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Rated
4.8/5
by 663 verified customers
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With Today's Launch Offer*
12 tablets
per pack
6 months
of deep cleans
Odour - Keeps blood flowing the way it should
Pet hair - Daily support your cardiovascular system needs
Biofilm - Clean, steady fuel. No caffeine, no crash
Septic safe - 1,300mg of beetroot powder. One ingredient
Limited Time Offer
One Tablet Every Fortnight
One Pack Lasts Six Months
Subscription Details
[DA COMPILARE] subscription price and cadence (1 pack)
[DA COMPILARE] subscription price and cadence (2 + 1)
[DA COMPILARE] subscription price and cadence (3 + 2)
Adjust deliveries or cancel anytime
Free UK delivery on orders over £30.
Fast Delivery
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60 Day Money Back Guarantee
Use every last tablet. If your washing still smells, one email to support@primedrum.com within 60 days of delivery gets you a full refund. No hassle, no questions asked.
Stop Treating the Symptom. Eliminate the Source.
Stop Treating the Symptom. Eliminate the Source.
If your washing comes out of the machine already smelling of wet dog, the smell is not on your clothes. It lives in a slimy layer of bacteria inside the machine, on the drum, the door seal and the pipes, and pet hair feeds it. Vinegar, bleach and supermarket tablets flatten the surface, so it fades for a few days and comes back. PrimeDrum breaks the layer apart and flushes it down the drain.
One pre-dosed tablet, one empty hot wash, every fortnight. Compatible with every washing machine, septic safe, fragrance free.
Source First: PrimeDrum breaks down the biofilm where the smell starts: drum, seal, hoses and pump.
Three Named Enzymes: Protease, lipase and alpha-amylase, printed on the pack. Nothing hidden.
Made in the UK: Made in the UK, septic safe, fragrance free, cruelty free, 60 day guarantee.
What to Expect
What to Expect
PrimeDrum is not a scent. It is a deep clean. Run one tablet in an empty hot wash and watch the water come out brown. From then on, one tablet every fortnight keeps the biofilm from rebuilding. The result is washing that smells of nothing.
60 Day Guarantee
60 Day Guarantee
The Empty Pack Promise.
Try PrimeDrum for a full 60 days. Use every last tablet.
If your washing still smells, email support@primedrum.com within 60 days of delivery for a full refund. No need to send the pack back.
Delivery & Returns
Delivery & Returns
Fast, Tracked & Easy.
Fast Delivery
Orders are dispatched from our London fulfilment centre and most UK orders arrive within 5 working days.
Free UK Delivery
Included on all orders over £30.
Easy Returns
Not happy? Email our UK support team at support@primedrum.com within 60 days of delivery for a full refund.
Real Pet Owners. Real Machines.
Rated 4.8 / 5.0 | 663 Verified Reviews
The cleaner works as described
5.0
The cleaner works as described. Honest! Check out what came out of our drum!
Sophie T. • Verified Customer
Okendo verified review
Keeps the stink out
5.0
I bought the washer cleaner and it worked really well. I will be using it monthly to keep the stink out of the washing machine.
Oliver H. • Verified Customer
Okendo verified review
Worth it to protect the washer
5.0
After the first wash with PrimeDrum the hair was gone and so was the smell! I'll definitely be ordering again.
Mark S. • Verified Customer
Okendo verified review
The smell test showed improvement
5.0
I only used it once so far but the smell test showed improvement. Will continue to use. I have horses and the machine is frequently tested!
Hannah P. • Verified Customer
Okendo verified review
Frequently Asked Questions
Everything You Want to Know Before You Order
How do I use PrimeDrum?
How do I use PrimeDrum?
Empty the machine, drop one tablet straight into the drum (not the drawer) and run a hot cycle or the Clean Washer programme. Wipe away any loosened residue from the seal afterwards. That is it.
What makes it different from Calgon, vinegar or bleach?
What makes it different from Calgon, vinegar or bleach?
Those products work on the surface. Vinegar, bleach and supermarket tablets flatten the top layer of the biofilm, so the smell fades for a few days and comes straight back. PrimeDrum uses three named enzymes, protease, lipase and alpha-amylase, that break the biofilm apart and strip out the keratin from pet hair and the grease it feeds on.
When will I notice the difference?
When will I notice the difference?
