Do you have a sink in composite material, Cast Iron, or in resin? We tell you how to clean effectively
The kitchen, as we know, is one of the most loved and most experienced environments in the house. Precisely for this ancestral propensity to be one of the places where you spend time not only to eat and cook but also to be in company, to watch TV, and to welcome guests.
For all these features, the kitchen, in addition to having an important role in social interaction with others, is above all a room in the house to always keep clean and fragrant.
But be careful! cleaning must be thought about and studied above all according to the materials with which our furniture and accessories are made.
A “blind” cleaning could permanently ruin your kitchen furniture. For this reason, today we will discuss in detail the cleaning of kitchen sinks, produced not only in different shapes and styles but also in equally different materials. It is precisely the unique characteristics of these materials that require us to choose different products or cleaning methods.
More and more popular in recent years are the sinks in a composite material that you will find in a wide choice in our shop, perfect to combine in kitchens that require a different color even of the accessories and products that compose it, a valid alternative to the classic but always qualitatively valid, steel sink.
In particular, in this article of advice and suggestions, we will focus on cleaning kitchen sinks in composite materials, in particular, we will understand how to clean resin sinks or kitchen sinks in Cast Iron. A material widely used for kitchen products but also for the bathroom appreciated for its strong, resistant, and durable texture. But let’s find out how to clean resin sinks and or sinks in fragrance.
Sink in Cast Iron or resin: strengths and weaknesses
When we talk about composite material sinks, we are talking about those latest generation kitchen sinks. This material is mainly composed of a high percentage of natural particles combined with a percentage of acrylic resin and colored pigments that give the sink its particular and unique color. These sinks are called in different ways depending on the companies that produce them, but in essence, they are presented as sinks in Cast Iron or resin.
The name Cast Iron derives from the Franke company, the first who designed this particular compound which then gave its name and shape to this line of sinks. One of the best companies that produce these kitchen sinks is Plados Telma, products that you will find in a wide choice in our catalog.
Among the advantages of these sinks in composite material there is:
- Scratch resistance
- Possibility to choose an “unconventional” color
- Wear resistance
- Resistant to breakage
- Resistance to high heat temperatures, up to 280 degrees
- Ease of cleaning
- Green and ecological sink, precisely because it is made of natural materials
- Maintains a high level of sanitation
Real defects of this type of sink, in reality, are not many and they are not even so important as to convey a possible choice or propensity towards this type of sink, but it is good that you pay a little attention, now we explain why:
- Dark colors require extra attention in cleaning, as the color may be damaged
- Very high temperatures are not recommended, if you have a pot that exceeds 280 degrees in your hands, avoid placing it in the sink.
- The use of abrasive sponges could ruin the compactness of the material After a brief introduction to composite sinks, let’s move on to find out how to clean resin or Cast Iron sinks.
After a brief introduction to composite sinks, let’s move on to find out how to clean resin or Cast Iron sinks.
How to Clean a Cast Iron Sink
Having a kitchen sink that is always clean and sanitized is the dream of every queen of the house. An orderly and spotless kitchen top, including all the accessories and furnishing components that compose it, is a beautiful “presentation” card to surprise guests but above all to avoid deterioration of the kitchen components.
We know that aggressive and neglected dirt can affect the duration of our products, so we discover the best techniques on how to clean the sink in Cast Iron or resin.
Or, if you prefer to use industrial products, you can rely on the cleaning products that you will find in our shop or on the various products to clean the sink in Cast Iron. But now let’s see how to effectively clean fragrant sinks in the “do-it-yourself” version.
1. Detergent for dishes and baking soda
Cleaning your fragrance sink has never been easier. It is a technique that can also be used for daily routine cleaning and to deeply sanitize your sink. Just close the drains and pour a handful of baking soda on the walls of your composite sink. With a non-abrasive sponge and well soaked in dish detergent, gently scrub the surfaces of your sink, without leaving a corner of your sink and rinse thoroughly with plenty of water.
Don’t forget to dry the sink well, always. With this method, cleaning the Cast Iron will really be a breeze. This tip is perfect for both light and dark-colored sinks.
