Try Windex on carpet stains. My husband taught me this and it really works
By AJCharee
Windex worked on a pink vomit stain when OxiClean, Shout, Folex, Challenge, Ram, and Scrubbing Bubbles wouldn't touch it. So glad I found this.
Kitties are notorious for vomiting up kibbles and hairballs. The first thing to do is remove the solids. Then you will want to use a cleaner that is safe for your wool carpet. This is a page about removing cat vomit on wool carpet.
This is a page about cleaning cat vomit stains from carpet. When your pet gets sick and vomits on the carpet stains often result, from food dyes, and more.