The only bad thing I can think of that can happen with keeping food in a cool wet environment such as one of these conversions is listeria.
It likes cool wet environments.
It can double its numbers every 36 hours at 39'F.
So the closer to freezing you can keep your conversion the better.
Pathogenic listeria is normally only harm full to young children, old people and the unborn.
Cooking it kills it and I don't believe it leaves behind any harmful toxins.
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