Most frequently asked questions about copper sinks.
1. How to clean copper wash basins?
It is enough to use clean water with a delicate detergent for everyday cleaning of copper. However, if in the region where you live there is hard water, it is worth wiping the bowl with a smooth dry cloth from time to time. With a view to additional protection, you may wipe the bowl with furniture polish. Polishing the surface of the bowl regularly with furniture polish will help you to keep the sheen of the bowl and will allow for faster flow of water out of it (it helps to keep it free of limescale. You will find more information on how to clean copper: here.
2. What should I beware of?
While cleaning and using a copper sink, you should be cautious with any caustic substances, any substances containing chlorine or any substances which might damage the surface mechanically (e.g. scouring powders). If the colours on the surface of your bowl fade a little or change the tone, don’t worry, because with time the faded places will take on a natural patina. You should be cautious with substances which might change the colour of the natural patina on copper, like: orange or lemon juice, ketchup, toothpaste, vinegar. Also, we do not recommend using sand or a scourer for cleaning copper sinks.
3. Is copper safe for your health?
Copper is totally safe for your health. Additionally, copper has got natural antibacterial properties and is ‘healthier’ than most other metals used for producing wash basins. Scientific research has proved that bacteria may live on metal surfaces for many days, whereas on copper surfaces they can survive only a few hours.
4. What can be done with a patina?
Copper tarnishing is a natural process of copper oxidation and it is not harmful for health. Although patina adds originality to a basin, after some time there may be too much of it. We are presenting a few methods of removing the excess of a patina (or of cleaning bowls not covered with a patina), which are both delicate and safe for the surface of your bowl. You may clean the surfaces with the use of special copper polishes or with one of specifics prepared at home. Try one of the following methods:
a) Copper ware may be cleaned with ammonia or vinegar mixed with salt (a handful of salt boiled with a glass of vinegar). Then rinse the surface with clean water, dry it and polish.
b) At the chemist’s you may buy oxalic (it has a form of white crystal grains) for ca 3 zlotys. Pour oxalic into an adequate amount of water so that it becomes a saturated solution. With the use of a cloth, apply the solution onto the cleaned copper surface and after a few minutes rinse it with water. You may repeat the process until you get the required effect. The oxalic solution is not caustic and it reacts well with copper oxides. At the same time, it does not react with the metal itself.
c) Grate a peeled potato or mix it finely. Put the mush onto the surface which you wish to clean and wait until it dries. After drying, remove the mush and wipe the surface with alcohol.
5. How are copper bowls manufactured?
More detailed information: Process of manufacturing hand-hammered sinks made – video.
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