I can't find the original message, but think this link was posted here:
http://www.nitron.com/

For anyone who may need to know (that would be me, for one) I received the following email from Nitron:

Our ocean water D.E. is food grade.
Marsha
Nitron Industries, Inc.
P.O. Box 1447
Fayetteville, AR 72702
(479) 587-1777
[email protected] <mailto:[email protected]>

Reason I needed to check is allergy. I need Freshwater DE.
sol

--
“All higher animals, including the cat, are essentially tubular.” Pollock, R. 
Cornell Book of Cats.


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