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How long should colonization of grain jars take?
It depends on the species or strain, grain type, the water content, the inoculum type and the incubating temperature.
It depends on the species or strain, grain type, the water content, the inoculum type and the incubating temperature.
At optimum conditions pint jars need around 7 days to completely colonize, but it can take up to 30 days.