Preserving the Crayfish Shell?

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Endless Ocean in My House

Aquarium Advice Regular
Joined
Aug 27, 2011
Messages
65
Our Florida Blue Crayfish molted...
I have to admit that his "shell" (I don't think it's called a shell?) is pretty cool...

How can I preserve it? I've heard of doing it in baking soda or rubbing alcohol but I've never tried it before.

Also, I know his new exoskeleton will be more vulnerable--is there anything we should be doing to the water?
 
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