Anyhow, the shrinking is something they do when drying out, they might also bruise/blue. I don't think its ever a good idea to spray cakes directly, it may moisten them but will prevent pinning. The only safe way I know to rehydrate cakes is PF's double-ended casing method.

And you certainly don't need 24 hr air exchange for cakes..

As for a way to get them to grow.. its hard to say really, for me if nothing else worked (and you are limited in things to do since they are still in the jar) I would put them in a humid terrarium and let them grow the rest there, and they will, especially if you put them directly on damp perlite.. but its risky this business is because obviously you are susceptable to contamination.

Also, I've had dried cakes which appear to be not growing and then I've opened them up to discover they are contiminated in the core with not visible signs or smell. So.. depending on how colonised they are, perhaps.. perhaps you should put them somewhere where they can rehydrate, ie on the perlite..

Anyway, I'm sure you'd like more than one opinion on this so all those who can answer.. put your word in..

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