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How to Safely Remove Water Spots from Quartz Countertops

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How to Safely Remove Water Spots from Quartz Countertops

How to Remove Hard Water Spots from Quartz Countertops

We will guide you through a safe and effective method for removing water spots from quartz counters without causing damage. You will also learn what water spots are, their cause, and how to protect against them by using recommended weekly/routine cleaning and care.

What Are Water Spots

Mineral deposits are also known as hard water spots, water stains, and watermarks. They are mostly calcium and magnesium but sometimes contain soap scum residue and salts from water softeners. It's common to find them on kitchen and bath countertops, sinks, and glass shower doors. Mineral deposits on quartz countertops require specific cleaning methods to remove them without causing a dull spot or blemish. 

What Causes Hard Water Spots

Water spots are the solids left behind from water that has evaporated. These solids are considered mineral deposits. 

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Quartz-Safe Cleaners Can Not Remove Hard Water Spots

Quartz countertops are combined with acid-sensitive resins during their manufacturing, meaning they are vulnerable to chemical damage.  This causes acidic products such as vinegar, lemon juice, or acidic cleaners to eat through the resins, "etching" the surface. As a result, quartz requires pH-neutral cleaners.

Hard water spots, unfortunately, can not be removed by pH-neutral cleaners.  Although certain cleaning products specialize in removing such deposits, the large majority of them are acidic or alkaline-based. This is why prevention is key.


With this in mind, here is our list of guidelines for removing hard water spots and mineral deposits from quartz countertops:
 

How to Clean Hard Water Spots 

Your options for cleaning hard water spots from quartz countertops sound counterintuitive but are safer and easier than they sound.  Since quartz cleaners are ineffective, we will have to use friction to remove the deposits.  All you will need is super-fine steel wool (grade #0000), or a straight-razor. It is essential that your steel wool is grade #0000 since other variations will be too abrasive.

 

Do’s

  1. Use grade #0000 super-fine steel wool to remove light water spots, lightly rubbing the deposits in a circular motion.

  2. For heavier spots, Carefully use a new, sharp straight razor or scraper.

  3. Take preventative measures to prevent water stains and mineral deposits from building up

 

Don’ts

  1. Don’t use aggressive/strong cleaners on your quartz or granite countertop

  2. Don’t use vinegar or lemon juice; they can etch your surface

  3. Don’t use non-neutral household cleaners on your quartz

  4. Don’t use water and dish soap to clean your quartz, (without a rinse and wiping off excess water left behind) as they can lead to more water spots, mineral deposits, and soap-scum build-ups 

 The easiest method of removing hard water spots from quartz is to use Super-Fine Steel wool (#0000 grade).  Begin in an inconspicuous (hidden) area, buffing the surface in a circular motion.  Ensure the area is undamaged, and proceed to mimic the technique along the water spots.  This should be enough to remove light mineral deposits from the surface.

If heavier deposits exist, it may be best to carefully scrape them off of the surface with a straight razor.

Preventing Water Stains and Mineral Deposits

Removal is difficult, so prevention is key. 

Many individuals clean their countertops with soapy water, but this should be avoided. Like washing glass with a soapy wet rag or sponge, doing this to your quartz can create a cloudy haze over time from soap scum or leftover mineral deposits.

For proper prevention, utilize a quartz cleaner formulated with ioSeal Protectants.  ioSeal forms an ionic bond to the surface, creating a layer that resists incoming stains and messes such as hard water spots.
 

Conclusion

We hope this information has served well to clarify and simplify cleaning in the future.  With a history of more than 30 years in the natural stone installation and stone-care industries, we believe in educating consumers. With that in mind, if you have further questions about your stone surface, contact us, and we will help you find a quick solution. We can be reached by calling 317-865-0000.

 

Discover the "ioSeal™ Advantage on Quartz"

  • An additional level of protection against stains, hard water spots, calcium and limescale buildup
  • Lowers the bond strength of future mineral deposits/water spots, making them easier to clean
  • Helps protect against UV rays and fading
  • Safe to use on unsaturated polyester resin, natural and engineered stones
  • Leaves a smooth look and reflective feel
  • Colors become vibrant

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  • Sam Munro
Comments 6
  • Maria Baldivid
    Maria Baldivid

    I want to say THANK YOU! I have tried a number of products and parts of my black composite sink was ruined by the abrasive scrubber used as directed. And it still looked awful.
    I watched YouTube and found your product and thought why not before buying a new sink. The first application removed majority of stains but applied another coat of mineral scrub remover. To restore the finish, applied 511 restoration and then the ISO sealant. It looks brand new!
    BONUS!! Used only your scum and mineral product in an attempt to removing hard water stains from matte black faucets and it worked! Ruined other black faucets from using harsh products and recommended scrubber, so this time to scrub I used #0000 wool. Amazing results!!!!!! Thank you again!

  • Susan
    Susan

    I have hard water and have water spots on my quartz, what can I use to help?

  • Roxanne
    Roxanne

    Water spots on my brand new white quartz after wiping down the first time with only water and dried with towel right away. Other areas show smears. What can be done?

  • Barbara
    Barbara

    I have new white quartz countertops and they have little smudges in a few areas (almost like fingerprints). Me area is a little larger (almost like the size of a glass ring). I’ve tried dish detergent and warm water but this does not remove these smudges. Any advice would be extremely appreciated. Thank you!

  • Sam
    Sam

    Hi Connie,

    From the information you have given, we are unable to give a definite diagnosis for the issue. There is more information we would need to know, such as when the circled appeared, if you used the product before or after, which exact products you haves used on the sink, etc. It is possible that the circles could be a result from heat damage such as hot cups; however, the most common cause of this issue is damage from abrasive products (windex, CLR, oven cleaners, vinegar, lemon, etc.).

    If the circles are a surface-stain or residue issue, follow our recommendations and try to remove them from the surface with grade #0000 ultra-fine steel wool. If this does not work, then the issue is due to heat damage, chemical etching, or something similar. Our product, the CTP Multi-Surface Treatment, is an excellent treatment for preventing and defending your quartz countertop from hard water stains and mineral deposits; however, it is not able to remove mineral deposits/hard water stains or reverse etching/heat damage.

  • Connie Gurule
    Connie Gurule

    New white quartz. Cloudy circles 4 as if hot cup was set there. Had to have men who installed. They will not take responsibility. Read all cleaning recommendations & use Weissman to clean. Any way to remove, return original shine? Your product?

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