The stain wants a cover-up. Give it a cleanup instead.

Biokleen Bac-Out Pet Stain & Odor Remover

Our #2 pick for pee and accident smell

Biokleen Bac-Out Pet Stain & Odor Remover

Live enzyme cultures for pee, poop and vomit. Green Seal certified, with every ingredient on the maker's page.

Live enzyme cultures for pee, poop and vomit.

  • Best for: Fresh pet accidents, plus laundry and household messes

  • Skip it if: The stain is old and set in, and needs a longer soak.

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Badges, with receipts

What Biokleen Bac-Out Pet Stain & Odor Remover earned, in the source's own words. What each badge means

Why this one

  • Live culturesLive enzyme cultures keep working on the mess after you spray.

  • Green SealGreen Seal certified (GS-52). Light lavender-lime scent, and no artificial colors or fragrances.

  • Laundry tooPet stains, laundry and household messes, all from one bottle.

How it'll go

  1. Spray the spot and leave it 5 minutes or more.
  2. Blot it up.
  3. Still see or smell it? Repeat.

What you'll notice

  • Check the spot once it's fully dry before you decide it worked.

Good to know

The catch: Enzymes keep working after you spray, so give old stains a soak

  • Enzymes take their time. Give old stains a soak and patience.
  • Light lavender-lime scent, so judge the spot once it's dry.

Skip it if: The stain is old and set in, and needs a longer soak.

Quick facts

  • TypeEnzyme cleaner (live cultures)
  • Use onCarpet, couches, beds, crates, laundry
  • Size1 gallon
  • ScentLavender lime
  • ForDogs and cats