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Mushrooms, Mycology and Psychedelics > Mushroom Cultivation
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Another Incubator question.
    #2236749 -

For my first ever run (PF Tek BRF/Verm) I used a tub in tub style incubator with a 100W heater, and aquarium style pump. I had no holes in the outer tub, and no source of humidity in the incubator other than the jars themselves. Temp was 27.7 (82) The humidity built up to about 87% (Read at the bottom)

Water accumulated around the edges of the incubator and every day I wiped it dry (mistake?), and fanned it out. In my part of europe it gets very dry in winter (21%RH).

My jars turned out dry and I am having some problems with some fruiting.

I am starting a second run now with popcorn / polyfill.

Now from further reading I *think* build up of CO2 is not a problem during colonization, so no fanning and don?t open it? Should I worry about the water buildup? Should I add a humidity source in the inner tub? I am reluctant to add hole because the humidity is so low.

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Re: Another Incubator question. [Re: TheProfessor]
    #2236761 -

You could dunk them before birthing, that would restore moisture to the substrate. Beyond that, just check your temps, with a tub in tub (done properly) they really shouldn't dry out.

Not 100% sure though.


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Re: Another Incubator question. [Re: JetBlackNinja]
    #2236776 -

with a tub in tub (done properly) they really shouldn't dry out.

ahhh so this time ill do it properly, last time i was just screwing around but now i see.. :smile:

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Re: Another Incubator question. [Re: TheProfessor]
    #2236779 -

First, just by keeping the jars closed you're keeping the inside pretty damn humid. The one time I checked inside of one of my grain jars it was around 92% rh.

If you want to know the optimal growth parameters for cubes - that info is right here in the shroomery!
http://www.shroomery.org/index/par/23457


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By "I", I of course mean a good friend of mine who happens to live in the fine city of Amsterdam. "I" is just so less awkward.

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Re: Another Incubator question. [Re: mobiusrunner]
    #2236801 -

when you birth the jars aren't you going to have a layer of moist perlite on the bottom of your rubbermaid for humidity? i'm on my first pf and thats what i planned on doing!

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Re: Another Incubator question. [Re: beanchild]
    #2236822 -

bean - you seem to be confusing incubation with birthing...

As it shows in the link I posted above there are three stages to growing shrooms when you do casing - the spawn run, post-casing, and primordia formation.

The spawn run is the initial forming of the mycelium - this is where most folks use incubators to maintain proper temperature - which helps speed growth considerably!

The post-casing stage is seen as optional by some folks - but I prefer to do it. Basically it gives the mycelium some time to spread out some more and take over some of the casing layer. The actual conditions for this period is the same as incubation - total darkness, high humidity, temps in the low-mid 80s.

Finally, the primordia formation stage, or birthing stage is where you actually grow the shrooms. This needs to occur in a more open area than closed jars - but the humidity still needs to be very high, thus the introduction of some sort of source of humidity (Perlite, bubblers, humidifier, etc) The mycelium needs to experience a drop in temperature (about 10 degrees less than the previous stages) some light (as little as a few seconds a day will do) and good air exchange to properly form mushrooms. If you don't have good air exchange, you'll still probably get some mushrooms - but they will tend to be smaller and there will be many less of them.

Oh, and hey prof, what problems are you having fruiting? Are your temps, light, and air exchange ok?

:-)


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By "I", I of course mean a good friend of mine who happens to live in the fine city of Amsterdam. "I" is just so less awkward.

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Re: Another Incubator question. [Re: mobiusrunner]
    #2236885 -

i understand the dif between incubating and fruiting and there conditions, my question is????? Can you use the upper rubbermaid from your tub in tub incubator to birth your jars in by just adding a layer of moistened perlite on the bottom and birthing your jars in it?? say maybe turn the aquarium heater down to 70-73 and fan and mist? or should i buy a seperate rubbermaid altogether and do the moistened perlite thing? man sometimes it's tough to get a straight answer on this site!

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Re: Another Incubator question. [Re: beanchild]
    #2236891 -

Sure, you could absolutely do that.

I don't recommend going the perlite route if you can avoid it though. There's a reason so many people build PMPs - perlite is a bitch and fanning 3+ times a day is no fun and introduces some real possibilities for contamination.

I understand keeping it simple for your first grow - hell I did it too, but perlite just sucks so bad. Good luck!


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By "I", I of course mean a good friend of mine who happens to live in the fine city of Amsterdam. "I" is just so less awkward.

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Re: Another Incubator question. [Re: beanchild]
    #2236894 -

if the humidity can get from the outer tub into the inner tub and you lower the temperture i would think its fine,but im sure ill get that shoved down my throat any minute.

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Re: Another Incubator question. [Re: ghostcook]
    #2236900 -

The problem is that that just having water sitting around doesn't make humidity. That water has to be in little bits that can evaporate faster to make the +90% rh that the fruiting stage needs. Perlite does this by soaking up the water and giving it many more places to evaporate off of.


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By "I", I of course mean a good friend of mine who happens to live in the fine city of Amsterdam. "I" is just so less awkward.

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Re: Another Incubator question. [Re: TheProfessor]
    #2236927 -

This would require drilling, future taping, the inclusion of (an) air pump(s) and poo, but you could spawn a large amount of substrate in the inner bin as well. If this is done properly, humidity ceases to be a concern all together.


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if(human==autoPart){
for(i=1;i<infinity;i++){
getBorn(mind,soul);
getEdu(mind,soul);
getJob(mind,soul);
retire(mind,soul);
die(mind,soul);
}
}

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Re: Another Incubator question. [Re: Che_Night_Soil]
    #2237209 -

this is just one confusing post :smile:

i use the straw tek when using the pf tek. also, dont move onto grain on your second grow if you weren't even successful your first time around w/ a even easier tek.

gluck.


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-m.

I dont even grow these things... I just post for this guy that knows a guy, who's sisters boyfriend dumped about 2 months ago.

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Mushrooms, Mycology and Psychedelics > Mushroom Cultivation
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