Deep Clean
For a more thorough clean, sprinkle baking soda over the whole sink, then spray with a 75/25 solution of white vinegar and water to create a fizzing solution. A gentle scrub with a soft sponge and an old toothbrush is enough to give your sink a thorough clean.
For these, you do need to use a diluted vinegar to help remove them. The key is not to use straight vinegar on the sink, but to make a mixture that is 50% water and 50% vinegar. Apply the mixture to the limescale stains, and scrub with a nylon brush until clean. Rinse with clean water.
Daily Care Tips to Clean a Granite Sink
Use a soft sponge or soft cloth, detergent and water. Moisten the sponge with warm water. Squeeze a small amount of detergent to the soft side of the sponge. Rub sponge in small, circular motions using only the soft side of the sponge.
This type of sink is easy to clean
Using a non-abrasive cleaner will keep it clean. Taking care of it properly will preserve its color for many years. Keeping it clean is also important. You can use a magic eraser sponge to remove stains and a 50/50 water-bleach solution for cleaning.
We've taken the cleaning power of Comet® Cleanser and formulated a soft, cleansing cream that provides outstanding cleaning performance while remaining gentle enough for delicate surfaces such as stainless-steel sinks, marble, and granite.
"Acid and alkaline-sensitive" means that products such as vinegar, window/glass cleaner, CLR, lemon juice, oven-cleaner, and bleach should never be used on granite. Using any of the mentioned products leads to a chemical damage called "etching."
Use soft or micro fibre cloths (eg. E-cloth). A 50% mix of water and white vinegar can be used to remove limescale deposits, ensure to rinse thoroughly after use, do not leave the vinegar in contact with the surface. A nylon scratch pad or toothbrush can be used on difficult areas.
Vinegar spells trouble for granite countertops (and any other natural stone countertop). The acid in vinegar wears away at the protective sealant that prevents spills from penetrating the stone and causing permanent stains. In addition, over time vinegar can cause etching in the granite itself.
Frequent use of vinegar, Windex or bleach will dull the granite and weaken the sealant. Instead, a little soap and water should do the trick. Add dish soap and warm water to a sponge, get a good lather and begin cleaning. Avoid using abrasive pads, as granite can be scratched.
Removing Vinegar Stains From Granite Countertops
Spread some baking soda on the area. Wipe the baking soda away with a soft cloth. Don't scrub too hard or you can scratch the surface. Rinse with water and a soft towel.
Once your granite composite sink is cleaned, you can restore its shine using mineral oil. Apply a tablespoon of mineral oil to a soft cloth and buff using a circular motion. Wait 1 minute, wipe away and enjoy the luster.
Sink Stains
To tackle mineral deposits around your sink's faucets: Squirt them with undiluted vinegar. Let the vinegar sit 15 minutes or longer. Scrub away deposits with an old toothbrush.
One thing you never want to do is use an abrasive cleaner, harsh chemical, or vinegar for hard water stains on granite; these can erode the sealant that helps to protect your granite countertop's surface.
Don't pour soap directly on granite countertops. Stone is porous, and full strength soap can seep into pores causing tough to remove stains. Always dilute your soap with water before cleaning. Don't use an abrasive scrubber.
While it's not generally wise to use abrasive cleaners on your natural stone countertops, you can safely treat stubborn hard water stains with a paste of baking soda and water. Simply apply it to the affected area and scrub it with a soft-bristled brush, then rinse with water and dry with a microfiber cloth.
Try to choose one that is advertised as being suitable for granite, as regular limescale removers are often acidic and can damage granite countertops. A good choice is Lakeland Worktop Wonder, which is suitable for granite and marble.
Whether your black granite sink is pure or composite, overtime it may develop scale buildup, which causes an undesirable cloudy appearance. Regardless of how many times you scrub it with your dish soap, that white scale will continue to reappear day after day; that is, until you find the actual solution.
Though it's hardwearing and largely damage-resistant, a granite composite sink requires regular maintenance. Dark sinks are generally lower-maintenance, but they may show a white film; light sinks may stain.
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.
Yes, composite sinks can withstand boiling water. There is no issue with pouring hot water down a granite, quartz, or solid surface sink.
How long will a composite granite sink last? Composite granite sinks are quite durable and can last decades with normal use and proper care.