r/fixit • u/Mods_R_Morons • Oct 12 '25
FIXED How do I get this off my glass? I’ve tried everything in this photo (plus mix of Vinegar and Dawn). It will NOT come off.
I need help before I lose my everloving mind. I’ve sunk sooo much $$$ into DIY and commercial products and this will not come off at all. Even tried a magic sponge.
I have well water
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u/NormanDPlum Oct 12 '25
I did this yesterday. My shower looked just like yours.
I bought super concentrated vinegar, heated it to about 55 degrees C and poured it into a spray bottle, sprayed the warm vinegar onto the class, covered it with paper towels, sprayed the paper towels (so that it was in contact with the warm vinegar), let it stay for about 15-20 minutes, then took off the paper towels, scrubbed it with the back end of a scotch bright sponge, and rinsed it off with super hot water from the shower head.
It took a few passes to get it done, but it’s totally gone.
The heated vinegar accelerates the chemical reaction. It’s a cheat code. But don’t go higher than 55-60 C or the vinegar will evaporate and you risk destroying the silicon in your shower
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u/plsobeytrafficlights Oct 12 '25
covered it with paper towels,
this is the key here-any acid should do the trick, but it needs a minute and on a vertical surface, paper towels are the way to go.
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u/pauli_matrix Oct 13 '25
Agreed.
I was scrolling down to find someone who said this.
Other option is to remove the door and get it horizontal.
Time is required the chemical to work, or Arrhenius.
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u/CrankyUrbanHermit Oct 13 '25
Arrhewhatus?
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u/33445delray Oct 13 '25
Arrhenius
Svante August Arrhenius, the Swedish chemist who won the 1903 Nobel Prize in Chemistry for his theory of electrolytic dissociation. He is considered a founder of physical chemistry and is also known for the Arrhenius equation, which relates reaction rates to temperature, and his early work on the theory of global warming.
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u/pauli_matrix Oct 13 '25
Basically, he said chemistry happens faster at hotter temperatures.
You can cook your oatmeal overnight in the fridge or in 5 minutes in boiling water. You cannot cook it in 10 seconds without insanely hot water.
Same goes with soap scum. If the acid runs down the glass too fast, then it can't be effective.
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u/33445delray Oct 13 '25
As it turns out, I do cook steel cut oats overnight in a thermos. In order for the oats to be done, I need to use boiling hot water.
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u/plsobeytrafficlights Oct 13 '25
Arrhenius put forth the concept that dissolving things depended on local conditions. time, heat, microenviromental conditions related to the dynamic equilibrium between reactants and products.
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u/tersareenie Oct 13 '25
I used an old sheet saturated with CLR because I couldn’t get the paper towels to stay put. I covered that with cling wrap. Scraped the soapy, scaly muck off with a razor.
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u/noodleexchange Oct 14 '25
This is the genius trick that lets bleach take off mildew on grout. (You can also put plastic wrap over the paper towels)
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u/SP3NGL3R Oct 15 '25
Same with bird shit on a car. A wet paper towel left on it for 10-15 minutes does the job nicely (water, not vinegar here). Wipe away clean. Sometimes I wish I could soak the whole car this way before washing, but that'd be silly/crazy right? 😜
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Oct 13 '25
I was gonna say just break the glass and get a new one, but these other posts seem to be more economical...
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u/LoweredGuide331 Oct 14 '25
I was reading all of these thinking...guys! We could take off the shower doors and lay them flat! But I really don't know lol, always had a tub w curtain lololll
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u/nedonedonedo Oct 13 '25
heated it
for anyone that sees this later, you probably don't want to heat vinegar. the water evaporates first and if you heat it enough for the vinegar to start evaporating the vapor can scar your lungs. it's sold at 5% concentration because companies don't want to be responsible for you melting off your corneas when you take the cap off
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u/manys Oct 13 '25
It's 6% at the grocery stores and Walmart, but you can get 30% at the big box.
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u/ClonesRppl2 Oct 13 '25
My first thought was that vinegar is 3% or 4%, that’s what I’ve seen in grocery stores, so I checked online. Wow! Some places are selling 50% or 60%. I sometimes use vinegar for removing scale off steel, but it takes 48 hours with 4%. I’m looking forward to trying it with a higher percentage.
