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Offlinepanoramics
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Registered: 05/03/20
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Wash/purify agar * 1
    #26655428 - 05/07/20 03:49 PM (3 years, 9 months ago)

Hi

Let's talk about E406 Agar Agar, which is the basic agar for cooking purposes.
Now, since it isn't an Agar for mycological growth like Bacto-Agar, maybe it contains impurities.
I'm asking myself if it is a good idea to wash out the agar, and I found this online:

Quote:

Agar is washed as follows. Cover some agar powder with tap water and let it stand overnight. Decant and add fresh water a total of three times over three days. Next suspend overnight in distilled water. Decant and put the agar into a nylon grape-pressing bag. Squeeze out as much water as possible by hand. If a wine press is available, squeeze the bag in the press. Resuspend in acetone overnight in a fume hood. Wearing rubber gloves, squeeze again manually or if possible in the press. Spread the squeezed-out agar on trays in the fume hood to dry, which takes several days. Stir it occasionally. Grind the dried agar in a food blender to make a powder that will more easily dissolve when making up medium.”




There's someone here that knows more about this specific topic?
Hope I'm too paranoid about agar impurity


Panoramics


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InvisiblebodhisattaMDiscordReddit
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Re: Wash/purify agar [Re: panoramics] * 2
    #26655480 - 05/07/20 04:12 PM (3 years, 9 months ago)

Who cares lol it all works. Whatever impurities there are haven't hurt anyone so far


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Invisiblepanne cyanne
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Registered: 04/15/20
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Re: Wash/purify agar [Re: bodhisatta]
    #26655589 - 05/07/20 05:01 PM (3 years, 9 months ago)

regent grade agar.
i dont see the point.
but the thought is cool.


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Offlinepanoramics
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Registered: 05/03/20
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Last seen: 2 years, 9 months
Re: Wash/purify agar [Re: panne cyanne]
    #26655671 - 05/07/20 05:51 PM (3 years, 9 months ago)

Quote:

panne cyanne said:
regent grade agar.





yeah sure it is the correct agar to use, at the same time it is less affordable and more tricky to find in some countries.

That's the starting point of my thoughts...


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InvisiblebodhisattaMDiscordReddit
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Re: Wash/purify agar [Re: panoramics] * 2
    #26655781 - 05/07/20 06:40 PM (3 years, 9 months ago)

Lab grade agar is around 150-250 dollars for 500g.

25g of telephone agar is a buck


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OfflineLogicaL ChaosM
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Re: Wash/purify agar [Re: bodhisatta]
    #26655788 - 05/07/20 06:49 PM (3 years, 9 months ago)

Ive heard of some people adding tea to agar to make it more antibacterial. Not sure if it works but sounds like it might :shrug:


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InvisibleHans Wermhat
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Registered: 06/10/19
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Re: Wash/purify agar [Re: LogicaL Chaos] * 1
    #26655889 - 05/07/20 07:41 PM (3 years, 9 months ago)

I've used both cheap stuff ordered from overseas and reagent lab grade shit, all works fine and seriously never noticed any difference whatsoever.


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InvisibleNimpo
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Registered: 05/10/12
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Re: Wash/purify agar [Re: Hans Wermhat] * 2
    #26655992 - 05/07/20 08:33 PM (3 years, 9 months ago)

As long as its prepped correctly, it doesnt matter


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Offlinemushpunx
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Re: Wash/purify agar [Re: Nimpo] * 2
    #26656105 - 05/07/20 09:33 PM (3 years, 9 months ago)

Telephone Agar is where it's at! I was buying lab stuff - was so happy when I found the Asian store has it


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OfflineGan
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Registered: 08/26/19
Posts: 927
Loc: Valinor
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Re: Wash/purify agar [Re: mushpunx]
    #26656258 - 05/07/20 10:35 PM (3 years, 9 months ago)

Same. Finally found a small, hole in the wall, asian store with a HUGE box of telephone agar packets at 10 for $8.50. I probably looked so weird checking out with like 30 packets of agar and nothing else.


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Offlinepanoramics
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Registered: 05/03/20
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Last seen: 2 years, 9 months
Re: Wash/purify agar [Re: Gan]
    #26656454 - 05/08/20 01:19 AM (3 years, 9 months ago)

Seems like I have to find a good asian store,
anyway thank you all :thumbup:


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OfflineLogicaL ChaosM
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Re: Wash/purify agar [Re: panoramics]
    #26656528 - 05/08/20 02:35 AM (3 years, 9 months ago)

Yup, Agar is a dessert in the Far East. Never had it but i bet its tasty! :yesnod:


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