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Your washing machine can look clean and still smell like a kennel. If you share your home with a shedding dog, a cat that treats the warm laundry pile as a bed, or both, you know the funk — that sour, musty odor that clings to “clean” towels no matter how much detergent you pour in. Most of the time the real culprit isn’t your laundry routine. It’s the slow buildup of pet hair, body oils, dander, and detergent residue on the drum, the door gasket, and all the parts you can’t see.
Uproot Clean’s Washing Machine Cleaner Tablets Ultra are aimed squarely at that problem. The box holds 24 tablets — a 12-month supply at the recommended twice-a-month cadence — built around a multi-enzyme formula the brand claims is 40% stronger than its earlier Pro version. The routine is simple: drop one tablet directly into the drum (the brand stresses it does NOT go in the detergent compartment), run a hot water cycle with the machine empty, and let the enzymes — Alcali Protease, Lipase, Alpha-Amylase — plus sodium percarbonate and tea polyphenols go after the protein-heavy soils pet households generate. The tea polyphenols are meant to neutralize odor rather than just covering it with fragrance.
Does it work? Going by buyer feedback, the fair answer is yes — within reason. The most consistent reports describe noticeably better-smelling machines and visibly cleaner, gleaming drums after a cycle. The enzyme angle makes sense for pet owners, since pet hair and dander are protein-based soils. But this is maintenance, not a miracle: machines with heavy, long-neglected buildup may need several cycles before you notice a real difference, a minority of buyers report little improvement, and the brand’s own FAQ quietly concedes the tablets loosen pet hair rather than fully dissolving every strand. The marketing runs ahead of the chemistry on that point.
One thing to settle before the details: where you buy this matters more than usual. A video reviewer documented that Uproot Lint LLC — the company behind the brand — holds an F rating with the Better Business Bureau, with a pattern of complaints about shipping and order fulfillment on purchases made directly through the brand’s own website. The tablets themselves earn decent feedback from Amazon buyers. So buy from Amazon or another reputable retailer, and skip the brand’s direct storefront. I’ll repeat that at the end, because it’s the kind of detail that costs real people real money.
| DETAIL | SPEC |
|---|---|
| Product Photo | ![]() |
| Name | Uproot Clean Washing Machine Cleaner Tablets Ultra — 24 Pack (12-Month Supply) — Designed for Pet Owners |
| Key Specs |
|
| Best For | Pet owners battling washer odor and residue who want a simple twice-monthly maintenance routine. |
| Get It | Check Price on Amazon |
What the Ultra tablets are, and how to use them

Note: the product photo above shows the “Pro” packaging variant of the same Uproot product line — the pictured packaging may differ from the linked “Ultra” listing on Amazon.
There’s nothing complicated about the product itself, which is part of the appeal. Each tablet goes straight into the washer drum — not the dispenser drawer, not the detergent compartment. Run a hot water cycle with nothing else in the machine and you’re done. The brand’s FAQ names the key ingredients as tea polyphenols, Alcali Protease, Lipase, Alpha-Amylase, and sodium percarbonate. It’s marketed as compatible with HE, top-load, and front-load machines, and as septic-safe. At the recommended twice-monthly cadence, the 24-count covers a full year. The pitch is basically: set a routine and stop thinking about it.
The “Ultra” label deserves a sentence of skepticism. The brand claims this formula is 40% stronger than the Pro version — a claim I can’t independently verify, so treat it as brand positioning rather than lab-tested fact. What matters more in practice is consistency: washer cleaners only do their job if you actually use them on schedule, and having a year’s supply in one box removes the “I forgot to reorder” excuse. Whether the Ultra badge means much chemically, the routine is what delivers results.
What buyers like
The praise clusters around a few consistent themes:
- Noticeably better-smelling machines. This is the headline benefit — buyers describe the sour, musty odor lifting after a cycle, sometimes dramatically.
- Visibly cleaner interiors. Gleaming drums and cleaner-looking gaskets come up again and again.
- The pet-specific enzyme story. Pet owners respond to a formula that targets pet hair proteins (per the brand’s FAQ) instead of a generic descaler.
- Odor neutralization without heavy fragrance. The tea polyphenol approach means no harsh chemical perfume smell afterward.
- Broad compatibility. HE, top-load, front-load, and septic-safe covers nearly every household.
- A third-party review analysis rated the product’s review profile as trustworthy — a useful sanity check in a category full of inflated ratings.
What buyers complain about
The criticisms are fewer, but they’re worth hearing before you buy:
- Heavy buildup may need multiple cycles. If a machine has been neglected for years, a single tablet is unlikely to transform it — a minority of buyers report little improvement and give up too early.
- One buyer noted a powdery trace left behind in hard water, though it wiped off easily.
- The 24-pack is a commitment. There’s no smaller trial size, so you’re buying a full year’s supply to test something you’ve never tried.
- The pet hair claim is softer than the ads suggest. The brand’s own FAQ says the tablets loosen pet hair rather than fully dissolving every strand — if you’re picturing fur vanishing entirely, reset that expectation now.
Red flags worth knowing
A couple of these genuinely matter.
First, the buying-channel warning from the intro, repeated because it’s important: the BBB F rating and the pattern of shipping complaints attach specifically to orders placed directly through the brand’s website. Amazon’s buyer protections exist for exactly this kind of situation. Buy the tablets from Amazon or another reputable retailer — not the brand’s storefront.
Second, this is a chemical cleaner, not a toy. Keep the tablets out of reach of children and pets, and follow the label directions. Dissolvable tablets look deceptively harmless sitting on a laundry shelf.
Third, calibrate the pet hair expectation one more time: the tablets loosen hair and grime so the rinse cycle can carry it away. They don’t dissolve every strand. If your washer’s drain filter is packed with fur, that part is still a manual job.
The verdict
For pet households fighting washer odor, these tablets are a sensible maintenance habit with genuinely good buyer feedback behind them — fresher-smelling machines, cleaner drums, and a pet-specific enzyme formula that makes sense for the job. The honest limitations: neglected machines need patience and repeat cycles, there’s no trial size, and the pet-hair-dissolving claim is weaker than the marketing implies.
The biggest variable isn’t the tablet, though — it’s the checkout. Order from Amazon or a reputable retailer and you sidestep the fulfillment mess tied to the brand’s direct store. Do that, run a tablet twice a month, and your towels might finally smell like nothing at all. For a pet owner’s laundry, “nothing” is the dream.
How do you use washing machine cleaner tablets?
Drop one tablet directly into the washer drum — not the detergent compartment or dispenser drawer — then run a hot water cycle with the machine empty. Uproot recommends doing this twice a month for maintenance.
How often should I clean my washing machine?
For pet households, twice a month is the brand’s recommended cadence — that’s why the 24-pack is sold as a 12-month supply. More generally, a monthly cleaning cycle is the common guidance if you regularly wash pet bedding or heavily soiled loads.
Is it safe for septic systems?
The brand describes the Ultra tablets as septic-safe, and they’re marketed as compatible with HE, top-load, and front-load machines. If your septic setup has specific chemical sensitivities, it’s worth checking the ingredient list with your septic professional first.
Does it really remove pet hair?
It loosens pet hair, grime, and residue so the rinse cycle can flush them away — but the brand’s own FAQ admits the tablets don’t fully dissolve every strand. Think of it as a maintenance cleaner, not a replacement for manually clearing a packed drain filter.