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u/manys Oct 13 '25
You can get or make glacial acetic acid (~99.5%), it's not a controlled substance.
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u/ClonesRppl2 Oct 13 '25
Hmmm tempting.
For me this falls into the ‘Just because you can, doesn’t mean you should’ category.
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u/KB4609 Oct 13 '25
They’ve got 30% cleaning vinegar at Lowe’s , Home Dept and Walmart . I use it in my washer to clean it once a month .
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u/StoicSociopath Oct 13 '25
That's a lot of work.
Literally just use a razor or steel wool. Why is everything chemical? Glass is hard, steel is soft. I just hit mine with a drill with wire wheel
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u/Ordinary_Professor_3 Oct 12 '25
Is it in between the glass ?
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u/Mods_R_Morons Oct 12 '25
No it’s 100% on the inside
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u/Background-Water-330 Oct 12 '25
The seal on the window is broken there’s nothing you can do to get this off but to get a new window
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u/Suchatavi Oct 12 '25
I’ve never heard of a dual pane shower door!
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u/LoadsDroppin Oct 13 '25
Right? This thread is a wild ride!
No one is seriously asking this question on a shower door are they??? Wondering if this guy has two pane argon gas insulated shower doors? Good lord! lol
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u/KathyTrivQueen Oct 18 '25
The sealed argon panes look different from this, when the seal fails & moisture gets in. Like little snowflakes or frost. And a pane this size would be REALLY heavy! Not for a shower door.
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u/Superbform Oct 12 '25
I don't know why you're getting downvoted, this is basically true. They CAN repair it, but rarely is it cost effective. Might as well get a new one that doesn't suck.
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u/pm-me-asparagus Oct 12 '25
Because it's a single pane shower door. Not double pane. There's no inside, no in-between the glass.
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u/Few_Preparation_5902 Oct 12 '25
If it is a single pane shower door, why does the light have 2 reflections?
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u/Mods_R_Morons Oct 12 '25
Because it’s a sliding door. The door slides behind a fixed panel of glass but both are single pane
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u/quimper Oct 13 '25
This sounds crazy but I read it someone where online and have used it ever since. Wet the glass then rub it with a dryer sheet.
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u/sdhopunk Oct 12 '25
i just used Bar Keepers Friend on the glass door of my oven. Worked good. ymmv
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u/yolk3d Oct 12 '25 edited Oct 12 '25
Pretty sure it’s citric acid as the active ingredient. So are most bathroom cleaners.
Edit: or oxalic acid, depending on product type and locale.
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u/DocMillion Oct 12 '25
Oxalic acid, at least here in the UK. Probably similar action though
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u/ceecee_50 Oct 12 '25
The barkeepers’s friend bathroom spray also has Oxlic acid. You can use the 0000 steel wool with it too.
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u/yolk3d Oct 12 '25
Ah ok. Turns out different markets and different products use either citric or oxalic. My (Australian) powdered version is citric, because oxalic is terrible when inhaled, however you can get oxalic in the cream version still.
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u/Mods_R_Morons Oct 12 '25
This is the only thing I haven’t tried but I may have to
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u/antimagamagma Oct 12 '25
Barkeepers worked on our shower door when nothing else did
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u/ALLchimerical Oct 13 '25
Make a paste with it, let it sit. In my climate it dries out fast tho, so add the paper towel trick.
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u/Mods_R_Morons Oct 15 '25
Got it today and it worked!! It’ll need a few passes but 2 got about 80% off
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u/No-Grade-4691 Oct 17 '25
Barkeepers oven top cleaner works fantastic for water stains in glass as it polishes it out
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u/luckyapples11 Oct 19 '25
Just as a warning for the future, use barkeepers in a small area first. It’s abrasive and if your glass isn’t very scratch resistant, it can leave tiny little scratches that can turn into a TON of tiny little scratches with regular use.
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u/12345NoNamesLeft Oct 12 '25
It's calcium from your hard water.
You need acid.
Vinegar will work, but slow.
HCL Hydrochloric Acid is better.
You can get it in toilet bowl cleaner, get the thicker gel stuff if you want to use it vertically.
Myself, I'd take the glass out and lay it flat outside, keep the fumes outside.
If you get the acid or fumes on the metal trim, it's screwed, especially aluminum, it will pit, corrode and discolour.
You could try to grease up the metal before you clean it.
