- 6 hours ago
A bathroom that smells sour usually does not need more scrubbing — it needs to dry properly, and this narration lays out the eight hidden places where water lingers and the odor keeps coming back. From extractor fans that vent into an attic, to lint-clogged blades, sealed doors, blackened caulk, overflow holes, drain slime, loose toilet seals, swollen cupboard floors, and damp edges under the bath, each problem is explained plainly and in order.
Drawing on a childhood memory in a wash house, the speaker shows why one open window is not enough and why ventilation matters more than cleaning products. The advice is practical and specific: check where the fan actually ends, leave a door open for airflow, run the fan longer, clean the overflow, replace stained silicone, and look for slow leaks before they turn into mold or rot. It is part home maintenance guide, part cleaning advice, and part no-nonsense bathroom odor troubleshooting.
For listeners searching for bathroom smell causes, moldy caulk fixes, extractor fan problems, drain odor solutions, toilet seal leaks, and damp bathroom repair tips, this straight-talking home care guide is built for practical search intent. It fits DIY cleaning, household maintenance, ventilation troubleshooting, and bathroom odor removal searches, especially for anyone trying to stop the smell at the source instead of covering it up.
Drawing on a childhood memory in a wash house, the speaker shows why one open window is not enough and why ventilation matters more than cleaning products. The advice is practical and specific: check where the fan actually ends, leave a door open for airflow, run the fan longer, clean the overflow, replace stained silicone, and look for slow leaks before they turn into mold or rot. It is part home maintenance guide, part cleaning advice, and part no-nonsense bathroom odor troubleshooting.
For listeners searching for bathroom smell causes, moldy caulk fixes, extractor fan problems, drain odor solutions, toilet seal leaks, and damp bathroom repair tips, this straight-talking home care guide is built for practical search intent. It fits DIY cleaning, household maintenance, ventilation troubleshooting, and bathroom odor removal searches, especially for anyone trying to stop the smell at the source instead of covering it up.
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LifestyleTranscript
00:00You cleaned that bathroom on Saturday, properly, on your knees, with the good cleaner and the brush,
00:06and the whole room came up bright and smelled of whatever was in the bottle.
00:11By Wednesday evening, it was back.
00:14Not the clean smell, the other one, the low, sour one that sits underneath,
00:19the one you only notice when you have been out of the house a few hours and come back in.
00:24And you will clean it again this weekend, because that is what a person does.
00:30I want to save you the trouble, because I have given you most of the cleaning already.
00:35The vinegar video, the baking soda video, the toothpaste video.
00:40Those are good, and I stand behind them.
00:43And between them, they will take every bit of mineral and scum and grease out of that room.
00:50Not one of them will touch what you are smelling.
00:52Because what you are smelling is not dirt.
00:56You have not been failing to clean.
00:59You have been cleaning a problem that is not a cleaning problem.
01:04And that is why the effort has never been rewarded.
01:08A bathroom does not go sour from being used.
01:11It goes sour from never finishing drying.
01:15And from eight places in that room where water sits in the dark long after you have walked out and
01:22shut the door.
01:23And once you see it that way, the whole room reads differently.
01:28Every surface you can see gets wiped every week.
01:32Nothing you can see is the problem.
01:35The smell is coming out of the places a cloth has never been and was never meant to go.
01:42And every one of those places has the same thing wrong with it, which is that water goes in and
01:49does not come out again.
01:51So here are the eight, and there is nothing to scrub in any of them.
01:56I gathered the whole of it into a book at EliasYoder.com.
02:02The book is the long version.
02:04If you want it, it is there.
02:06I will not mention it again.
02:08My grandmother settled this for me when I was about ten, in the wash house,
02:13which was where all the wet work on that place got done.
02:16We had been boiling and ringing all morning, and the room was thick with it,
02:22steam standing in the air and running down the window glass.
02:25When we carried the last basket out to the line, she sent me back to open up,
02:31and I went in and pushed the window as wide as it would go, and came out again,
02:36pleased to have been useful.
02:38The next morning, that room still smelled of wet cloth.
02:42Not bad, exactly, just not right.
02:45The kind of smell a cellar has.
02:48She took me in there and did not tell me off.
02:52She asked me a question.
02:53She asked which way the air had gone.
02:57I said, out the window, and I thought that was the right answer,
03:01and I was fairly satisfied with it.
03:03Then she asked me what came in, and I had no answer at all,
03:08because the door had been shut the whole time, and there was nothing.
03:12One hole in a room is not ventilation.
03:17It is a hole.
03:18The steam had sat in there all night with nowhere to be pushed to,
03:23and it had gone into the plaster, and the shelf, and the wood,
03:27and the window being open had made almost no difference at all.
03:32She said the thing I have carried since, and it covers more than a wash house.
03:38Nothing goes sour from being used.
