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Offlineclercqer
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Registered: 08/25/22
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Mycelium growth speed - 4 weeks in
    #27996825 - 10/13/22 12:55 PM (2 years, 3 months ago)

Hello everybody. I am another noob to this community, until now using this forum and its resources to build up my knowledge and getting started with a simple PF tek. Following the information in the Updated PF Tek Guide to the letter I inoculated four jars four weeks ago. They have since then been standing on a bookcase in my bedroom, out of direct light but with a plenty of ambient light.
It might be important to note that the temperature has been dropping as I am in Europe and we moved into autumn. The house is around 18-20 ° C.

They look like this right now:



I am not sure if it is normal for the mycelium to grow so slowly. Most of the info I find seems to indicate 5 weeks as the maximum it should take for full colonisation to happen. This will obviously not be fully done in a week.

So I turn to the community to humbly inform or advise me on what I should do (if anything) to ensure the health of the mycelium.

Thank you in advance.

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OfflineHappinessStan
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Re: Mycelium growth speed - 4 weeks in [Re: clercqer]
    #27996831 - 10/13/22 01:02 PM (2 years, 3 months ago)

Looking good bro.
Healthy mycelium and no obvious contams.


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OfflineHappinessStan
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Re: Mycelium growth speed - 4 weeks in [Re: HappinessStan]
    #27996833 - 10/13/22 01:05 PM (2 years, 3 months ago)

Explain how you plan to fruit them so people here can guide you.
You're doing good, if you heed advice then you could have an amazing grow


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OfflineHindsight
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Re: Mycelium growth speed - 4 weeks in [Re: HappinessStan]
    #27996866 - 10/13/22 01:26 PM (2 years, 3 months ago)

I wouldn't say 5 weeks is the max. For example, I just had four Subtropicalis cakes take 6 weeks to fully colonize. Some of it depends on the genetics (and each jar is likely to be different in this regard because you will have different genetics germinating and combining), the age of the spores, the level of contamination of the spore solution (if any), temperature, moisture level etc. I would say anything up to 8 weeks is ok, with 4-5 weeks being ideal. So long as your temperature is ok, there isn't anything you can do to speed it up so just be patient and wait.

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OfflineWaldfried
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Re: Mycelium growth speed - 4 weeks in [Re: Hindsight]
    #27996939 - 10/13/22 02:16 PM (2 years, 3 months ago)

Colder ambient temperatures are definitely slowing down colonizing speed. I am from Europe as well and my house is around 18 °C like yours and my spawn jars are taking long as fuck.


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Offlineclercqer
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Re: Mycelium growth speed - 4 weeks in [Re: HappinessStan]
    #28000069 - 10/15/22 08:59 AM (2 years, 3 months ago)

Quote:

HappinessStan said:
Explain how you plan to fruit them so people here can guide you.
You're doing good, if you heed advice then you could have an amazing grow



I was going to have them in a SGFC, following the stickied guide here.

Can I transfer the cakes at different times (since it looks like they will be fully colonised at different rates)?

Another question for my next batch, how much of the spore syringe liquid should I use per jar? I thought 1 line on the syringe per jar. Is that correct?

Thanks all for the replies!

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Offlinewhatisanerd
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Re: Mycelium growth speed - 4 weeks in [Re: clercqer]
    #28003141 - 10/17/22 01:42 PM (2 years, 2 months ago)

Myc looks good!  When the temps drop where I live, I run a small space heater to keep the room warm.  Not sure if this is something you can do.  I know some folks use heating pads as well.  Best of luck!


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Offlineclercqer
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Re: Mycelium growth speed - 4 weeks in [Re: whatisanerd]
    #28012071 - 10/23/22 07:47 AM (2 years, 2 months ago)

So now, another week in after inoculation (5 weeks ago) I stand before you again. I am using my earlier thread to ask again for a little guidance regarding my PF jars. Two things are happening, other than the continued (albeit slow) colonisation by the mycelium.

1. I am pretty sure that there are now two jars contaminated by a mold. I am including a picture of each jar.

First the one that has been colonised the least (only much later did I see any growth and only at 1 inoculation site). I believe I can see that there is a fragment of the verm top layer that fell down between the jar and the cake. I am guessing it carried a spore which then got in touch with some nutrients from the cake and presto! :-(


Then another one that was much closer towards full colonisation. I think the image speaks for itself but just to eradicate all doubts: this is contam and this needs to be binned, right? I shouldn't try to fruit this cake?


2. Then curiously I noticed today something odd in the top of another jar, which to me looks like a (squished) fruiting body! What do you guys make of this? Should I just transfer the cake to my SGFC, even though there's still some areas of the cake that don't have visible mycelium?


If the answer before is "yes, fruitin' time" then I wonder if I should also fruit this jar, which is less fully colonised. I am now a little worried that waiting more will increase further risk of contam and so more wasted time/effort/materials...


Thank you so much for the encouragement and insights.

EDIT: Improved the image quality.

Edited by clercqer (10/23/22 07:52 AM)

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OfflineJaksavage
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Re: Mycelium growth speed - 4 weeks in [Re: clercqer]
    #28012093 - 10/23/22 08:13 AM (2 years, 2 months ago)

Welcome!

I think you have some options.

The jar that is showing a pin(s), is ready to fruit. You could put it in the fridge and hold it there until you have others ready to go, or you could fruit it now.

The jars you suspect are contaminated could be fruited directly.

Because you have uneven growth and possible contam you could consider fruiting them individually in a quart jar or ziploc bag.

Remove from jar, brush off loose vermiculite, rinse, soak @ 24 hrs.

Put each hydrated cake in a container, jar or ziploc, and see what happens. If you see fruit/pins, then provide a small amount of fresh air exchange. This stage should take less than 2 weeks. If nothing happens throw them out.

You can put perlite, or vermiculite or coir in the container to help with moisture.

This grow will not be record breaking, you don't have to be perfect but you don't want to do anything dumb.

Search for ziploc tek by Fahtster.

Start some more BRF jars.

:goodluck:


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:takingnotes:


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Offlineclercqer
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Re: Mycelium growth speed - 4 weeks in [Re: Jaksavage]
    #28012108 - 10/23/22 08:27 AM (2 years, 2 months ago)

Quote:

Jaksavage said:

The jar that is showing a pin(s), is ready to fruit. You could put it in the fridge and hold it there until you have others ready to go, or you could fruit it now.




Is it also an option to place this one in the fruiting chamber, let the other (non contaminated) jar colonise a bit longer and then add that cake to fruiting chamber? Or does this procedure have any downside I am not seeing?

Quote:

Jaksavage said:
The jars you suspect are contaminated could be fruited directly.



This is a great idea, to see what comes off of them. Is the contamination anything to worry about in terms of edibility of the fruiting bodies?

Quote:

Jaksavage said:

Start some more BRF jars.




There's four more in the PC as we speak! :-)

Thank you so much for your time.

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OfflineJaksavage
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Re: Mycelium growth speed - 4 weeks in [Re: clercqer]
    #28012255 - 10/23/22 10:30 AM (2 years, 2 months ago)

It is hard to maintain conditions in a large container with only a few cakes.

Once you have fruit you can dry them (24hr) or turn into tea, both can be frozen. Either will ensure they are safe to consume.

If you put them all together you run the risk of the contam spreading to all your cakes. I don't know how high this risk is.

:goodluck:


--------------------
:bigbang:

:takingnotes:


The Shroomery is the biggest library with the coolest librarians

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