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Removing Stains from a Composite Granite Sink?

January 31, 2018

I put a clear rubber protector on the bottom of my new granite composite sink to keep it from scratching, and now I have dark spots. How can I remove them?

Removing Dark Spots on Granite Composite Sink - spots on sink bottom
 

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Diamond Post Medal for All Time! 1,246 Posts
January 31, 20180 found this helpful
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Try scrubbing it with a soft cloth coated in diluted white vinegar, then rinse well.

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Gold Post Medal for All Time! 677 Posts
February 1, 20180 found this helpful
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Barkeeper's Friend is excellent for stainless steel.

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Diamond Post Medal for All Time! 1,298 Posts
February 1, 20180 found this helpful
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For stainless steel, rub in the direction of the grain!

Here are some solutions you could use and see if it works for you: learn.compactappliance.com/.../

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Also, you can get staining/darkening if you water is more hard.

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9 More Questions

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March 29, 2010

I soaked an item in my granite composite sink, using Vanish for colours. Unfortunately it contains bleach. There is now a bleach mark all around the sink. Is there anything I can do to improve it?

By D.Wright from U.K.

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Bronze Feedback Medal for All Time! 147 Feedbacks
March 29, 20100 found this helpful

If the granite sink is stained, use a cleanser that is designed especially for granite. You can usually find them at home improvement or hardware stores. Don't use a harsh scrubbing cleanser on a granite sink.

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You'll scratch the finish and leave it looking dull. If scratches do appear, contact a professional to repair your sink's protective. Good luck.

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March 30, 20100 found this helpful

I have used Magic Eraser on many difficult stains. In Canada they are made by Mr. Clean, but I have had equal success with the ones from the Dollar Store. You might try one of your Pound Shops for them. Good Luck

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April 1, 20100 found this helpful

Hoorah! Thanks very much I used a Majic Eraser, and also went over it with Hob Brite (very carefully) and washed it off with lots of water. Hey presto no more bleach stains.

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December 20, 2018

I have tea stains in my black composite sink that will not come off. I have tried BarKeepers Friend, Supreme Surface Scum & Mineral Deposit Remover, Supreme Surface Granite & Quartz Cleaner, and CTP Granite & Quartz Treatment.

I saw comments that vinegar and water will remove stains. I read on a few other websites that vinegar should not be used on composite sinks. I don't know what else to try.

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Gold Post Medal for All Time! 677 Posts
December 20, 20180 found this helpful

Try the Magic Eraser

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Bronze Feedback Medal for All Time! 196 Feedbacks
December 20, 20180 found this helpful

Diluted vinegar 1\2 vinegar 1\2 water can work on newer stains,just don't let it sit for more than a few minutes. Older stains make a paste with water and baking soda and use a soft rag or sponge and gently scrub out spots.

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Best wishes!

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Gold Feedback Medal for All Time! 949 Feedbacks
December 21, 20180 found this helpful

Stubborn stains seem to be difficult to remove from composite sinks and most likely, black makes it even more difficult.
Here are a couple of suggestions from Hunker web site:

"Spray the stains with a 50-50 mix of white vinegar and water or apply a paste made with baking soda and a little water to the stains. Rinse the sink and then wipe it dry."

"Mix a 50-50 solution of bleach and water and apply it to the most stubborn sink stains. Drench the sink with water after cleaning it. Then wipe it dry."

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www.hunker.com/.../how-to-clean-a-granite-composite...

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March 27, 2019

I put nail polish remover in a red plastic cup to take off my polish and it put a ring red mark from the cup onto my sink how do I get it off.


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October 23, 2019

I foolishly rinsed out a paint brush and roller in my kitchen sink. Now there are white acrylic paint stains of varying intensity remaining on my black composite granite. Any suggestions?

TIA.

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October 30, 2018

Will acetone damage a granite composite sink? I know it can be used on granite, but I'm concerned about the possibility of acetone damaging my sink.


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Gold Post Medal for All Time! 677 Posts
October 30, 20180 found this helpful

I would use Barkeeper's Friend instead.

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Bronze Feedback Medal for All Time! 196 Feedbacks
October 30, 20180 found this helpful

I only ever used soap and water or vinegar and baking soda for greasy messes when I had a granite composite sink. It was rental and that was all the landlord said to use.

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It always worked just fine and I got my whole security deposit back, so I guess I did it OK!

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June 27, 2017

How do I remove a rust stain from granite composite sink?


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Gold Post Medal for All Time! 677 Posts
June 27, 20170 found this helpful

Try Barkeepers Friend.

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Gold Feedback Medal for All Time! 949 Feedbacks
July 7, 20170 found this helpful

Please be careful what you try using and make sure it is safe for your sink as many cleaners will damage the surface.
I would suggest trying Magic Eraser (Dollar Tree generic) before anything else as it is safe for this type sink.

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Here are a couple of links that have some very good suggestions on cleaning and also how to oil your sink to keep it clean.

homeguides.sfgate.com/issues-cleaning-composite-sink-69499...

whimsygal.com/.../

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January 31, 2011

I have a black double sink in my kitchen. It is a composition granite material. The one sink is brand new looking and is the one we use the dish pan in. The other has a disposal unit, and that's the sink we dump all the kitchen waste in. There is some sort of stain or discoloration around the drain hole which I can't remove.

By Ron from Toms River, NJ

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April 5, 20180 found this helpful

For composite granite sinks the best cleaner is baking soda with vinegar a paste with a white non abrasive cleaning pad. if you oil your sink to bring back finish use mineral oil.

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Gold Post Medal for All Time! 677 Posts
April 5, 20180 found this helpful

I would try Barkeepers Friend

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July 24, 2019

Unfortunately the sink drain unblocker spilled into the sink and caused discolouring. Is there a remedy to get it back to the original black colour?


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April 23, 2009

What could stain a black Silgranit sink?

By Karol from Calgary, AB

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Bronze Feedback Medal for All Time! 147 Feedbacks
April 23, 20092 found this helpful

CARE OF YOUR SILGRANIT® SINK

General Care and Cleaning:
Daily cleaning may be done with any non-abrasive cleaner (i.e. BLANCOCLEAN Composite Sink Cleaner). After every use, rinse and wipe the sink dry with a clean, soft cloth to eliminate any water spots or soap film build-ups.

Removing Stains and Minor Scuff Marks:
Normal Stains ~ For stains, please use BLANCOCLEAN, along with a soft scouring pad.
Stubborn Stains ~ A solution of 50% bleach, 50% water should only be used for tough, stubborn stains. Let the solution sit in the bottom of the sink for one hour; then scrub. Rinse well. Also, the use of Bar Keepers Friend (directions included on bottle) will help remove stubborn stains. Finally, clean with BLANCOCLEAN to put a protective coating back on the sink's surface.

Luster:
BLANCOCLEAN can be used to help bring back the luster. Follow the directions on the bottle.

Miscellaneous:
To remove Calcium Deposits (a white ring around the bottom of your sink): use LIME AWAY
To remove Adhesive Labels: use Acetone (nail polish remover)
Note: Always test non-Blanco branded stain remover in a small, non-visible location

What not to use:
1) Do not use any abrasive cleaning agents or scrub pads, such as Steel Wool
2) Straight bleach
3) Commercial alkalis, such as ammonia and/or caustic solutions
4) Drain blocking chemicals that involve filling the sink with water

Note: Always test non-Blanco branded stain remover in a small, non-visible location
Good luck.

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