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Invisiblemushhead
Potato Devourer
I'm a teapot


Registered: 08/22/14
Posts: 2,215
Loc: Dimension X-124
Re: First attempt at agar is a bit... off [Re: LadysKnight]
    #26612972 - 04/19/20 12:52 PM (3 years, 9 months ago)

:whathesaid:


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Meditation Principles

Silence: Giving you room to listen / Stillness: Giving you room to feel / Spaciousness: Just giving you room


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InvisibleHtaeh
Immortal
Male

Registered: 10/14/18
Posts: 320
Re: First attempt at agar is a bit... off [Re: LadysKnight]
    #26612998 - 04/19/20 01:03 PM (3 years, 9 months ago)

*quickly runs to where plates are stored to flip them right side up*


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"To write is to wage war" ~ Voltaire
"The Drug Medical System cannot bear examination. To explain it would be to destroy it.." ~ R.T. Trall M.D.
"A single lie destroys a whole reputation for integrity." ~ Baltasar Gracian (1601-1658), Spanish philosopher 
"We'll know our disinformation program is complete when everything the US public believes is false."  ~  William J. Casey, 1981
"Fear always works to influence the population, when the population is uneducated."
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Offlineredhandmat
Dude


Registered: 05/09/19
Posts: 463
Last seen: 2 years, 8 months
Re: First attempt at agar is a bit... off [Re: LadysKnight] * 1
    #26613122 - 04/19/20 02:33 PM (3 years, 9 months ago)

Ok this is crazy....
Research gate professors all agree on face down. However,

With that being said. I could have sworn that I read RR said to leave it upside down... Im so wrong though because:

Quote:

PussyFart said:
Quote:

RogerRabbit said:
No.  You should not store petri dishes upside down.  It forces the water in the agar to 'drain' out, collecting on the lid, which then floods the culture when you right the dish/jar.  In addition, mycelium grows best on the top(away from gravity) surface of a flat plane, and when forced to grow upside down, growth and performance is slower.  Since the whole point of isolation on agar is to encourage the fastest growth possible, it should be done in actual Petri dishes that are stored right-side-up for best results.
RR



http://www.shroomery.org/forums/showflat.php/Number/11513433#11513433

Quote:

RogerRabbit said:
NEVER turn petri dishes upside down.  Bacteria labs often do this because they're only growing a culture for a few days to a week.  We use our petri dishes much longer than that and gravity will pull the moisture out of the agar, creating a 'lake' in the lid if inverted.
RR



http://www.shroomery.org/forums/showflat.php/Number/16096716#16096716

Quote:

RogerRabbit said:
Never store dishes upside down.
RR



http://www.shroomery.org/forums/showflat.php/Number/17588971#17588971








I guess its not as straightforward as it sounds. But RR argue that they store it upside down because for them they don't store petri long term. So for us that do it should be right side up...


Edited by redhandmat (04/19/20 02:35 PM)


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Invisiblemushhead
Potato Devourer
I'm a teapot


Registered: 08/22/14
Posts: 2,215
Loc: Dimension X-124
Re: First attempt at agar is a bit... off [Re: redhandmat]
    #26613143 - 04/19/20 02:46 PM (3 years, 9 months ago)

This is what I was elaborating on, storing them upside doesn't have any visible effect. I turn mine upside down and place on a heat source in attempts to remove condensation so I can examine the contents, however otherwise they are right side up. :vaped:


--------------------
Meditation Principles

Silence: Giving you room to listen / Stillness: Giving you room to feel / Spaciousness: Just giving you room


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Offlineredhandmat
Dude


Registered: 05/09/19
Posts: 463
Last seen: 2 years, 8 months
Re: First attempt at agar is a bit... off [Re: mushhead]
    #26613147 - 04/19/20 02:50 PM (3 years, 9 months ago)

Quote:

mushhead said:
This is what I was elaborating on, storing them upside doesn't have any visible effect. I turn mine upside down and place on a heat source in attempts to remove condensation so I can examine the contents, however otherwise they are right side up. :vaped:




I store them upside down since I read on research gate that the pooling water may introduce contams and in my (very very) brief experience it hasnt been detrimental. But I really shouldnt debate the subject since Im not at that level.


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OfflineSockadin
Male User Gallery


Registered: 01/03/10
Posts: 7,244
Last seen: 2 months, 20 days
Trusted Cultivator
Re: First attempt at agar is a bit... off [Re: mushhead]
    #26613150 - 04/19/20 02:51 PM (3 years, 9 months ago)

That's what I'm talking about. Nice find ladysknight


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OfflineTurvenuija
Up shroom creek without a paddle

Registered: 11/07/18
Posts: 190
Last seen: 18 days, 6 hours
Re: First attempt at agar is a bit... off [Re: Machiavelliavore]
    #26614329 - 04/20/20 04:41 AM (3 years, 9 months ago)

Quote:

Machiavelliavore said:
If there are a lot of clumps you have have effectively reduced the nutritional content of your agar to some degree, but at 2% brf that will be no issue.  Also, I personally find I get less clumping when I add hot water to my agar jar first, then whisk in the dry ingredients, as opposed to lots of clumping when putting dry ingredients and putting agar on top.




I thought that might be the case, at least the mycelium will have to work a bit harder to find food so maybe it'll be easier to spot a good place to transfer from? I'll try your way of mixing the ingredients next time, thanks.


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