>>2969983
I would try strong vinegar or citric acid and let it soak a few hours.

>>2969983
cordless drill and an 8" stiff rotary brush
soak with simple green or whatever cleaner you like before hand

Those things are kind of a catch 44. The more abrasive a cleaner you use, the more clear coat you take off and the more it stains, faster

>>2969983
Is it dirt or has the enamel worn through? You might have to recoat it.

>>2970007
it's years of soap and cum and hard water stains

as long as the floor isnt textured, and youre not a toddler, a razor blade will take that shit right off and then just shop vac up the cum and soap flakes up so it doesnt clog your drain

>>2970010
Then get yourself some plastic scraper blades and just scrape it off.

>>2970013
razor blade is often my first and last line.

>>2969983
CLR or another such mineral remover.

How come noone mentioned chlorine?

>>2969983
Melamine Sponge they are cheap and work onnstainless as well. fuck mr cleans magic eraser its just a mark up. you can get 50 for like 10 bucks . should work on that tub with water and some minor effort.

Unironically Irish Spring 5 in 1 is great at cleaning tubs. I recommend slathering it all over your tub, covering it in Saran Wrap overnight, then giving it a scrub in the morning.

>>2969983
peroxide. hair dye kits have peroxide strong enough to bleach your hair, sometimes as high as 20% concentration compared to the normal 2% child safe stuff. 20% will bleach your skin if you leave it long enough, and will most definitely clean any wound.

a spritzer bottle would be good, but be extremely careful. 20% peroxide droplets inhaled into your lungs would be terrible- wear respiration and have an exhaust only fan going to get those droplets out. also wear eye protection to prevent chemical burns to the eyes. of all the other chemicals listed here, this is the only one rendered immediately completely safe with more water, unlike the acids, soaps, powders, and other stuff. also maybe the enzyme for dissolving hair in drains. janitor I worked with once used it as toilet brightener, which he also used on everything he could since it "brightens more than just toilets"...

>>2969983
You may have to recoat it

>>2969983
However you choose to approach this, make sure that the solvent or cleaner you use won't fuck up the metal. Metal does not like acid and it can get pitted from extended exposure.
Do you know if the tub is enamel, acrylic, fiberglass, or something else? That will make a difference in what you can use.

>>2970377
>20% will bleach your skin if you leave it long enough, and will most definitely clean any wound.
It's not actually bleaching the skin. There's an enzymatic reaction inside the cells that breaks the hydrogen peroxide into h2o and oxygen gas. The white spots left are microscopic oxygen gas bubbles inside the skin. It'll go away after a while.
Higher concentrations will damage your skin though.

You need to use those green 3m scrub pads and a heavy duty degreaser/bathroom cleaner.

If that does not remove it then it’s embedded in the material and you need it recoated by a pro. Do NOT use one of those diy kits.

I’m a tile pro i see this a lot.

>>2970550
I used a bi component product and it worked fine, so far. Fuck the you have to have a pro do it philosophy.

>>2969983
You can try 0000 steel wool and use CLR as lube.

>>2969983
>I tried scrubbing the fuck out of it and it's not coming off
no you didn't.

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>>2969983
bar keeper's friend

>>2969983
plug the drain and fill it with bleach and water
just pour an entire gallon of bleach in there iunno

>>2970454
>Do you know if the tub is enamel, acrylic, fiberglass, or something else? That will make a difference in what you can use.
On top of that, when tubs get that neglected, guarantee there are scratches that won't show up until all of that crap is cleaned up.

It's going to be similar to those barn finds where fixing a problem only exposes a new one.

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>>2970838
this is what I ended up using, I had to reapply it about 3 times and scrub for 30 minutes. it's really clean but I think it up the glossy finish, now the bottom is all grainy and rough

>>2970979
The bottom is often rough so that you don't kill yourself by slipping in the tub.

>>2970979
It was that way before, anon. That's why all the grime stuck to it to begin with.