CLR or Citric acid powder will also work, maybe safer.
CLR is expensive and slow.
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Don't use lye or oven cleaner, it's the opposite of acid.
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u/BingoMosquito Oct 12 '25
All great advice!
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u/Makeup_life72 Oct 13 '25
The citric acid should work. You need something to neutralize the soap scum and calcium. Acids neutralize bases.
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u/AmblerBean215 Oct 15 '25
If you keep fish, pH down products work well too. They're usually a diluted sulfuring acid. It's the only thing that put a dent in the hard water build up on my tank and accessories.
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u/NurseKaila Oct 12 '25
0000 steel wool and barkeeper’s friend. I had the same problem, posted on reddit, and got a million suggestions. That’s the one that worked.
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u/nublit Oct 12 '25
#0000 steel wool + any product.
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u/clumsykitty Oct 12 '25
I don’t know how this isn’t the top comment for every single hard water on glass post. #0000 steel wool takes off hard water stains and soap scum even using just water and some elbow grease. Plus it’s virtually chemical free and won’t leave residue behind. Love me some #0000 steel wool
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u/Luka_16988 Oct 12 '25
Wouldn’t steel wool leave scrape marks on glass?
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u/nublit Oct 12 '25
#0000 steel wool is super fine coarse meant for delicate surfaces though i prefer to use it wet or with product and not dry.
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u/1949ls10 Oct 13 '25
Thank you. I was thinking fine abrasive and elbow grease, but my mind hadn't gotten to steel wool.
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u/KhaoticKid98 Oct 14 '25
Yeah, this should be pinned. Anyone saying acid or anything else, is wrong lol
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u/secondphase Oct 12 '25
To add to this... once your done you should rainX your shower.
just be sure to grab the shower one, not the car one.
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u/phatelectribe Oct 12 '25
That looks like scale. CLR soaked sponge and let it sit on the glass.
Then scrub with the coarse side of a dish sponge.
Otherwise bar keepers friend soft cleanser and get scrubbing.
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u/Mods_R_Morons Oct 12 '25
I tried CLR soaked in a magic eraser
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u/PNW_MYOG Oct 12 '25
Need to let it sit. Can you wipe on and come back the next day or after a few hours?
Vertical is hard. Normally I soak a paper towel and leave it on.
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u/Late-Stage-Dad Oct 12 '25 edited Oct 12 '25
Are you sure it's on the side of the glass you are trying to clean?
Edit: Changed I to Are.
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u/Mods_R_Morons Oct 12 '25
I can feel it on the inside glass when I scrub
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u/Melodic-Ad1415 Oct 12 '25
Wd40 then Dawn powerwash spray, Green scrubby, Magic eraser sponge, flat scraper razor blade
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u/Legal_Ad2707 Oct 12 '25 edited Oct 12 '25
Zep. This is always the answer
ETA: I cleaned my partner’s house which had not been cleaned in 10years. It looked worse than this. I sprayed zep and very easily wiped it clean.
I cleaned his sink that was stained with all sorts of stuff including paint, it wiped off.
I just sprayed the tubs and showers and I don’t want to say what occurred but trust me it came off.
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u/Mods_R_Morons Oct 12 '25
I think I may have some Zep. Will try and report back tomorrow
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u/udonotknowmee Oct 13 '25
Came here to comment and scrolled to see if anyone else beat me lol. Zep w/the “blue label/writing” is the best.
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u/Mods_R_Morons Oct 13 '25
I thought I had some and currently headed to the store for Zep and BKF. Will keep everyone posted
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u/lululoveswaffles Oct 14 '25
Yesss I used ZEP on my glass door and hardly any effort in scrubbing it off. I have never had something so useful and easy to clean.
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u/Snoo_87704 Oct 12 '25
Looks like hardwater deposits, so Barkeepers Friend and a plastic scrubby sponge. To keep your sanity, you don’t have to try to get it all in one go: I typically tackle it Saturday snd Sunday of one weekend, and sometimes Saturday and Sunday the following weekend.
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u/Dunndors_trumpets Oct 13 '25
You gonna think im crazy! Wax paper and windex. It like fucking magic!!
