:
Thanks for the explanation. I think I’m hung up on the definition of a clone. If a tissue sample is genetically identical to the parent, isn't it already a 'single individual' by definition?


I understand that transfers are necessary to clean up contaminants (bacteria/mold) that might have hitched a ride on the tissue. But beyond cleaning, why keep transferring to T3? Are we just selecting for the fastest-growing sectors of the same genotype?

If the mycelium is already a single clone, does 'isolating to T3' imply that different parts of the same clone can express different growth rates or morphologies (like density or speed)? Essentially, is the goal of T3 to isolate the most vigorous sectors of the same genetic code, or am I fundamentally misunderstanding what 'clone' means in this context?



in order:
what youre looking for depends on you but regardless of that, you are isolating strains by taking smaller and smaller hyphae samples. each hypae is a dikaryote, with its own genetic "instructions" for any types of pheno or morphology. each hyphae you can see is basically the baby of two monokaryotic cells that created a "strain" for lake of a better term. taking it to t3 and further, with the correct procedure, can isolate down pretty close to a "mono culture", which is the smallest amount of separate dikaryotes in a culture while still being a fruiting culture.

what you can see on plate doesn't define anything about fruiting with any precision. its an indicator of how it will perform as mycelium on grain and substrate, which is something you need to know when it comes to fruiting conditions. "density" and "speed" are things that you CAN select for based on your own goals.

yes, different parts of the same mushroom can be cloned and fruited and its possible and likely to see varied phenotype expression. further isolation is for uniform characteristics.

i wouldnt say your "fundamentally" misunderstanding cloning, i would just say you arent aware of the science behind it. its alot more than "germ on agar, check for contamination, go to grain". fungi are still misunderstood by science in general, so were all kind of figuring it out, but yes I would say that to generalize you are incorrect that a tissue clone will automatically express the exact same phenos or have the same geno as its donor. there's just too much at play to say that for certain and a lot of evidence against it. you can get albino mutations from trusted clones, which is verification that the clone sample held genetic information, or genetic corruption, to allow such a thing.


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