Question: what is the best carpet cleaner for white carpet?
Answer: Best Multipurpose: Folex Instant Carpet Spot Remover. ... 
Best for Wall-to-Wall Carpet: Hoover Platinum Collection Instant Stain Remover. ... 
Best Budget: Resolve Carpet Spot & Stain Remover. ... 
Best for Pet Stains: The Spruce Stain & Odor Remover. ... 
Runner-Up, Best for Pet Stains: Bissell Woolite Advanced Pet Stain & Odor Remover.