On the first cycle. Most customers see the water run brown as the build-up comes away, and the next load comes out smelling of nothing. One tablet every fortnight keeps it that way.
Will it work with my machine?
Will it work with my machine?
Yes. PrimeDrum works with every washing machine: front loaders, top loaders, compact and HE machines. It is septic safe, fragrance free and cruelty free.
What if it doesn't work for me?
What if it doesn't work for me?
You're covered by our 60-Day Empty Pack Promise. Use every last tablet. If your washing still smells, email support@primedrum.com within 60 days of delivery for a full refund. No need to send the pack back.
How fast is delivery?
How fast is delivery?
Orders are dispatched from our London fulfilment centre. You'll receive tracking by email, and most UK orders arrive within 5 working days. Delivery is free on orders over £30.
Modern Washing Habits Feed the Problem
Eco cycles, 30 and 40 degree washes and a house full of pet hair give the biofilm everything it needs. A tablet every fortnight takes it away.
Breaks down the biofilm at the source
Three named enzymes on the label
One tablet, one empty hot wash.
A simple addition to your fortnightly routine
THE FORMULA BUILT FOR HOMES WITH PETS
Clean your machine from the inside out
PrimeDrum's triple-enzyme tablet reaches the drum, the door seal, the hoses and the pump, where the biofilm lives, and breaks it apart so it flushes down the drain.
Eliminates Washing Machine Odour
Breaks Down Pet Hair
Clears Grime and Residue
Works With Every Machine
Why PrimeDrum?
The Cause
A Hidden Layer of Biofilm
The smell is not on your clothes. It comes from a slimy layer of bacteria inside the machine, on the drum, the seal and the pipes. Pet hair makes it worse: keratin reinforces the biofilm like rebar in concrete.
The Gap
Supermarket Cleaners Only Reach the Surface
Vinegar, bleach, Calgon and percarbonate tablets flatten the top of the layer. The colony rebuilds in days, which is why the smell always comes back.
The Solution
One Tablet, One Empty Hot Wash
PrimeDrum's three enzymes, protease, lipase and alpha-amylase, dissolve the keratin, strip the grease and break the matrix apart. Drop it in and walk away.
LOW TEMPERATURE WASHES MAKE IT WORSE
Why Modern Machines Smell More Than Old Ones
The biofilm only dies above 60 degrees, and almost nobody washes that hot anymore. Eco and quick cycles at 30 or 40 degrees leave it untouched, so it grows wash after wash. That is why a new machine can smell worse than the one your nan had.
PrimeDrum vs Supermarket Cleaners
PrimeDrum is the only UK washing machine cleaner with three enzymes named on the label, built to remove the source of the smell rather than cover it.
What PrimeDrum Customers Experience Over Time
First Wash:
Brown Water Proof
First Wash: Build the Habit
Empty the drum, drop in one tablet and run a hot cycle. Most customers watch the water run brown as the build-up comes away. That is the biofilm leaving the machine.
The next load comes out smelling of nothing
Loosened hair and residue around the seal
Week 2:
Second Tablet
Week 2: Stay Consistent
Run the second tablet a fortnight later. The enzymes keep working on the parts you cannot reach: behind the drum, the hoses and the pump.
Towels and dog beds stop smelling
The door seal stays clean
Month 1-2:
Settle Into the Routine
Month 1-2: Settle Into the Routine
By now the fortnightly tablet should feel automatic. Customers tell us it has become part of their wash routine, with no rewashing and no scrubbing the rubber rim.
No more rewashing the same load
Filter and drawer stay clear of gunk
Month 3-6:
Long-Term Protection
Month 3-6: Long-Term Daily Support
One pack of 12 tablets covers six months. Keep going and the biofilm never gets the chance to rebuild, which protects the pump and seals and helps the machine last longer.
Washing that smells of nothing, every load
A machine that lasts longer
60 Day Money Back Guarantee
Try PrimeDrum for a full 60 days. Use every last tablet. If your washing still smells, email us within 60 days of delivery for a full refund. No need to send the pack back.
Why PrimeDrum?
