Top 5 Best Washing Machine Cleaners of 2026

The OdorCrush Washing Machine Cleaner earned the top spot because it fixed the problem most cleaners only cover up. After the first cycle, the washer didn’t smell like citrus or “fresh linen.” It smelled like nothing at all, and the towels we washed next still smelled clean after drying and folding.

That difference comes from what OdorCrush works on. Instead of pairing an oxygen cleaner with a strong perfume, it combines three enzymes, oxygen-based cleaning, citric acid and odor neutralizers in one fragrance-free tablet. It cleans out the buildup that makes a washer smell rather than giving it a nicer scent to hide behind.

The Smell Starts With Residue You Can’t See

A washer handles soap and water every day, yet it never gets a proper rinse of its own. Detergent and softener leave a film, and every load adds body oil, skin cells and, in homes with dogs or cats, hair, dander and saliva. That mix settles into the folds of the door gasket, the underside of the drum and the drain path. Odor-causing bacteria feed on it and build a slimy layer that clings to those surfaces. Kept warm and damp between loads, that layer becomes the sour, mildewy smell that transfers back into freshly washed laundry.

Because the buildup isn’t one substance, a single-action cleaner leaves part of it behind. OdorCrush gives each ingredient its own job. Protease breaks down protein-based soil such as skin cells, dander and pet saliva. Amylase handles starch-based residue, and lipase dissolves the oily film that anchors the buildup to the drum. Once the enzymes have broken it down, sodium percarbonate releases active oxygen to lift it away, while citric acid dissolves the mineral deposits where residue tends to collect. The bacteria lose the buildup they live on, and the cycle carries it out of the machine.

A Neutral Smell Was the Proof

In our testing, the first OdorCrush cycle in a heavily used front-loader flushed out visible gray residue and loose hair, and the drum and gasket came out looking noticeably brighter. The more telling change was the smell. OdorCrush contains no fragrance, so nothing covered the result; tea polyphenols neutralize lingering odor instead of masking it.

That made the improvement easy to judge. Towels that used to pick up a stale note by the afternoon came out of the dryer smelling simply clean and still smelled that way when we pulled them from the linen closet. Gym clothes lost the sour edge that usually survives a wash, and a load of dog bedding no longer left the drum smelling like the dog. For the first time in a long while, clean laundry actually smelled clean.

Made for Pet Homes, Simple in Any Washer

Pet owners usually notice washer odor first, because hair, dander and saliva feed the buildup faster than ordinary laundry does. OdorCrush is formulated for exactly those loads. Its enzymes loosen hair and pet residue from the drum and gasket so the cycle can carry it away, and the same tablet works whether the house has one cat or several large dogs. There is no second strength to choose.

Using it takes about as long as starting any wash. Empty the drum, drop one tablet inside rather than in the dispenser, and run a Clean Washer or Normal hot cycle. It works in HE, front-load, top-load and compact washers, and it’s septic safe.

Where the Familiar Names Fell Short

Affresh is the cleaner most people already know, and its slow-dissolving tablet does a dependable job on detergent residue. Its formula relies on oxygen cleaning and surfactants with a citrus fragrance, though, and has no enzymes for the protein and oily residue that body soil, hair and dander leave behind. After an Affresh cycle, the washer smelled pleasantly of citrus, which made it harder to tell whether the musty smell was really gone. With OdorCrush, the neutral result was the answer.

Uproot Clean comes closer, with enzymes and tea polyphenols aimed at pet odor. It doesn’t explain what its enzyme blend targets, however, and buyers have to match its tablet strength to the pets in their home. Tide and OxiClean depend on oxygen powder with added scent, which freshens a drum quickly but does less about the protein and oily buildup that keeps bringing odor back.

Is OdorCrush Worth It?

Yes. A musty washer costs more than it seems: rewashed loads, extra detergent, towels replaced because they “always smell,” and the quiet embarrassment of laundry that never smells quite clean. OdorCrush removes the residue behind that smell instead of perfuming over it, and its tablets cost less per cleaning than the big-name cleaners most people use once a month. That makes the twice-monthly routine easy to keep, and keeping it is what stops the odor from returning.