I found this startling fact on World's Best Cat Litter web page
"SILICA CAT LITTER
Silica gel litter is made from silica dioxide sand (the same material found in quartz), oxygen and water. The gel contains millions of tiny pores that can absorb up to 40 times their weight in moisture. It comes in spheres (also called “pearls”), half spheres and crystal shapes. Some manufacturers add dyes and scents, so you want to watch out for, and avoid, those. The most worrying part of silica is that it is a well known carcinogen (a substance that promotes cancer).
Crystals are silica which is a known carcinogen.
Not compostable or bio-degradable. "
Scary, huh???





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) And, you may be just right in checking out that possibility that it is the reason he got sick. I have seen the Tidy Cat Crystals at the grocery and wanted to try sprinkling them in with the litter here - now I will not try it of course. My Fresh Step does have some green and blue speckles.....hmmmmm
Wouldn't surprise me if he got sick from those!




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