Dr. Elsey's vs Coir Wonder vs Litter Genie: where does the smell come from?

They are not rivals.

By the Clean Fluff Club team. Published October 19, 2026. Picked by what's in it.

  1. Dr. Elsey's

    Cats that avoid scented litter

  2. Coir Wonder

    Litter box smell

The catch

Heavy 40 lb bag. Pour low to keep dust down.

One more thing to remember at each litter change.

Skip it if

You won't switch litters. Add Coir Wonder deodorizer instead.

The smell comes from the trash, not the box. Get a Litter Genie pail.

The fix in 20 seconds

  • Ready to switch litter: Dr.
  • Elsey's Ultra, unscented clumping clay.
  • Keeping your litter: add Coir Wonder.
In this guide3 sections

The cat smell meets you at the front door, and the fix depends on where it starts. Litter, box or trash. These three each cover one.

Quick verdict: start with Dr. Elsey's if the litter is the problem. Add Coir Wonder to the litter you already like. Add the Litter Genie when the trash holds the smell.

Head to head, by smell

The litter itself: Dr. Elsey's

Dr. Elsey's Precious Cat Ultra is unscented clumping clay, so nothing masks a box that needs scooping and there is no perfume cloud when you open the bag. Clumps lift out whole.

The box, with litter you will not switch: Coir Wonder

Coir Wonder Cat Litter Deodorizer

Best for: Litter box smell

Coir Wonder is unscented activated charcoal from coconut shell. Mix it into clay, pine or paper litter every time you change the litter. It works on the box odor and adds no scent.

The trash: Litter Genie

Litter Genie Standard Cat Litter

Best for: Scooped litter, sealed away

If the kitchen trash smells like the litter box, the scooped waste is the source. The Litter Genie seals each scoop into a bag by the box. Empty it every week or two. It runs on refill bags, so order a spare pack.

Litter smell: Dr. Elsey's. Box smell on your own litter: Coir Wonder. Trash smell: Litter Genie.

The three, one by one

Dr. Elsey's Precious Cat Ultra Unscented Clumping Litter

  • Best for: cats that avoid scented litter, in most litter boxes.
  • What you get: unscented clumping clay in a 40 lb bag.
  • The catch: the bag is heavy and the pour is dusty. Pour low to keep the dust down.

Details on the Dr. Elsey's pick page.

Coir Wonder Cat Litter Deodorizer

  • Best for: litter box smell on the litter you already use.
  • What you get: unscented coconut-shell activated charcoal in a 2.2 lb bag.
  • The catch: one more thing to remember at every litter change.

Details on the Coir Wonder pick page.

Litter Genie Standard Cat Litter Disposal Pail

  • Best for: apartments and fewer trips to the outdoor trash.
  • What you get: scooped litter sealed in a bag by the box. Empty it every 1-2 weeks.
  • The catch: it needs refill bags. It does not change the litter or the box.

Details on the Litter Genie pick page, or the full Litter Genie review.

Litter Genie Standard Cat Litter Disposal Pail

Also great

Litter Genie Standard Cat Litter

Best for: Scooped litter, sealed away

Which one to get

  • Get the Litter Genie if the smell follows the scooped waste to the trash.
  • Can't tell? Sniff the box after a scoop. Still smelly: litter or box. Clean box, smelly kitchen: the trash.

Want the whole setup? Read the litter box guide: stop the smell, stop the tracking, or see every pick on the litter odor hub.

Your next move

Questions people ask

Is Dr. Elsey's litter unscented?

Yes. Dr. Elsey's Precious Cat Ultra is an unscented clumping clay.

Does Coir Wonder replace litter?

No. You mix it into clay, pine or paper litter at each litter change.

Does the Litter Genie make the litter smell better?

It seals scooped waste away from the room. It does not change the box, so pair it with unscented litter.

Which should I buy first?

Start where the smell starts. Litter, then box, then trash.

Still deciding? Get this one.

Dr. Elsey's Precious Cat Ultra Unscented Clumping Litter

Best forCats that avoid scented litter

Read the Dr. Elsey's Precious Cat Ultra review

Still fighting this mess?

Every pick for litter and odor control, side by side.

Each pick is matched to one job, with its catch up front and who should skip it.