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My friend does not have Internet access and requested that I post to this site on her behalf. She has several jars inoculated with PF growing on brown rice/vermiculite, and they are germinating very quickly. However, in the centers of all the inoculation points, where the germination first started to spread, a very slight pinkish/orange color has appeared. Given the fact that the blotches are uniform, occur in the same place on every single jar, and have not taken over other parts of the jar or spread, could this be something non-bacterial/mold in origin? She has searched the contamination FAQ but did not see anything resembling her problem. Could anyone offer any opinions as to what this might be, and if the jars may still be viable? I do not want her to get sick from contaminated jars. Please view the attached photo. Thanks in advance!
Re: Color appearing in jars possibly of non-contam origin? [Re: level3] #1513744 - 05/02/03 02:54 AM (14 years, 2 months ago)
I don't know but i think it isn't contamination. AFAIK sometimes, if you mess with the water content and the substrate gets a bit dry, the mycelium growth begins to stall and drying a bit starting from the inoculation points. Try dunking the cake in sterile water for 24h after you birth it, then place it inside the terrarium.