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That musty smell in your laundry room is likely coming from your washing machine seal. Here is how to clean it safely.

Follow this simple DIY appliance maintenance guide to eliminate musty odors for good. We cover the tools you need and the exact technique to ensure you do not damage the seal, saving you from a costly service visit or a premature machine replacement.




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This video may include a mix of original footage, custom visuals, stock media, public-domain material, and occasional brief third-party visual clips used only to support original commentary, instruction, and educational storytelling. All narration, editing, music, and overall presentation are original to this channel.
Transcript
00:00That musty smell in your laundry isn't your clothes, and it isn't your detergent.
00:04It's a strip of black film growing in a fold of rubber you have never once pulled back.
00:08Same shade of grime, whether you buy the fancy machine cleaner or the cheap one,
00:12because neither of them reaches the spot it lives in.
00:15A repair guy will charge you a hundred bucks to tell you the door boot is contaminated,
00:19or a salesman will nudge you toward a whole new machine for a thousand.
00:23The actual fix costs about three dollars and takes 15 minutes.
00:27Today, I'm going to show you where the mold hides, the mix that kills it,
00:30the little trap door at the bottom that's probably full of coins and sludge,
00:34and the two-second habit that stops it from ever coming back.
00:37Go to your washer and pull the rubber gasket toward you,
00:41the big flexible ring around the door opening.
00:43Fold the lip back and look underneath it in the bottom curve.
00:46That dark, slimy band you're looking at is it.
00:50That's the smell.
00:51It was never in the drum, it was hiding in a pocket you can't see with the door shut.
00:55But here's why it grows there and nowhere else.
00:58The fold is a permanently wet, dark, sealed cave.
01:01After every wash, a little water pools in the bottom of the boot, and just sits.
01:06Your high-efficiency machine uses barely any water and runs cool to save energy,
01:10so it never gets hot enough to sterilize anything.
01:13And it leaves a thin film of detergent and fabric softener behind on the rubber.
01:19That film is food.
01:21Warm, damp, dark, and fed daily.
01:24That's not a washing machine anymore, that's a Petri dish with a spin cycle.
01:28The stuff growing there is biofilm,
01:30a colony of mold and bacteria that builds its own slimy shield,
01:35which is exactly why a quick wipe with water does nothing.
01:38You have to break the shield chemically.
01:40So here's the $3 fix.
01:42Skip the specialty gels for now.
01:44Mix one cup of plain white vinegar,
01:46one cup of water,
01:47and a teaspoon of dish soap in a spray bottle.
01:50A gallon of white vinegar runs about $3 or $4,
01:52and you'll use a splash of it.
01:54Spray the whole gasket down.
01:56Get right into the fold and let it sit for 10 minutes
01:59so the acid can eat through that slimy shield.
02:02Then take an old toothbrush and scrub the fold.
02:04Working around the whole ring,
02:06the dish soap cuts the greasy softener residue
02:08while the vinegar kills the growth.
02:10Wipe it out with a rag,
02:12and for stubborn black staining that won't budge,
02:14this is the one time a thick bleach gel earns its keep.
02:18Smear it on the stain,
02:19walk away for a few hours,
02:21come back and rinse.
02:22That's it.
02:25Two things to sort out before you scrub,
02:27because they change what you're doing.
02:29First, if you press on that rubber and it feels stiff,
02:32cracked,
02:33or you can see a split or a tear in the boot,
02:36no amount of cleaning fixes that.
02:38A torn of bellows has to be replaced,
02:41and the part runs 40 to 80 dollars if you do it yourself.
02:45Second,
02:46if the black staining is deep in the rubber
02:48and won't lift after bleach,
02:49that's cosmetic, not dangerous.
02:51It's dyed the rubber, not living on it anymore.
02:54Sort those two out first,
02:56so you're not scrubbing a seal that needs swapping.
02:58Let me kill the myths,
03:00because they're the reason this keeps coming back.
03:02Myth one,
03:03running an empty hot cycle cleans it.
03:05It doesn't touch the fold.
03:07The water level never reaches up into that pocket,
03:10so the exact spot the mold lives in
03:12stays bone dry during the cycle and untouched.
03:15Myth two,
03:16pour bleach in every load,
03:17and you'll stay clean.
03:19That's how you wreck the seal.
03:21Constant bleach dries out and cracks the rubber,
03:24and now you've turned a cleaning problem
03:25into a replacement problem.
03:26Myth three,
03:28the self-clean or tub clean setting handles everything.
03:31It scours the drum,
03:33sure,
03:33but it was never designed to reach the gasket fold
03:36or the drain filter,
03:37which are the two spots that actually stink.
03:40Myth four,
03:40and this one's backwards from what you'd guess.
03:43More detergent means cleaner.
03:44More detergent means more leftover residue coating the machine,
03:48and more residue means more food for the biofilm.
03:50People smell mildew,
03:52assume they're not cleaning enough,
03:53add more soap,
03:54and feed the exact thing they're trying to kill.
03:56If fixes like this,
03:58or not the cheap thing that quietly solves the expensive problem,
04:02are your kind of thing,
04:03hit subscribe.
04:04Members get early access to these
04:06in the full parts and price lists I only post over there.
04:09Now the part,
04:10almost nobody knows,
04:12exists.
04:13Down at the bottom front of your machine,
