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I have a MAZ cake that is very much in progress but I noticed a small gray spot starting to form on the mycelium in the bottom of the jar. The jar is packed a little tight and my syringe TEK was not exactly the very best but I want this mystical item so I used a little H2O2 injected into the jar. The H2O2 went around the side to the bottom and seemed to go right to work on that spot. I could see just a little bubbling. The grayness has started to clear up. I wondered if anyone has used this much previously and were you successful??? Any negative side effects on the mycelium or substrate to report??
The H2O2 was just partially effective . I may try a very diluted solution (200:1) of bleach to see if it that will be more effective at removing/stopping contamination without damage to the mycelium. I don't want to lose this cake so I am working on it and learning at the same time.
I did an in the jar Bleach Tek injection and it seems to be working okay. The small area of discoloration is gone and the colonization seems to be proceeding okay. I have the tape off the holes to let out the excess moisture from where I hit it with H2O2 and then very diluted water/bleach solution. Looks happy enough now...