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How to tell if old crock is still usable?

1.6K views 1 reply 2 participants last post by  donnam  
#1 ·
I searched this here but couldn't find anything-maybe you can help

I have a 3 gallon ceramic crock with a lid and I'd like to use it for making kraut - I am a total novice but would like to learn
How can I tell if the crock is still usable?

the glaze is not chipped off at all on the inside...but sort of looks cracked though when I slide my finger over it - feels smooth... seems oldish - has a star with a 3 in it and is brown and cream colored