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Bruising gallery on Shroomok

Photo examples of mycelium bruising, mushroom bruises due to oxidation. Confused with mold contamination, but it's NOT contam. Bruises on shrooms. Mycelium bruising on agar, grain, mushroom cake. Q&A, how to identify whether it's bruising or mold contam

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Looks like the mycelium on the agar is turning blue - mold or just bruising?

Questionable spot is Blue in color just wanna verify that it is bruising of the mycelium

In my first attempt to make own 2 grow bags I think I found some contamination. May you share your opinions what would you do in situation like this #5

In my first attempt to make own 2 grow bags I think I found some contamination. May you share your opinions what would you do in situation like this #4

In my first attempt to make own 2 grow bags I think I found some contamination. May you share your opinions what would you do in situation like this #3

In my first attempt to make own 2 grow bags I think I found some contamination. May you share your opinions what would you do in situation like this #2

In my first attempt to make own 2 grow bags I think I found some contamination. May you share your opinions what would you do in situation like this

Signs of mycelium bruises on the cake which are confused with mold contamination

Cubensis Clockwork Orange mushroom bruising

Pretty sure I've just got some mycelium bruising here #2

Pretty sure I've just got some mycelium bruising here

Crumbled grain spawn for spawn to bulk - its blue, not green - contamination or mycelium bruising

Early trichoderma green mold contamination? Or healthy?

What’s going on here? Yellow spots on mycelium

I made an KSSS liquid inoculant from agar. It bruised. The next day it cleared all out

This is a perfect example of bruising to a culture that could be easily mistaken for Trich

Harvested because it started to shrink. I don’t think it’s contaminated but it started to change colors. Any thoughts? #3

I accidentally misted it, and she's a little blue now

Mycelium got superheated to 110 F. Contam? Shroomok answers in description

I did a g2g. I noticed some of it turned blueish green. Am I safe in assuming that's just bruising? #2

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Contamination Metabolites Overlay Abort Mutation