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Offlinetomcards
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What type of food coloring for agar? * 1
    #26627092 - 04/25/20 12:50 PM (3 years, 8 months ago)

Guys,

I just started working with agar.  I've seen photos of agar plates in which the agar has been dyed various colors.  I like how the mycelium is more visible against the colored agar background. 

I'd like to buy some type of liquid coloring to mix with my agar.  Does anyone have any recommendations?  I found these two brands:





The Trucolor contains glucose.  Is it potentially unwise to add additional glucose to the agar mix?






The PME doesn't contain any glucose.  Is it preferable?


Please tell me what brands have worked for you.


Thanks,


Tom


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OfflineBsfixit
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Re: What type of food coloring for agar? [Re: tomcards]
    #26627126 - 04/25/20 01:01 PM (3 years, 8 months ago)

They use just plain grocery store food coloring


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Invisiblewoofwoof
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Re: What type of food coloring for agar? [Re: Bsfixit] * 1
    #26627134 - 04/25/20 01:05 PM (3 years, 8 months ago)

I use McCormick brand. I usually use blues, but I only had black and just poured the agar unto plates few hours ago.


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OfflineLogicaL ChaosM
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Re: What type of food coloring for agar? [Re: tomcards]
    #26627145 - 04/25/20 01:07 PM (3 years, 8 months ago)

Any dark color would work. But green might not be the best because trich, a common mold, sporulates green.


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InvisibleSmartattack
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Re: What type of food coloring for agar? [Re: LogicaL Chaos] * 1
    #26627179 - 04/25/20 01:19 PM (3 years, 8 months ago)

If you make your plates pitch black you wont regret.:rockon:


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OfflineLogicaL ChaosM
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Re: What type of food coloring for agar? [Re: Smartattack]
    #26627266 - 04/25/20 01:52 PM (3 years, 8 months ago)

Ive never seen pitch black but it sounds Swank As Fuck :solidnod:


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Invisiblewoofwoof
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Re: What type of food coloring for agar? [Re: LogicaL Chaos] * 1
    #26627287 - 04/25/20 02:00 PM (3 years, 8 months ago)

I just did some pitch black plates! They look bad ass. I cannot wait to see the myc contrast on them. I am going to do some transfers from a few clones tonight on them


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InvisibleSmartattack
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Re: What type of food coloring for agar? [Re: woofwoof] * 1
    #26627320 - 04/25/20 02:16 PM (3 years, 8 months ago)

Well myc is white. Take a wild guess what is most contrasting to white.:rockon:

Granted, you can't see through the agar but I've never learned anything from doing that anyways personally but I'm sure it's useful in some cases.

Here's a couple of mine.



--------------------
* Smarts videos :teacher:
* :thumbup: Planet of the APES:thumbup:
 
I'm a fungal white supremacist.


Edited by Smartattack (04/25/20 02:20 PM)


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Invisiblewoofwoof
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Re: What type of food coloring for agar? [Re: Smartattack] * 1
    #26627344 - 04/25/20 02:24 PM (3 years, 8 months ago)

Yea, thats what I meant. Cant wait to see the black agar and the white myc contrasting!! Yea since I use BRF agar, I cannot see thru it anyways. Figured may as well make it fun


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Invisiblemushhead
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Re: What type of food coloring for agar? [Re: Smartattack] * 1
    #26627351 - 04/25/20 02:28 PM (3 years, 8 months ago)

Some food coloring does not survive a pressure cook


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InvisibleSmartattack
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Re: What type of food coloring for agar? [Re: mushhead]
    #26627365 - 04/25/20 02:33 PM (3 years, 8 months ago)

Weird. My McCormick neon works great!

I don't think any food coloring should be killed by heat, it's meant for food for crumb sake.


--------------------
* Smarts videos :teacher:
* :thumbup: Planet of the APES:thumbup:
 
I'm a fungal white supremacist.


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Invisiblewoofwoof
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Re: What type of food coloring for agar? [Re: Smartattack] * 1
    #26627369 - 04/25/20 02:35 PM (3 years, 8 months ago)

Whats your favorite color smartattack?

Yes, I also lose no coloring due to the PC, only when the myc eats thru it


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OfflineLogicaL ChaosM
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Re: What type of food coloring for agar? [Re: woofwoof]
    #26627387 - 04/25/20 02:42 PM (3 years, 8 months ago)

Cant wait to see some pics! :popcorn:


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Invisiblewoofwoof
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Re: What type of food coloring for agar? [Re: LogicaL Chaos] * 1
    #26627401 - 04/25/20 02:53 PM (3 years, 8 months ago)

I will post when I get some growth!


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OfflineLogicaL ChaosM
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Re: What type of food coloring for agar? [Re: woofwoof]
    #26627403 - 04/25/20 02:54 PM (3 years, 8 months ago)

Thanks man, really appreciate it :thumbup:

I can now imagine a batch of black and red agar for a cool Halloween Witch Vibe :cool: :wizard:


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Offlinetomcards
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Re: What type of food coloring for agar? [Re: LogicaL Chaos] * 1
    #26627434 - 04/25/20 03:08 PM (3 years, 8 months ago)

Thanks for the information guys!

I ordered a McCormick 4-color pack.


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InvisibleSmartattack
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Re: What type of food coloring for agar? [Re: woofwoof] * 1
    #26627451 - 04/25/20 03:16 PM (3 years, 8 months ago)

Quote:

woofwoof said:
Whats your favorite color smartattack?

Yes, I also lose no coloring due to the PC, only when the myc eats thru it





I really like making bright blues and green to look at. The black is still functionally my fav and my new regular plate.


--------------------
* Smarts videos :teacher:
* :thumbup: Planet of the APES:thumbup:
 
I'm a fungal white supremacist.


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Invisiblealaskappalachian
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Re: What type of food coloring for agar? [Re: Smartattack] * 1
    #26627481 - 04/25/20 03:27 PM (3 years, 8 months ago)

Quote:

Smartattack said:
Well myc is white. Take a wild guess what is most contrasting to white.:rockon:

Granted, you can't see through the agar but I've never learned anything from doing that anyways personally but I'm sure it's useful in some cases.

Here's a couple of mine.







Yep Been using some of my older tattoo ink in mine and works just fine.  I likes black. :highfive1:


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