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shroomshine
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HELP pls! another "mold or mycelium" question
#26891915 - 08/21/20 02:39 PM (3 years, 5 months ago) |
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Hi there 
so instead of doing another round of "cleaning up" mold I am seeking help in the community... those are all T1s from MS plates. non of them look organized and/or like mycelium to me.
what's your opinion? toss or keep transferring?

musho grazie!
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shroomshine
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Re: HELP pls! another "mold or mycelium" question [Re: shroomshine]
#26891970 - 08/21/20 03:03 PM (3 years, 5 months ago) |
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also.. is there any info out there that LME agar causes weird looking growth? I have done a lot of plates now but non look "really" good even the ones that actually are mycelium look weak
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seand04
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Re: HELP pls! another "mold or mycelium" question [Re: shroomshine]
#26891998 - 08/21/20 03:16 PM (3 years, 5 months ago) |
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Looks like mold to me. I had some like that looked like that. I tossed em.
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DrGreyThumb
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Re: HELP pls! another "mold or mycelium" question [Re: shroomshine]
#26892001 - 08/21/20 03:18 PM (3 years, 5 months ago) |
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It looks more like "dust" (mold) than mycelium to me. If that is mycelium, which it very well could be, it is SUPER weak. If this is occuring across multiple variations and dishes I would examine your agar recipe. Experiment with a different recipes since the mycelium may not have enough nutrients in the agar for strong growth.
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seand04
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Re: HELP pls! another "mold or mycelium" question [Re: DrGreyThumb]
#26892007 - 08/21/20 03:20 PM (3 years, 5 months ago) |
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I ordered this.
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shroomshine
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Re: HELP pls! another "mold or mycelium" question [Re: DrGreyThumb]
#26892021 - 08/21/20 03:27 PM (3 years, 5 months ago) |
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Thanks for the replies!
On this plate I used 20g/L LME .... even if the LME hydrated, I feel like that should be enough nuts to have decent growth.
I first thought that I have mold going on, but after several plates, different clones, syringes, prints, etc. I feel like its suspicious that I have the same type of mold growing fucking everywhere! The other day I transferred and nothing happened at all ? super weird...
I want to switch to a different agar recipe, away from LME now. I just feel like it can't be that I have that large amount of (the same) mold from all different sources... but that's just a feeling... maybe it is possible!
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shroomshine
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Re: HELP pls! another "mold or mycelium" question [Re: shroomshine]
#26892026 - 08/21/20 03:30 PM (3 years, 5 months ago) |
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that's what I used so far
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DrGreyThumb
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Re: HELP pls! another "mold or mycelium" question [Re: shroomshine]
#26892421 - 08/21/20 08:12 PM (3 years, 5 months ago) |
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LME is good for agar but I would add to your recipe. Per 1000mL of water, add. 20g Agar Agar 20g LME 2g Nutritional Yeast
Also, what environmental conditions are you keeping these dishes in?
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dirtybirdx
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Re: HELP pls! another "mold or mycelium" question [Re: shroomshine]
#26892796 - 08/22/20 02:20 AM (3 years, 5 months ago) |
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Quote:
DrGreyThumb said: It looks more like "dust" (mold) than mycelium to me. If that is mycelium, which it very well could be, it is SUPER weak. If this is occuring across multiple variations and dishes I would examine your agar recipe. Experiment with a different recipes since the mycelium may not have enough nutrients in the agar for strong growth.
This was my thought as well. Either mold or really weak mycelium. It seems like you can see the whiter mycelium right around the edges of the wedge and it just stops. When it has a clear barrier of non growth that’s a good indication of contam.
Quote:
shroomshine said: also.. is there any info out there that LME agar causes weird looking growth? I have done a lot of plates now but non look "really" good even the ones that actually are mycelium look weak
These are with the Maltoferm LME only, no yeast, 16g per 1000mL:


-------------------- Need help?

