We are talking about baking soda. It can be applied to surfaces in a number of ways. The first is baking soda and vinegar. Then you pour a good amount of baking soda directly onto the sink, scrub it lightly with a sponge, and then pour white vinegar over it.
You will see a foam forming that removes dirt and residue. Once finished, the sink will already be cleaner and brighter than before. If even this solution should not be considered as such, you can use other remedies that work 100%.
Baking soda and dishwashing liquid for impeccable cleaning
We are talking about baking soda and dish soap. These are poured together in a bowl, also mixed with the hands until a homogeneous and full-bodied paste is obtained that is spread in the sink with attention and care.
Once this is done, let it act for a few minutes, then use a rough sponge but not too much so as not to scratch the sink, when you rinse, use plenty of water to remove all residue and then go dry the sink. The result will certainly be satisfactory.
Fragranite sink, how to polish it properly without damaging it
If the sink is granite, it is advisable to act delicately, leaving the mixture in place for a maximum of 4 hours, which is the time needed to dissolve limescale stains. Alternatively, you can prepare a compound consisting of one part hydrogen peroxide and three parts cream of tartar. These are spread all over the sink until it dries completely.