If you do notice that there are darker stains, or if you have a light-coloured sink that is showing more surface staining, you can clean these with a mixture of 50% bleach and 50% water. Dip a nylon bristled brush into the bleach solution, and use it to scrub the stains. Rinse well with water when you're done.
First, we want to make sure we do not accidentally damage the surface. Avoid using any harsh/acidic/alkaline-containing products on your sink. This means avoiding lemon juice, vinegar, bleach, window cleaner, oven cleaner, and most leading brands formulated to remove Calcium, Lime or Rust, ammonia, et cetera.
Bleach will cause your composite deck to fade and chip. It is incredibly corrosive and will eventually discolour and damage your deck boards. Bleach and industrial cleaners contain harsh chemicals and should be avoided. Instead, use a cleaning product that is made specifically for composite decking.
Instead, it is suggested that a simple solution of 50% white vinegar and 50% water is your best bet. Make up the solution into a spray bottle, spray the afflicted area, and with a sponge or brush give it a gentle scrub. Follow this up by rinsing away the vinegar with water and drying off the sink with a towel or cloth.
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.
It is best not to use undiluted vinegar, but you can make a solution with 50% water and 50% vinegar to use on your composite sink. Spray the solution onto your sink, focusing on the limescale stains. Scrub away with a nylon brush until it is removed. Finally, rinse the sink with some clean water.
Removing Stains and minor scuff marks
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.
Hard Water Mineral Deposits (Calcium, Magnesium, Lime)
Unless you wipe your sink dry after every use, water left behind will eventually evaporate. When water evaporates, minerals such as calcium, magnesium, and lime are left behind, bonding to the surface. These spots are called mineral deposits.
Yes, composite sinks can withstand boiling water. There is no issue with pouring hot water down a granite, quartz, or solid surface sink.
It is very difficult to permanently stain a composite sink, that's one of their main benefits. However, as with many surfaces, some oils and acidic foods may seep down into the surface and cause a stain. Especially if the surface of the sink has been damaged.
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.
CLEANING of GRANITE COMPOSITE SINKS
Generic stains should be removed immediately. Cleaning powders and creams which are even slightly abrasive should not be used, nor chemically aggressive detergents.
Stubborn stains
Use a mild abrasive cleaner such as Bar Keeper's Friend and a soft scouring pad. A diluted bleach solution may also be used. Mix 1 part household bleach with 1 part water and let soak in the sink for 1 hour. scrub area thoroughly with a Mr.
Do not use a pressure washer with greater than 3100 psi pressure and do not hold it any closer than 25cm above the composite decking boards as doing so, you will be more likely to damage your boards. The sheer force of the water pressure can cause the surface of the decking boards to splinter, causing long-term damage.
Unlike natural granite, a composite granite surface won't require sealing.
Clean the heck out of the sink, then clean it again with rubbing alcohol. Soak/dip the cups in hot water to make them more pliable, then apply a little petrol jelly around the cup.
If you have a modern white porcelain sink, then bleach can be used sparingly to lift tough stains, but it should not be used as an everyday cleaner, or on large areas of porcelain. You should also avoid using bleach on vintage or colored porcelain, as this could cause permanent damage.
Whatever your style of sink, whether it's a farmhouse, white porcelain, stainless steel, or granite composite, The Pink Stuff can help get rid of marks, stubborn dirt build-up, and difficult watermarks.
Normal Stains—for stains, please use a mild abrasive cleanser, along with a soft scouring pad. For stubborn stains, use a solution of 50% bleach and 50% water. This should only be used for tough, stubborn stains. Let the solution sit in the bottom of the sink for one hour, then scrub.