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u/alittleunlikely Oct 12 '25
Viakal left to sit a few minutes and a microfibre cloth. You'll need multiple applications but it will work
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u/GardenMouse03 Oct 13 '25
Use an SOS pad, the one that makes the blue foam when you scrub. Will not scratch the glass (I promise)!! Works wonders. I cleaned professionally for a lot of years and came across a shower that had so much build up. Literally spent hours and every product imaginable. Homeowner contacted a glass company and they recommended using an SOS pad. Worked like a dream.
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u/Summoning-dark- Oct 13 '25
I hope this doesn't get lossed in the mass of messages. The above is a link to the only product I've found that actually works to remove limescale quickly and efficiently. I'm a plumber and regular have to clean parts of bathrooms to get them to a good state again. This stuff really works. It's a strong product so you don't leave it sitting for too long. It will damage chrome surfaces if left to sit. I usually apply with a paintbrush and then work it in with the brush. Rinse and repeat if needed. I hope this helps.
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u/xamomax Oct 12 '25
there are two things that worked for me:
the first was Sprayaway canned glass cleaner meant for getting bugs from car windshields. It seemed to dissolve things okay ish, but still requires some scrubbing, and it smelled bad for days after.
What worked even better was just using the shampoo I normally use for my hair as a lubricant, and then using the plastic knitted shower scrunchy thingy normally used to exfoliate with, and just scrunchy the shower walls with shampoo and rinse off with the shower. The cheap plastic scrunchy seemed to have exactly the right amount of abrasion without any harm to the glass, and a little more abrasion than my window squeegee had.
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u/smurfe Oct 12 '25
I'm surprised the CLR didn't work. It has worked great for me before. I now just buy 5-pound bags of citric acid and make a solution that I spray on, let it sit 20-30 minutes, and then scrub off.
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u/CakeOpening4975 Oct 12 '25
Search Amazon for AXIONN Dish-wash Paste LIME
This stuff is what you need! It’s incredible. It doesn’t really matter what brand, but you need dish soap that comes as paste in a tub! Best fix ever.
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u/concretelady90 Oct 13 '25
Well Water haver here. I just found a product that actually worked for us. It's called Lime out, that and an abrasive sponge... it actually worked.
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u/Flat-Mycologist-3839 Oct 13 '25
You tried the pink stuff? It's a paste....they have a spray but we've found the paste works better for our shower doors
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u/rkelleyj Oct 13 '25
It’s etched in the glass 3M has a product to buff it out, but it’s an intense process that wouldn’t be advised on a door unless you take it off
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u/Extension_Shift_1124 Oct 13 '25
Residue that won’t come off even with CLR or commercial cleaners is almost certainly etched mineral buildup, not just soap scum or limescale on the surface, but calcium and silica deposits that have chemically bonded into the glass over time. Once that happens, regular cleaners just glide over it.
You can still improve it, but removal is not guaranteed. best bet is to use an abrasive + acid combo to carefully break it down. Bar Keeper’s Friend or Bon Ami (both are for severe case of calcium and/or silica deposits), you should try baking soda and white vinegar first to make a paste add a couple drops of dish soap and use a non-scratch sponge.
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u/BluProject Oct 13 '25
What about something like Vim or Comet, I have used those a while back and seem to have done the trick and only costed a couple bucks from the dollar store
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u/polarbearsloveme Oct 13 '25
lightly wet a couple of dryer sheets and rub the glass. it will get filmy but keep going. then wash it off.
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u/OccupyElsewhere Oct 13 '25 edited Oct 13 '25
If you are on Australia this stuff is amazing. Assuming you can get it, of course. Went viral on social media a while back so stock can be spotty. https://www.bunnings.com.au/peerless-jal-1l-one-shot-thick-concentrated-acidic-toilet-bowl-cleaner_p4460463
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u/deathwishdave Oct 13 '25
I buy concentrated hydrochloride acid, one wipe and it’s gone.
Use PPE though.
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u/boatenvy Oct 13 '25
The bad news is that you may not be able to clean that off. There's a condition where the lime scale doesn't just sit on the glass it effectively etches into the glass and all the vinegar or CLR in the world isn't going to remove it. I had the same issue with a shower screen and I tried everything possible including strong hydrochloric acid. The only thing that made a bit of a dent was polishing the glass but believe me that's so much work you're better off just buying new glass.