2. Bleach for light colors only
Pay close attention to this tip and this advice is only applicable to sinks that have very light colors. So if you are wondering how to clean the sink in beige Cast Iron, bleach may be your solution. It is good to use a delicate bleach for the sinks in Cast Iron, to be mixed in solution with water, or the gel version of the bleach because it is less aggressive.
Just pour the bleach into the basin of your sink and leave it to act for about ten minutes and no longer if the stains are concentrated in the bottom of your sink. If the problem is on the walls you can use a sponge and pass it on the walls of your sink to obtain deep sanitation and above all a clean that is unrivaled. Remember that this method is only for use with light-colored fragrant sinks and is perfect for removing stubborn stains.
3. White vinegar is also an anti-limescale
Are you wondering how to remove limescale from the sink in Cast Iron? Well, the answer is simple, just use white vinegar. This method is perfect to apply both for cleaning black Cast Iron sinks and for removing limescale from composite sinks of any color.
The procedure is really easy, pour a good amount of vinegar on the bottom of the sink and let it act for about ten minutes. Or pour the wine vinegar on the limestone stains, always leaving it on for about ten minutes. The result will surprise you, whether your goal was to clean and sanitize your dark Cast Iron sink or if your goal was to get rid of limescale stains.
4. Olive oil for the halos
We have seen several ways how to clean the Cast Iron sink, paying attention to the coloring so as to avoid too aggressive solutions. But if your problem is the halos that do not let your sink shine, we reveal a really effective trick: use a cotton ball lightly soaked in a little olive oil, rub lightly on the halos, and dry. You will see that that halo will disappear!
Don’ts for cleaning sinks in Cast Iron or resin
It is clear that just as there are the right tips and methods to follow for cleaning your resin or fragrant sink, there are just as many methods or initiatives, often personal, that should be avoided in order not to ruin the consistency and beauty of your sink. kitchen. This is why we have decided to present you with a valid list to follow:
- Do not use abrasive and too rough products and materials, such as metal sponges, as they could scratch and groove your kitchen sink
- Do not place pans that are too hot, such as those just removed from the oven and from the fire, as they could create unsightly burnt stains. Remember that the fragrant sink can withstand up to 280 degrees.
- Do not pour highly corrosive solutions such as solvents of various kinds or acetone and ammonia. These substances could act on the structural composition of the sink making it too delicate and more sensitive to stains.
Important precautions for the use and maintenance of composite sinks.
- Do not leave dirty dishes in the sink for too long, especially if they are soiled with high dyes (tea, coffee, turmeric, paprika, fruit juice, tomato sauce, etc.…). This type of stain if neglected is more difficult to remove.
- To avoid permanent burns, do not place freshly removed pans or other hot objects over 280 ° C on the sink.
- Do not use aggressive or abrasive detergents for cleaning the sink, it could be seriously damaged. Likewise, never use ammonia or products that contain it.
- If used, bleach must be diluted in water or used in the less aggressive gel formulation. But be careful, not all sink colors are suitable to be treated with bleach.
- In order not to irreparably damage the surfaces of the sink, do not use highly abrasive steel sponges, rather use the Franke recommended fragrance sponge.
- Do not pour alcohol, petrol, trichloroethylene, acetone, and solvents in general into the sink. These substances can attack the structure of the sink making it vulnerable to stains.
- Do not use muriatic acid, caustic soda, or alkaline products in general to eliminate the obstructions that clog the drain pipes. These acids can corrode the surfaces of the sink and seriously damage it.
- Protect the bottom of the sink from dangerous accidental knocks with heavy dishes and pans. Use a sturdy PVC mat with drain holes when washing dishes and pots.
- Perform the sink cleaning procedures listed below on a daily basis.
How to Clean a Cast Iron Sink | Video Explanation
Final Words

Hi, I’m Jennifer Lawrence, Went to Calhoun High School (Georgia) my goal is to make the kitchen fun by providing a mathematical and logical component to our approach to cooking good food. I look not only at delicious recipes but also at kitchen tools and gadgets to give you the tips and tricks we hope you will find useful. Read More Here
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