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I once talked to a scientist who worked on cat litter for a major corporation. It was surprisingly interesting to hear about the chemistry and geology and supply chain management of such a mundane substance. I guess the DOE scientists running this project were not aware of these subtle issues of chemistry and geology.

Isn't organic cat litter made from corn?

They were in the business of manufacturing non-organic cat litter, the kind made from a special type of clay.

The clay is not that special, it is called bentonite. You can order it by the pallet load, and it is a whole lot cheaper than cat litter. I'm surprised that the spec did not call for bentonite directly, and that no one in these comments has mentioned it either.


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