Anyone know what this stuff on my sink is and how to defeat it?

[dullard]

i didn't know this. things i learned today...

(fun fact, 10% oxalic acid with a little bit of voltage behind it will nicely etch the grain boundaries of austenitic stainless steels )

My chance to learn: I had to look up austenitic stainless steel.

 

[MrSquished]

Shit nasty bro. Clean yo' shit up!

 

[JPS35]

Looks like pube soap residue from a homemade chemistry kit. Sorry, nothing is going to get that out.

 

[Captante]

Anyone know what this stuff on my sink is?

and how to defeat it?

 

[fralexandr]

Magic erasers are melamine foam

Melamine foam - Wikipedia

en.m.wikipedia.org

 

[sdifox]

Yeah that stuff is really bad for the environment. All the micro plastic gets flushed down the drain.

 

[HomerJS]

Baking soda add a bit of water to form paste, cover stain with paste then cover with wet towel. Wait 20min then wipe off.

Baking soda add a bit of water to form paste, cover stain with paste then cover with wet towel. Wait 20min then wipe off.

Does this really work? Going to try in my toilets this weekend. Stubborn hard water stains. Will report back

 

[sdifox]

Does this really work? Going to try in my toilets this weekend. Stubborn hard water stains. Will report back

I cleaned rust stain with that. also dirty shower pan. warm to hot water.

 

[Captante]

Does this really work? Going to try in my toilets this weekend. Stubborn hard water stains. Will report back

Sure does! Mix in a little sea/kosher salt for extra scrubbing-power.

Salt + isopropyl alcohol will also clean really well especially if that stuff isn't just rust but is oil-based. (it also works wonders on dirty glass bongs!)

 

[Torn Mind]

Baking soda works on grease, organic materials but might as well be useless on rust or "minerals" from hard water.

Acids work on hard water since the compounds often contain a metal cation like magnesium, calcium, etc that results in a compound that precipitates out of water. Acid replace the magnesium, calcium, etc with another cation that will dissolve more readily in water.

 

[sdifox]

Baking soda works on grease, organic materials but might as well be useless on rust or "minerals" from hard water.

Acids work on hard water since the compounds often contain a metal cation like magnesium, calcium, etc that results in a compound that precipitates out of water. Acid replace the magnesium, calcium, etc with another cation that will dissolve more readily in water.

Removing Rust With Baking Soda

Removing Rust With Baking Soda: Baking soda is readily available in every household and can remove rust effectively. Before reaching for harsh chemicals, try baking soda. Here are the materials you need: Baking soda Water Scrubing pad Rusty object

www.instructables.com