>>2970979
good job anon I hope it lasts, looks satisfying
>tfw no neglected bath to polish

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>>2970979
that shit is magic. thank my dead mother for letting me in on the secret.

bar keeper's friend works great on pots and pans too. i suggest wearing gloves while using it (although i rarely do). and now you know.

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>>2971003
Based Oxalic acid appreciator
The pros would've accepted Muriatic acid as well, but that shit truly is only for careful and knowledgable anons, which by my count there were only 3 ITT including me.
Problem solved, retards exposed...
/thread

>>2971012
>Muriatic acid
It's just hydrochloric.

>>2969987
yeah I bought a bucket of citric acid because I have really hard water
it's magic
also CLR works, but way more expensive and nasty smelling

>>2970979
bar keepers friend is basically powdered glass, it's safe for tempered glass but not for chrome, and definitely not safe for plastic tub/shower enclosures. Maybe one of those headlight polishing kits could put a new shine on the plastic though.

>>2972867
>basically powdered glass
no it's not, it's oxalic acid

>>2973581
it's oxalic acid mixed with silica, which is basically powdered glass. It puts tiny scratches in chrome or any other metal. If you use it to polish stainless steel, like a sink, it produces dark grey powder that will show on your polishing tool. It turns metal into sawdust. It's not the acid doing that, it's tiny shards of glass. You should think of it as 3000 grit sandpaper impregnated with acid. It won't hurt glass though, I've used it on my vehicle's windows and mirrors.

>>2971029
Not quite. "Hydrochloric acid" is the modern chemical name, and solutions branded using it are typically rather pure (colorless, very little other than aqueous HCl) and intended for things like food or lab use. "Muriatic acid" is a version of its ancient name (referring to its relation to salt), and solutions branded using it are typically technical grade (typically yellow, containing various impurities) and intended for things like cleaning metal or masonry. "Muriatic acid" is typically cheaper but not suitable for all purposes.

>>2970109
because this forum is retarded.
chlorine and CIF

>>2969983
Magic eraser.
>>2970115
If you keep calling it magic eraser the trademark will stop being legal though, like q tips or kleenex.

>>2969996
>>2970453
Listen to these anons or accept that you're going to have to heavy duty scrub it quite often.

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>>2969983
No idea what's in it but it works, it'll work better if you scrub it, stuff just flakes right off.

Also this >>2969995 nothing beats elbow grease

BAKING SODA, VINAGAR AND A SCORING PAD. LOTS OF TIME NEEDED, BUT IT WILL COME OUT.

>>2970979
I would try to polish it. You basically used a quite rough abrasive, now use a way finer one to get rid of the roughness.

>>2970838
>>2970979
This is what I use. It's the best product I've found for removing rust and mineral stains. It is available in powder, liquid and spray. The liquid works best for OPs situation. Just apply, scrub around, and let it work for a while. They also have a gooseneck version for toilets.

>>2969996
>catch 44
lmao

>>2973656
containers with xbox hueg handles are cancer

>>2971012
>>2971003
>>2970838
whats the big deal with oxalic acid
what does it do that bleach doesn't

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>>2969983
Paint it
t. Landlord

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thread reminded me of this guy
https://archived.moe/diy/thread/2080379/#q2080379

>>2969983
Magic eraser/melamine sponge
Only thing that works that won't destroy the finish

>>2973812
Melamine sponge works first wipe, no damage to finish

>>2969983
Bleach.
Neat. Thick.
Wipe it on.
Leave it to pickle.

>>2974233
Kys

>>2970979
You just rekt the finish when a melamine sponge would have worked faster without damage
Buff out the damage with some 1000+ grit sandpaper

>>2969983
Not sure if late to the party. But you can use pimstone to remove that.

>>2977327
the fuck is pimstone, shirley you don't mean pumice stone

>>2969983
Fill the tub with water and soak, then scrub with a sponge. Im lazy too though, I get it.