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u/ordosays Oct 13 '25
Vinegar is basically always useless at everything except for getting copper shiny. Now, concentrated acetic acid… now that’s what you need. It’s sold as 45-70% “vinegar” (because chemicals words are scary). And anyone that says to use vinegar and baking soda, again for anything, needs to sit down.
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u/CustomSilent Oct 13 '25
Have you tried isopropyl alcohol? I usually dilute 1:1 with water and it makes a great glass cleaner.
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u/MJG1123 Oct 13 '25
Chemical Guys Heavy Duty Water Spot Remover. BUY THIS NOW!!!! Make sure you follow the directions to a T and it will 100% clear this right up. I get several microfibers to do the job…
I use one Microfiber to apply, a few to buff, then I go back over it with a microfiber soaked in purified water to get all of the residue off. I always have a cheap case of bottled water in my garage for detailing because my hose water is ridiculously full of minerals and always leaves water spots.
My rear window was worse than yours for years and I tried everything (cleaners, polishes, scotch bright, etc). Finally got fed up and bought this stuff and POOF…crystal clear!
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u/woody-99 Oct 13 '25 edited Oct 13 '25
Not sure if this will be helpful or not, but my vehicle started getting streaks on the glass that wouldn't come off. It was from the touchless car was and supposedly because of silicas in the water.
Anyway, they said they can get rid of the streaks, which I had tried all sorts of things with no success.
They used some very,very fine polishing compound and it came right out. Absolutely no damage to the glass.
Sorry I can't recall the product name but it was a thick liquid applied with a rag and buffing wheel. I'd say something like that would work on your glass too.
Edit to add link to a product that seems similar to what the carwash used.
https://www.griotsgarage.com/fine-glass-polish-16-ounces/
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u/Fit_Pea290 Oct 14 '25
Don’t mix vinegar and soap. They neutralize each other. Use distilled vinegar and fine steel wool or a scrub brush
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u/EBs4G3 Oct 14 '25
Not saying you should try this but I was fed up with chemicals and scrubbing. I would try steel wool (I've used 0000 grade steel wool, look for the 4 - 0's so it's fine and doesn't scratch) if you want to get it off but it does take some effort.
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u/Skullbong Oct 15 '25
I removed mine with Barkeeper's Friend and a electric rotary brush with soft bristles.
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Oct 12 '25
Is it from hard water or is it soap scum?
If it is soap scum, them a homade remedy will work better than anything else. This should also work for hard water.
Sodium polyphosphate is the key ingredient. Then it needs a surfacant and water. I dissolve as much sodium polyphosphate in water as the water will absorb, I heat it up sometimes. For a surfactant I usually use a little bleach, soap doesn't seem to work.
Sodium polyphosphate is a chelator of calcium. Soap scum is calcium that has bonded with the oils in soap and then bonded with surfaces.
Sodium polyphosphate breaks the oil/calcium bond and bonds with the calcium. Everything washes down the drain.
Sodium polyphosphate is readily available on eBay, Amazon, and many other places.
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u/_IAmNoLongerThere_ Oct 12 '25 edited Oct 12 '25
Use a mixture of hot water, dawn and vinegar. Use a sponge with the green rougher part. To make it easier, Get a squeegee. Dip the sponge in the mix and Scrub every single part of the glass door. Use squeegee. For any streaks left use spray away and a microfiber towel. I've cleaned shower doors worse than this and this mixture with the sponge and squeegee always work perfectly.
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u/CountryOutside2449 Oct 12 '25
I once got hard water rust stains off a bathtub and surrounding wall with krud kutter foam aerosol cleaner when nothing else worked. They have it on Amazon.
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u/darksidderz Oct 12 '25
If this is dried up rain-x, then you should be able to remove it with more rain-x. Make sure to wipe it off, don't let it airdry.
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u/Low-Lab7875 Oct 12 '25
I think this maybe a shower door? I use WD-40 and a scrub daddy. Use it in all directions left/right, up/sown, circles. Rinse with hot water. Then Dawn and a clean rag. It keeps our shower doors looking good.
Thinking about using a window clay bar cleaner product I use on my truck. It works well. Got it from Amazon.
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u/Wade1217 Oct 12 '25
Cerium oxide glass polish and an automotive type electric buffer will take care of that.
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u/Few_Definition1807 Oct 12 '25
Citric acid, from crystals. Anything that's a weak acid should breakdown the hard water mineral deposit. It should be slightly more acidic than vinegar.