03:40It goes sour from being left wet.
03:48If that room has an extractor fan, go and find out where it goes.
03:54I am serious about this, and it is the first job because it is the one that costs the most.
04:00A great many fans in this country do not go outside.
04:05They go up into the attic, and the duct ends there, sometimes lying loose on the insulation,
04:12sometimes nowhere near a vent at all.
04:15Somebody fitted the fan, ran the flexible pipe up through the ceiling, and stopped.
04:21So every shower anybody has taken in that house for however many years has been pumped as warm,
04:29wet air straight into the roof structure, where it meets cold sheathing and condenses.
04:36That is not a smell problem anymore.
04:39That is rot in your roof and mold on the underside of your boards,
04:44and the bathroom smelling is the least of what it is doing.
04:48So get a torch and get your head up into that attic and follow the pipe.
04:54If it ends at a vent through the roof or the gable or the soffit, good.
04:59You can stop worrying.
05:00If it ends in the attic, that is a job for this month and not for next year.
05:06Mind yourself up there.
05:08Step on the joists and not between them.
05:11Watch for wiring, and do not go up at all if you are not steady on a ladder.
05:17And while you are at it, two more things about that fan.
05:22Take the cover off and look at the blade, because they silt up with lint until they are moving almost
05:28nothing,
05:29and a fan you cannot hear doing anything is usually a fan that is not doing anything.
05:36And check how long you run it.
05:38Two minutes is what most people give it, and 20 is closer to the job.
05:43A fan switched off with the light is a fan that quits exactly when the room is wettest.
05:50If yours is wired to the light switch, a separate switch or a timer is a small job for an
05:57electrician,
05:58and it changes that room more than anything else on this list.
06:03Two other things while you are looking at it.
06:06A fan has to be big enough for the room, and a good many are the cheapest unit that would
06:11fit the hole,
06:12rather than the one the room needed.
06:15And look at the run of that ducting.
06:18The flexible stuff sags between the joists, and every sag is a low spot,
06:23and a low spot fills with condensate, and then the fan is trying to push air through a puddle.
06:30It wants to run as short and as straight and as uphill as you can get it,
06:35and it wants to be supported so it does not droop.
06:40Two. Nothing coming in.
06:43This is my grandmother's lesson, and it is the item nobody ever tells you.
06:48A fan pulls air out of that room, and air has to come from somewhere.
06:54And if the door is shut tight to the floor and there is no window,
06:59there is nowhere for it to come from.
07:01So the fan sits there humming and moving very little,
07:06because you cannot take air out of a sealed box.
07:10The fix costs nothing.
07:12Leave the door open or ajar while the fan runs.
07:16If it is a room that must be shut, there wants to be a gap under that door,
07:22three-quarters of an inch or so,
07:24and a lot of doors have been carpeted or re-hung until that gap is gone.
07:30And if there is no fan at all, which is our situation here,
07:34then it is the window and a habit and nothing else.
07:39Open it before you get in, not after,
07:42and leave it open a good while longer than feels necessary,
07:46and leave the door open, too, so the air has a root.
07:51Our bathroom has a window and no fan, and it does not smell,
07:56and that is not because we are cleaner than you.
08:00Three, the caulk and the thing nobody will admit.
08:05That soft bead of silicone round the bottom of the bath
08:09and along the back of the basin.
08:11When it goes black, you scrub it.
08:14Then you bleach it, and the black goes pale,
08:18and you think you have won.
08:20Three weeks later, it is back.
08:23Here is why, and nobody selling a spray is going to tell you.
08:28Once mildew is growing in silicone,
08:31it is in it, down in the body of the stuff,
08:35not sitting on top.
08:37Bleach takes the color out of the stain.
08:40It does not get the growth out of the material.
08:43So what you have done is make it invisible for a fortnight.
08:48Stained caulk does not get cleaned.
08:50It gets cut out and replaced,
08:53and that is the whole answer.
08:55Pull it all out with a proper caulk tool,
08:59rather than a blade swung toward your hand.
09:02Clean the gap.
09:03Let it dry completely,
09:05which means a day and not an hour,
09:08and run a new bead of a silicone
09:10sold as sanitary or mold-resistant.
09:14Forty minutes, and the smell and the look both go.
09:19Grout is a different material and a different problem,
09:22and I will only say this much.
09:24Do not use vinegar on it as a routine.
09:28That is in the vinegar video,
09:31and the reason is there.
09:344. The overflow.
09:36Look at your basin.
09:38There is a hole near the top of it,
09:40under the rim,
09:41and the same arrangement on the bath.
09:44That hole goes into a cavity behind the bowl
09:47and down into the drain,
09:49and water and soap and skin
09:52have been going in and out of it
09:55for as long as that basin has been there.
09:58Nobody has ever cleaned it.
10:00Not once.
