How to get rid of this sink stain

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  #1  
Old 01-31-18, 06:40 PM
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How to get rid of this sink stain

This happened after I used this.

It's a rust-colored stain. Tried CLR with no luck.
 
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Old 01-31-18, 06:51 PM
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Is that a cast iron sink ? Looks like actual rust from the drain cleaner.
 
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Old 01-31-18, 06:52 PM
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Try the dollar store or Wal-Mart and see if you can find a bottle of "The Works".
Any other places your getting rust stains?
City water or well?
 
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Old 01-31-18, 06:54 PM
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No other stains, it was just after that cleaner. City water. Not sure if cast iron sink.
 
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Old 01-31-18, 06:58 PM
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Never ever use a drain cleaner!
Drains running slow, remover the trap under the sink with a bucket under it to catch the water.
Clean out the trap.
Traps not plugged up then run a snake down the drain.
Now you you has a toxic, caustic liquid in the drain to deal with.
 
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Old 01-31-18, 07:24 PM
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This was months ago. I used a snake but it was still slow. That stuff cleared it right out.
 
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Old 01-31-18, 11:53 PM
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Try Zud or Barkeeper's Friend. Both have oxalic acid.
 
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Old 02-01-18, 03:49 AM
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Some pharmacists will sell full strength Oxalic Acid to their known Customers, for a nominal cost..

Oxalic acid is a serious POISON but it actively works effectively to separate rust (ferrous oxide) into it's separate components: oxygen and iron, which can then be washed away.

I've used it to quickly dissolve rust on bathroom fixtures, rusty bumpers on cars and trucks,, and cleaned up several tools to look like new.

PS: Oxalic Acid IS NOT for "clogs" . . . . but the OP wasn't asking about clogs. S/he was asking about "stains". like in the photo provided.
 

Last edited by Vermont; 02-01-18 at 04:23 AM. Reason: Added PostScript
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Old 02-01-18, 03:55 AM
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This was months ago. I used a snake but it was still slow. That stuff cleared it right out.
The snaking dislodged the clog. If you continued to snake you would not have a problem today!

I can only echo Joe's post like I have in the past!
 
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Old 02-01-18, 07:42 AM
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Is oxalic acid the active ingredient in toilet bowl cleaner? Because that's what I find works best to remove rust stains from my showers, grout & toilets. CLR did nothing. Rust Out did remove some but nowhere as effective as toilet cleaner.
 
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Old 02-01-18, 07:53 AM
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I have to agree on Barkeepers Friend. It's almost a miracle cure for rust and soap scum, it polishes and scrubs.
Your sink looks like porcelain on steel or cast iron, either one can withstand abrasives without scratching.
Use a stiff toothbrush to scrub around the drain flange.
 
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Old 02-01-18, 08:55 AM
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I checked the underside of the sink, it's metal of some kind.

Will try "the works" or barkeeper's friend tonight.

Thanks for the replies.
 
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Old 02-04-18, 05:51 AM
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Bought both, tried the works first. With a little scrubbing it took the stain right out. Thanks again.
 
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