04:14there's a little panel or trap door,
04:16usually a small rectangle.
04:19You can pop off with your fingers or a flat screwdriver.
04:22Behind it is the drain pump filter,
04:24sometimes called the coin trap.
04:26Put a shallow dish and a towel down first,
04:29because water is going to come out.
04:31There's usually a small drain hose you unclip and empty.
04:35Then,
04:36a round filter cap you twist counterclockwise to pull out.
04:40Brace yourself for what comes with it.
04:42This is where every coin,
04:44hair tie,
04:45sock button,
04:46and gray slurry of lint and gunk
04:48from years of washing has been collecting.
04:51That sludge is a second mold factory,
04:54feeding the smell,
04:55sitting in standing water full time.
04:58Rinse the filter under the tap,
05:00scrub it with the same vinegar mix,
05:02twist it firmly back in,
05:04and make sure the little drain plug is seated tight,
05:07so you don't get a leak.
05:09Most people go the entire life of their machine
05:12and never open this.
05:13It should be cleaned a couple times a year.
05:17While you've got that gasket folded back,
05:20look at the very bottom of the rubber
05:21for a couple of small holes,
05:24sometimes one,
05:25sometimes two,
05:26or three.
05:27Those are drain holes,
05:29and they're the reason your boot pools water in the first place.
05:32They're supposed to let the leftover water
05:34trickle back into the tub after a wash
05:37so the fold dries out on its own.
05:39The problem is,
05:41they're the size of a pencil tip,
05:43and after a year of lint and softener scum,
05:46they plug solid.
05:48Once they're blocked,
05:49every drop of water from every wash
05:51just sits in the bottom of that fold
05:53with nowhere to go,
05:54and you've got a permanent puddle feeding the mold.
05:58Poke them clear with a zip tie,
06:00a pipe cleaner,
06:01or a bent paper clip.
06:02Wiggle it around until they run free,
06:05and flush a little of your vinegar spray through.
06:08Clear those holes,
06:10and the boot starts draining itself again.
06:13You've fixed the cause,
06:15not just the symptom.
06:17For the drum itself,
06:18run one clean cycle after all that.
06:22Two cups of white vinegar
06:23poured into the detergent tray.
06:26Hottest and largest setting,
06:28and let it run empty.
06:29The vinegar flushes the film
06:31off the inside of the tub
06:32and the hoses you can't reach.
06:34Do that once a month,
06:36and the biofilm never gets a foothold again.
06:39Pull the detergent drawer
06:40all the way out while you're at it.
06:42Most of them release with little push tap.
06:45And scrub it,
06:46because the drawer and its chute
06:48are slick with the same softener gunk
06:50feeding everything.
06:52Then the habit that makes all of it stick,
06:55and it takes two seconds.
06:58After every single load,
07:00wipe the gasket,
07:01fold dry with a towel,
07:03and leave the door cracked open.
07:05That's the whole trick.
07:07Mold needs standing moisture,
07:09and a front loader with the door shut
07:11is a sealed, wet,
07:14airless box between washes.
07:16The perfect incubator.
07:19Leave it open,
07:20and the water evaporates.
07:21Air moves through,
07:22and there's nothing left
07:24for anything to grow in.
07:25If you've got kids or pets,
07:28and can't leave the door swinging,
07:30a small magnet or a door prop
07:33holds it open a couple inches.
07:35Dry fold.
07:36Cracked door.
07:37Done.
07:39Now the money,
07:40because this is where
07:41it stops being about a smell.
07:43A service call to diagnose
07:45a smelly washer
07:47runs $100 to $200.
07:51And the tech does exactly
07:52what you just did.
07:54The specialty tablets people buy
07:56run around a dollar a piece,
07:58and you're told to use
07:59one every wash.
08:00That's real money over a year
08:02for something a $2 splash of vinegar
08:05does better.
08:05And the big one,
08:07people replace perfectly good front loaders
08:10over a smell they think
08:12means the machine is broken.
08:13Dropping $700 to $1,500
08:16on a new one
08:17that will grow the exact same film
08:20in the exact same fold
08:21within a year.
08:23Because nobody told them
08:24about the door habit.
08:26$3 of vinegar
08:28and a cracked door
08:29protects a $1,000 appliance.
08:32Three tricks to make it easier.
08:34First,
08:35keep a dedicated microfiber rag
08:37folded on top of the machine
08:39so the wipe-down is a reflex,
08:41not a chore you skip.
08:43Second,
08:44if you use a liquid fabric softener,
08:47that's the single biggest source
08:49of the gummy residue feeding this,
08:52cut it or switch to a splash of vinegar
08:55in the softener slot,
08:56which softens clothes
08:58and cleans the machine
08:59on its way through.
09:01Third,
09:02once a season,
09:03run the hot vinegar cycle
09:05and then immediately run
09:06a second short rinse.
09:08Because a little vinegar
09:09can linger in the folds
09:11and the rinse clears it
09:12so your next load doesn't come out
09:14smelling faintly of salad.
09:16Put it together.
09:18Pull the fold back
09:19and check for a tear first.
09:21Spray the vinegar mix
09:21and scrub the gasket,
09:23empty the coin trap at the bottom,
09:25poke the drain holes clear,
09:27run a hot vinegar cycle,
09:29then wipe dry,
09:30and leave the door open
09:32after every load.
09:33Do the deep clean this weekend
09:35and the smell is gone
09:36by the next wash
09:36and it stays gone
09:38for about $3.
09:39If this finally explains
09:41the smell you've been blaming
09:42on your towels,
09:43share it with the one person
09:44in your life
09:45who keeps buying stronger detergent
09:47to fix it.
09:48See you in the next one.

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