P1
Product 1: Shark CarpetXpert Upright Carpet, Area...
4.4
Most reviewers report strong results on common set-in stains (mud, wine, tea, pet urine/vomit, and older upholstery marks), especially when using the handheld tools for focused agitation and extraction. One controlled test found upright performance lagged on thicker, greasy food soils like peanut butter, leaving some staining after many passes.
P2
Product 2: Hoover Smartwash Automatic Carpet Cleaner...
2.8
Deep and dried-on stain removal is polarized: some testing found it behind top competitors on tough, set-in stains, while other reviews show very strong results on common spills when using the right tool and finishing passes.