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Amazon Shop for: ½ Pint Jars, Grow Light, Paul Stamets

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OfflineRadcon
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Registered: 04/22/04
Posts: 64
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Condensation in jars
    #2935840 - 07/28/04 12:08 PM (12 years, 4 months ago)

SWIM has innoculated 12 jars 2 weeks ago keeping them in the incubator at about 78 F. And has started to realize there is condensation in the jars. Is this going to be a problem? Also on a side note when they are in the fruiting chamber how long should they be exposed to a grow light, is 12 hours a day ok?


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OfflineSatori1
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Registered: 12/05/03
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Re: Condensation in jars [Re: Radcon]
    #2935875 - 07/28/04 12:23 PM (12 years, 4 months ago)

The condensation is only natural, as the jar is holding in the moisture to create a 100% humidity environment.
84-86 F is temp. range during incubation.

it will still grow at 78 F, but will be slower.

yes, 12-16 hours of grow light or diffused natural sunlight according to TMC.
Gl


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Offlinecyndyl
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Registered: 05/26/03
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Re: Condensation in jars [Re: Satori1]
    #2935957 - 07/28/04 12:57 PM (12 years, 4 months ago)

Quote:

Satori1 said:
The condensation is only natural, as the jar is holding in the moisture to create a 100% humidity environment.
84-86 F is temp. range during incubation.

it will still grow at 78 F, but will be slower.

yes, 12-16 hours of grow light or diffused natural sunlight according to TMC.
Gl




12-16 hrs of light? I thought they are to be kept in the dark during incubation. That's what I do and they colonize fine.
From the FAQs:

What are the optimum conditions under which to store the PF jars?
--------------------------------------------------------------------------------

PF jars, like other colonizing jars, should be kept in a warm (75 - 85?F), dark place that is not too dry (target RH from 50% - 70% rh). The dark allows for the mycelia to colonize the entire cake without being "told" to pin (mycelium pins when introduced to light, reduction of CO2, temperature fluctuations and lack of non colonized substrate). You don't want the cake to pin before the entire cake is colonized, otherwise you may have to prematurely birth the cake and risk contamination of the non colonized substrate, or leave a growing fruit inside while the rest of the cake has not been completed yet. You don't want to store the jars in an extremely dry area, since the water in the jar can evaporate into the air through the small punch holes in the lid.
A too humid environment can cause molds growing on the outside of the jars and possibly spreading into the jars, so don't go with the humidity over 70%.

Sorry if I've misunderstood what your saying.

For the original topic.... remove the tape to let some air exchange occur.
If the cakes are nearly or fully colonized turn them and give a tap to push out the CO2.


--------------------


There's no such thing as a stupid question,
but they're the easiest to answer!


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OfflineSatori1
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Re: Condensation in jars [Re: cyndyl]
    #2935975 - 07/28/04 01:11 PM (12 years, 4 months ago)

I meant 12-16 hrs light during fruiting. Sorry if i wasn't clean on that. During incubation there should be no light.

"(target RH from 50% - 70% rh). "

That, I beleive, is reffering to the rh outside of the jar. The inside environment should be 90%-100% humiditiy. If there is condensation on the inside of the jars the humidity is somewhere in this range.


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Mushrooms, Mycology and Psychedelics >> Mushroom Cultivation

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