I know this is a ridiculously old thread but better late than never.
Linked here are instructions on how to build a Crock-type energy cleaner for about $50.
https://supertapping.com/build-a-lee-crock-energy-cleaner-for-less-than-50.php/
I tried it and it was pretty easy to do. Once I gathered the materials, it only took a couple hours.
The only effect I've noticed so far is better sleep. But I'm not complaining.
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