Comment: Very interesting~

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Very interesting~

I read about DE a while ago when I was researching kefir. I'll look into it.

I think you meant "Perma-Guard" when you mentioned the company to check out. They sell (through distributors) a food grade, fresh water DE called PERMA-GUARD fossil shell flour. I believe this is the powder you were referring to.

Here is a video that talks about some of the benefits...

Diatomaceous Earth---Food Grade
http://www.youtube.com/watch?v=RQn6GSHNzBE