Stains the carpet

First of all, doesn't particularly work all that well. But the main reason for my review is to warn you - my cat disposed of a hairball this morning, not long after having some food with this stuff added to it. Now my carpet has a lovely yellow stain that I can't get out. This stuff also stained the plastic food dishes I use to feed the cats. Seriously can't think of one reason to recommend this product.

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