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WITHOUT YOUR SINK YOU'D BE SUNK!

Tackling the issue of limescale buildup and discolouration on your granite kitchen sink.

Do you have a ‘discoloured’ granite sink? Do you live in a hard water area?  Read on…

What is hard water?

Hard water is water that has a high mineral content and is formed when water percolates through deposits of limestone and chalk which are largely made up of calcium and magnesium carbonates. Source Wikipedia.

OK that’s the science bit out of the way. Now, what does that mean for your kitchen sink?

Why does hard water cause your sink to become discoloured and what can you do about it?

Hard water can cause water marks, discolouration and stains on the surface of your granite sink. It is therefore important that you wipe your sink after each use to prevent build up of limescale deposits.

The discolouration of limescale build up can often be mistaken for the discolouration or staining of your sink itself. It’s worth remembering that scale can take on stains of strong food colourants such as tomato sauces, beetroot juices, also tea/coffee and red wines. If you don’t remove the limescale you won’t remove the stain. This can be easily rectified with a few simple steps.

If a build up of limescale does occur it can easily be removed with a specialist cleaner such as Astraclean or a mix of water and white vinegar/lemon juice (1 part water to 1 part white vinegar/lemon juice). The mixture should be rinsed thoroughly after use and not left in contact with the surface of the sink for a prolonged period of time.

Astraclean Astraclean specially formulated kitchen sink cleaner.

The use of Astraclean regularly can also help to prevent limescale adhering to the surface of the sink.

If the build up and discolouration of limescale on the surface of your sink is particularly bad you may need to resort to something with a little more power to remove it. Bleach or products containing bleach, such as Cillit Bang can be used with water (1 part bleach to 1 part water).  Using a soft plastic bristled brush, you should only lightly scrub the stained area followed by a thorough rinse using warm soapy water and dry using a soft cloth. You should never put neat bleach on to the sink surface.

Once your sink is free from scale an easy method to prevent build up so readily is to apply a very light coating of food grade oil, such as olive or sunflower,to the surface with a soft cloth. This prevents the limescale sticking and can be wiped of much easier without the need to use strong chemicals.

You may find our blog Keepin’ It Clean: Kitchen Sink Hygiene useful too.

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