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Cross-contamination

PostPosted: Mon Feb 20, 2017 2:58 pm
by Julien
Hi everybody

Is there a risk of cross-contamination to ferment at the same time in the same incubator (at about 30 Celsius I think) : shoyu koji, light rice koji, red rice koji and tempeh ?

It would be very convenient in term of logistics for me

Thanks

Julien