Yes, I've seen the silica litter. It's supposed to absorb the urine and all you would have to do is scoop the poo. I'm a little leery of it because I can imagine that if you don't raise the cat on it, it would have a completely different look and feel than the cat is used to. And, since one of my cats is picky, I wouldn't be able to try it anyway. Plus, I was wondering what would happen if my cat ingested some of the silica pellets.

I did try one of the natural litters, however. Have you heard of these? There are many different kinds. There is one that's made out of recycled newspaper, and the one that I tried (I got it as a sample from a tradeshow I attended) was the corn based litter. It was neat because it had little to no odor, and it was flushable(it was called World's Best Cat Litter). My one cat didn't mind it, but my picky cat threw a fit. These kinds of litter may be a little safer to try.

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"In a cat's eye, all things belong to cats." - English proverb