10:02There is nothing about it
10:03in any instruction anybody has ever been given,
10:06and it is a warm, dark, wet chamber
10:09in the middle of your bathroom.
10:11Put the end of a bottle brush in there,
10:14and you will find out.
10:15Then flush it through.
10:18A kettle of hot water, not boiling,
10:20poured slowly into the overflow
10:22rather than the plug hole,
10:24with a good squirt of dish soap behind it.
10:27Do it once a season.
10:30If what comes out the first time is black,
10:33that was your smell,
10:34and you have never been anywhere near it with a cloth.
10:37The drain video covers that same junction
10:41from the other side,
10:42as the place a clog sits.
10:44This is the smell side of it.
10:475. The slime above the water.
10:51Every drain in that room has a bend below it
10:54holding a cup of water,
10:56and that water seals the sewer off from your house.
10:59That is in the house smell video,
11:02and I will not go over it again.
11:04What is not in it
11:06is what grows on the inside wall of the pipe
11:09above that water.
11:10Hair, and soap, and skin, and shampoo
11:14all go down the same 2 inches of pipe every day,
11:18and some of it stays,
11:19and it builds into a soft gray layer
11:22on the pipe wall,
11:23and that layer is alive,
11:25and it gives off a sulfur smell.
11:28It sits above the water seal,
11:30so the trap is working perfectly,
11:33and the smell is coming
11:34from the near side of it anyway.
11:36You cannot pour that off.
11:39Bleach runs straight past it in 4 seconds,
11:42and does nothing.
11:44What takes it off is mechanical,
11:46or it is biological.
11:48Either go in there with a stiff bottle brush
11:51as far as you can reach,
11:52and scrub the pipe wall,
11:54or use one of the enzyme
11:56or bacterial drain treatments,
11:58which are slow and unglamorous,
12:01and actually work
12:02because they eat the layer
12:04rather than rinse at it.
12:06Put it in last thing at night
12:08so it sits there for 8 hours
12:10instead of going down behind the next tap.
12:136. The seal under the toilet
12:16If the sour smell in that room
12:19is strongest low down
12:21at ankle height,
12:22and it is worse on a damp day,
12:25go and take hold of the toilet
12:27and try to rock it.
12:28If it moves,
12:30there is your answer.
12:31A toilet sits on a ring of wax
12:34that seals it to the pipe in the floor,
12:36and that seal is not designed to flex.
12:39A pan that rocks
12:42because the floor bolts are loose
12:43or the floor is not flat
12:45works that wax
12:47until it is no longer a seal,
12:49and then a small amount
12:51of what goes down that pipe
12:52does not all go down that pipe,
12:55and it goes into the floor
12:56under the pan
12:57where you cannot see it or reach it.
13:00People live with that for years
13:03and blame the room.
13:05Fixing it means
13:06turning the water off,
13:07taking the toilet up,
13:09and fitting a new ring,
13:11and it is a straightforward job,
13:13but it is a two-person lift,
13:15and porcelain is unforgiving.
13:17If you are doing it yourself,
13:20snug the floor bolts,
13:21and no more than snug,
13:23because over-tightening
13:25is how a pan gets cracked.
13:27And while the lid is off,
13:29look inside the cistern.
13:31People never do.
13:33It is a tank of standing water
13:35in the dark,
13:36and plenty of them
13:37have a black bloom
13:39around the water line.
13:417.
13:42Under the Basin
13:43Open that cupboard
13:45and take everything out of it
13:47and put your hand
13:48flat on the floor of it
13:49right at the back.
13:51If it is soft or swollen
13:53or the surface has lifted
13:55and gone crumbly at the edge,
13:57you have had a slow drip in there
13:59and nobody noticed.
14:01Most of those cupboards
14:03have a particle board base
14:04and particle board holds water
14:07like a biscuit holds tea.
14:10The smell is not coming
14:11from the drain.
14:13It is coming from the cupboard floor,
14:15and no amount of cleaning
14:17the pipe above it
14:18will do a thing.
14:19Find the drip first.
14:22Dry the trap
14:23and the supply fittings
14:24with paper,
14:25then run the tap
14:26and watch where the wet comes back.
14:29Then fix that,
14:30and then replace the board
14:32because a swollen
14:34particle board panel
14:35does not dry out
14:37and come good.
14:38It stays sour.
14:418.
14:41The Edge of the Bath
14:43and What is Under the Floor
14:45Last one,
14:47and it is the serious one.
14:49Kneel at the end of the bath
14:50or the shower
14:51and look hard at the join
14:53where it meets the floor
14:55and at the floor itself
14:56for the first few inches
14:58out from it.
14:59Press on the flooring there.
15:01Look for a vinyl edge
15:02that has curled,
15:04a tile that gives slightly,
15:05or sounds hollow
15:06when you tap it,
15:07or a strip of wood
15:08that has gone dark.