Edited by dirtybirdx (08/22/20 02:21 AM)
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shroomshine
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Re: HELP pls! another "mold or mycelium" question [Re: dirtybirdx]
#26893087 - 08/22/20 08:22 AM (3 years, 5 months ago) |
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those are so pretty thanks for sharing!
I keep my plates in a spare room, 78-80F, not too much light.
Another thing I thought yesterday is, that I am always really fast with making transfers. As soon as something white(ish) shows up, I grab it... maybe I should let things grow out a little more to make a better distinctions.
I will try a little yeast the next time and also give the potato agar a shot.
and I am going to toss those btw... have to get shit done right!!
Just keep on keeping on
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Edited by shroomshine (08/22/20 08:47 AM)
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Spore211215
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Re: HELP pls! another "mold or mycelium" question [Re: shroomshine]
#26893164 - 08/22/20 09:34 AM (3 years, 5 months ago) |
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Sometimes mycelium can look really ugly on agar plates until it grows more or it gets a transfer. As long as you’re not opening them up and playing with the plates I say let the plate grow out a lot and see or do a transfer and don’t cross contaminate anything else you have going on. I’ve had really rhyzo plates come after transfers of crappy looking myc so don’t give up hope.
It’s also could just be mold and a waste of time but try to keep your spirits high haha
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Spore211215
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Re: HELP pls! another "mold or mycelium" question [Re: Spore211215]
#26893166 - 08/22/20 09:37 AM (3 years, 5 months ago) |
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I usually keep a few transferred agar plates around a few days so I can see further growth or any contamination I could have brought into the plate after I opened it. Let’s me kinda see what I should expect on the new plates
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shroomshine
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Re: HELP pls! another "mold or mycelium" question [Re: Spore211215]
#26893176 - 08/22/20 09:43 AM (3 years, 5 months ago) |
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Thank you for the encouragement!
I checked on the MS plates and decided, if it actually is mycelium its too weak anyways. But I normally keep my plates so maybe I can make out in the future if its mold or not.... lol
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dirtybirdx
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Re: HELP pls! another "mold or mycelium" question [Re: shroomshine]
#26899233 - 08/25/20 06:06 PM (3 years, 5 months ago) |
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So what do you use to inoculate then?
Grow your mycelium into sand dollar size pucks and then chop them into quarters or halves to inoculate jars.
👍
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shroomshine
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Re: HELP pls! another "mold or mycelium" question [Re: dirtybirdx]
#26903252 - 08/27/20 09:54 PM (3 years, 4 months ago) |
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LC is what I fell in love with, using the poke method to inoculate the broth
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shroomshine
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Re: HELP pls! another "mold or mycelium" question [Re: shroomshine]
#26903888 - 08/28/20 10:35 AM (3 years, 4 months ago) |
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I just had another light bulb go on!
Could "salty" tap water be a problem?
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Josex
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Re: HELP pls! another "mold or mycelium" question [Re: shroomshine]
#26904001 - 08/28/20 11:37 AM (3 years, 4 months ago) |
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Quote:
shroomshine said: I have done a lot of plates now but non look "really" good even the ones that actually are mycelium look weak
Try switching to a different agar-agar brand. I experienced something similar to what you're describing years ago, even made a thread seeking help. Turned out it was the agar itself. Slow and weak growth and all the cultures looked horrible, but I knew they weren't contaminated because they perked the fuck up on grains and fruited out fine aftewards. Try it and report back.
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shroomshine
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Re: HELP pls! another "mold or mycelium" question [Re: Josex]
#26904010 - 08/28/20 11:41 AM (3 years, 4 months ago) |
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Quote:
Josex said:
Quote:
shroomshine said: I have done a lot of plates now but non look "really" good even the ones that actually are mycelium look weak
Try switching to a different agar-agar brand. I experienced something similar to what you're describing years ago, even made a thread seeking help. Turned out it was the agar itself. Slow and weak growth and all the cultures looked horrible, but I knew they weren't contaminated because they perked the fuck up on grains and fruited out fine aftewards. Try it and report back.
Thanks man I will try that! I am getting fruits too and around 100% BE so I am pretty sure I don't have contamination either. Most tubs make it to the fourth flush.... I already ordered every thing new and different. Going to switch to bottled water too. Definitely going to post if I find something out....
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