PrimeDrum vs Other Brands
Three Named Enzymes on the Label
Removes the Source, Not the Smell
Built for Homes With Pets
Works With Every Machine, Septic Safe
Made in the UK
60 Day Money Back Guarantee
What PrimeDrum Customers Told Us
In a 2026 survey of 3,985 PrimeDrum customers:
91%
Wash at 40 degrees or below
usually wash at 40 degrees or below, where the biofilm survives
68%
Had the smell with a previous machine too
had the same smell with a previous machine too
36%
Had considered replacing the machine
had considered replacing their machine because of it
Based on a survey of 3,985 PrimeDrum customers conducted June to October 2026.
Model shown for illustrative purposes.
60 Day
Money-Back Guarantee
Try PrimeDrum for 60 days. If your washing still smells, email us within 60 days of delivery for a full refund. No need to send the pack back.
100% Money Back Guarantee
No Questions Asked
Reviews
Verified Customer Reviews
Rated 4.8 / 5.0 |
663 reviews
5.0
I recently received this product and was a bit skeptical but willing to give it a try. I have a large German shepherd and pet hair is everywhere and very noticeable in the washer. After several uses of this product, I've noticed the washer, drum cleaner, fresher, and free from hair. My normal routine usually included wiping down the washer and even spraying it inside to make it smell better, but this product far exceeded my expectations.
Amelia R. • Verified Customer
5.0
First of all, my dog sheds and I have long hair. After washing both of our laundry, my washer gets full of hair and it also smells. After the first wash with PrimeDrum the hair was gone and so was the smell! I'll definitely be ordering again and I look forward to checking out all of the other products as well!
Charlotte M. • Verified Customer
5.0
I am always paranoid that my house smells like our shepherd mix. Since using PrimeDrum and staying on top of our washer, my sister actually asked what detergent I switched to because the laundry smelled so fresh. That was the validation I needed.
Jenna L. • Verified Customer
Frequently Asked Questions
Can I buy PrimeDrum in shops?
Can I buy PrimeDrum in shops?
PrimeDrum is sold directly through our website. That is how we keep the price down and the formula exactly as it is on the label.
What are the ingredients?
What are the ingredients?
Three enzymes, protease, lipase and alpha-amylase, plus sodium percarbonate, sodium carbonate, sodium silicate, citric acid, sodium polyacrylate, tea polyphenols and fatty alcohol polyoxyethylene. Fragrance free. See the full list on the pack.
Is it safe for my machine and my septic tank?
Is it safe for my machine and my septic tank?
Yes. PrimeDrum is compatible with every washing machine, including HE machines, and is 100% septic tank safe.
How should I store the tablets?
How should I store the tablets?
Keep the pack sealed in a cool, dry place away from damp. Each tablet is individually pre-dosed, so there is nothing to measure.
Does it dissolve pet hair?
Does it dissolve pet hair?
The tablets do not completely dissolve pet hair, but the protease enzyme breaks down the keratin that binds hair into the biofilm, so it loosens and flushes away with the cycle instead of clogging the seal and the filter.
Where do I put the tablet?
Where do I put the tablet?
Straight into the empty drum, not the detergent drawer. Then run a hot cycle or the Clean Washer programme.
How often should I use it?
How often should I use it?
One tablet every fortnight. If the machine has not been cleaned for a long time, or you wash a lot of pet bedding, run two cycles the first time.
How many tablets are in each pack?
How many tablets are in each pack?
Each pack contains 12 tablets, which is six months of fortnightly deep cleans.
Shouldn't the machine clean itself with the detergent?
Shouldn't the machine clean itself with the detergent?
Detergent is built to clean clothes, not the machine. At 30 or 40 degrees it leaves the biofilm untouched, and the grease and hair it washes off your laundry feed it. Something has to break that layer apart, and detergent cannot.
What if it doesn't work for me?
What if it doesn't work for me?
We want you to feel confident trying PrimeDrum. If your washing still smells, contact us at support@primedrum.com within 60 days of delivery and our team will arrange a full refund. No need to send the pack back.
What is your return policy?
What is your return policy?
If you're not satisfied with PrimeDrum, contact us within 60 days of receiving your order and we'll issue a full refund. Your satisfaction matters to us.
© 2026, PrimeDrum
*Launch offer prices compared with the standard single pack price of £19.90. Testimonials are from verified PrimeDrum customers and reflect their own experience; results depend on the condition of your machine and how regularly the tablets are used.
Always follow the usage instructions on the pack. PrimeDrum is a washing machine cleaner for household use. Keep out of reach of children and pets. [DA COMPILARE] company details.