15:10Water leaving a shower
15:11does not only go down the drain.
15:14If that junction has opened up,
15:16and it opens up
15:17because the bath flexes
15:18when somebody heavy gets into it,
15:20then some water
15:21goes under the floor
15:22every single time,
15:24and it has nowhere to dry.
15:26You get a wet subfloor
15:28in a warm room
15:29with no air movement under it,
15:31and that is the strongest
15:33sour smell a house can make,
15:35and the hardest to find,
15:37because there is nothing to see.
15:39If that is what you have got,
15:41this is past a weekend job,
15:43and I would have somebody look at it,
15:45because by the time you can smell
15:47a wet subfloor,
15:48there is usually more wrong
15:50than the floor.
15:52Now, the order to do them in,
15:54because eight things
15:55is a lot to be handed at once,
15:57and they are not equal.
15:59Go and find where that fan vents.
16:02Today, before anything else
16:04on the list,
16:05because it is the only one
16:07of the eight
16:07that might be quietly
16:08wrecking the house
16:10rather than just smelling.
16:12Then, the free ones,
16:14which are the door
16:14and the run time
16:16and the window habit,
16:17and those you can have done
16:19before supper.
16:20Then, the overflow
16:21and the drain,
16:23which are one evening
16:24and a bottle brush
16:25between them.
16:26Then, the caulk,
16:28which is a Saturday morning.
16:29The toilet seal
16:31and the cupboard floor
16:32and the bath edge
16:33are the ones that cost money
16:35or want a second pair of hands,
16:37and if you have done
16:38the first five properly,
16:40you may find
16:40you never get to them,
16:42because the room
16:43will have stopped smelling.
16:44And if you do only one thing
16:47out of all of it,
16:48make the room able to dry.
16:50Everything else on this list
16:52is a place that got wet
16:54and stayed wet,
16:55and air is what settles
16:57the whole category.
16:59Now, why has nobody
17:01told you any of this?
17:02Because there is no money in it.
17:05Every one of these eight
17:07is either free
17:08or it is a tube of silicone,
17:10an hour in an attic,
17:12or a tradesman.
17:13None of it is a bottle.
17:15Meanwhile, there is
17:16an entire aisle
17:17of sprays and gels
17:19and plug-in fresheners
17:21aimed at exactly this room,
17:23and all of them
17:24are properly made,
17:25and most of them
17:26do what they say,
17:27which is clean a surface
17:29or cover a smell
17:30for a day.
17:32Nobody arranged
17:33any of this.
17:34It is only that a man
17:35cannot build a business
17:37telling you to go
17:38and look where your fan vents,
17:40so nobody says it,
17:41and inside of one generation,
17:43a thing nobody is paid
17:45to say is a thing
17:46nobody knows.
17:48Two last things on safety,
17:50because this room invites it.
17:53Never put bleach
17:54and anything acid together,
17:57vinegar included,
17:58because that makes
17:59chlorine gas,
18:00and a shut bathroom
18:02is the worst possible
18:03place for it.
18:04And if what you find
18:06is not a black line
18:07in the caulk,
18:08but real spreading mold
18:10over a decent area,
18:11or if anybody in the house
18:13has a bad chest,
18:14that is not a job
18:16to attack with a brush
18:17and a bare face.
18:19Leave it be
18:20and get advice.
18:22Nothing goes sour
18:23from being used.
18:25It goes sour
18:26from being left wet.
18:28Tell me something
18:29in the comments,
18:30and this one
18:31I want you to go
18:32and do first.
18:33Find out where
18:34your extractor fan
18:36actually vents,
18:37and come back
18:38and tell me,
18:39because I would
18:39genuinely like to know
18:41how many of you
18:42find that pipe
18:43ending in the attic.
18:45I suspect the number
18:46is going to be worse
18:47than anybody thinks.
18:49And tell me
18:50whether your bathroom
18:51has a window,
18:52a fan,
18:53or neither,
18:54because the answers
18:55to all of this
18:56split hard
18:57along that line.
18:59Next time,
19:00I want to go
19:01under the house
19:02and look at the sill plate,
19:03which is the piece
19:04of timber
19:05your whole wall
19:06stands on,
19:07because we have
19:08spent today
19:08finding water
19:09in places nobody
19:11looks,
19:11and that is the place
19:13it does the most
19:14damage of all.
19:15I have owed you
19:16that one for a while.
19:18I am Elias Yoder.
19:19I farm in Lancaster
19:21County, Pennsylvania.
19:22A room gets a reputation
19:24for being dirty
19:25when what it has
19:26really been
19:27is wet,
19:28and those are
19:29not the same thing,
19:30and they do not
19:31have the same cure.
19:33The people who built
19:34this country
19:35with their hands
19:36knew that,
19:37and we are only
19:38just starting
19:39to remember it.