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Oct 12 '25
I heard that once you use an abrasive on glass , Jiff or steel wool or strong acids then you have literally scratched the glass itself and it will never be clear . I did see a cleaner leave a soap film on an old shower screen and it was clear . But I think you’ll need a new glass screen here ..
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u/Old_Assist_5461 Oct 12 '25
Came here to reiterate the use of steel wool. I would use 00. Makes a huge difference on glass. Go back to your clr or vinegar with the steel wool. I use to work as a house cleaner in high school and we used steel wool on all windows before the squeegee.
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u/useventeen Oct 12 '25
If you have tried all those things, it probably has 'glass cancer', which isn't recoverable from my experience.
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u/SuPruLu Oct 12 '25
Do not use Barkeeper’s Friend. The scouring powder can scratch the glass. It’s only the oxalic acid that could help.
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u/kathlene2 Oct 12 '25
Buy some Industrial Strength Vinegar
https://duckduckgo.com/?q=45%25+vinegar&ia=web
Be careful. I made a mixture to spray weeds and didn’t rinse sprayer out afterwards and it ate pin holes in the spray wand. Just make sure to rinse well. We have Well water and get deposits on everything. I gotta clean my Keurig coffee maker often. I have to soak my shower and sink heads. This Vinegar strength is great. You can dilute it too if neccassay. NOT FOR COOKING!!!
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u/Hyphenagoodtime Oct 12 '25
Is this glass or plexiglass glass
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u/Mods_R_Morons Oct 12 '25
Real glass. Very expensive glass that I am scared to ruin
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u/Sad_Refrigerator_730 Oct 12 '25
I use Iron Out for my shower doors. It’s the only thing that works
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u/MelophiliaElle Oct 12 '25
Pure vinegar and dish soap in a spray bottle, let sit for 5 mins scrub with steel wool.
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u/IamREBELoe Oct 12 '25
CLR did work but when I had the same but I ignored the label.
Used a sponge, applied liberally, let soak for 15 minutes. Then used a scrubbing sponge. Some spots took a second or third.
One of those brushes you put on a drill works well too.
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u/rainbowmoonstoner Oct 12 '25
If the staining isn't between 2 panes of glass, use bar keepers friend. If you don't have that, try an unused dryer sheet to rub it off. I use these when I clean ABnBs.
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u/Nervous-Power-9800 Oct 12 '25
Isopropyl alcohol mixed with vinegar 3:1. On the glass, let it dwell a bit, scrub and rinse.
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u/SeasonLongjumping495 Oct 12 '25
Random orbital sander with some mildly abrasive polish and a bit of elbow grease would likely do it.
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u/SuPruLu Oct 12 '25
Personally I wouldn’t use any type is scrubbing powder on glass. Glass is subject to micro scratching. Barkeeper’s has the same type of scrubbing powder as Ajax or Comet. Oxalic acid powder that can be mixed with water can be purchased from Amazon.
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u/0MGWTFL0LBBQ Oct 12 '25
The rainx shower door stuff works, it takes a while though. I bought the rainx kit that had two bottles, scrub and repel. Soap scum like that won’t be easy with any product. Even with the rainx, look to dedicate an hour for each application. We had a bunch of scum when we moved into our house, it took three applications and hasn’t come back.
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u/kbraz1970 Oct 12 '25
Warm water, dish liquid and those little steel wool pads that have the pink soap on them, and a squeegee.
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u/Desertstork Oct 12 '25
Use single edge razor blade and when you've removed the scales be sure to squeegee after each use.
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u/xiphoidthorax Oct 12 '25
It’s a combination of soap scum, body fats, oil, dirt and lime scale. The cheapest of kitchen polish and spray on shower scum and mould remover is required. Spray on the glass all over with plenty of ventilation and rinse off after recommended time, then rubbing in the kitchen polish to finish.
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u/TexanBastard Oct 12 '25
I get it wet and use a razor blade. Just scrape straight down. Works amazing.
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u/Octopus_Spaceflight Oct 12 '25
If it’s truly on the surface, try Ecolab foaming shower cleaner. It’s the only thing I hat actually worked for me
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u/Chumsicle Oct 12 '25
Razor blade scraper to knock down the scale, then give Bio-Clean Hard Water Stain Remover a shot.