How to Remove Rust stains from limestone

Our counter tops are usually made of limestone which is a pleasure to look at and works wonderfully as well. Moreover, flooring applications also incorporate this awesome stone. The word stone would definitely conjure an image of something hard and concrete before your eyes. Yet, even though concrete is hard, it doesn’t imply that it is not porous.

Limestone has the capacity to absorb certain liquids and these liquids consequently can make limestone prone to rust if they happen to have run over certain metals before they reach the step.

Rust stains acquired by limestone prove to be very difficult and stubborn to remove. However, you cannot opt for strong acids as there is a great likelihood that these strong agents would damage your limestone counter tops or floors.

Yet, the situation is not entirely hopeless. Given below are a few easy tips which will help you to treat these rust stains eventually leading to their effectual removal from your lime stone surfaces.

                              Method One (Using Lemon Juice)

Lemon juice constitutes of citric acid which is known for its cleansing properties.

Things that you will require:

· Lemon juice
· Tooth brush/ bristled brush
· Clean cloth

Steps that you need to take:

1.     Take some fresh lemon juice and pour it on the stained area. Make sure that the stained area is entirely covered with this lemon juice.

2.   Allow this lemon juice to sit on the rust stain for some time, approximately 5 to 10 minutes.

3.   Then, start scrubbing this stain with the help of an old tooth brush or a bristled brush. Continue scrubbing until the rust stain disappears.

4.   You might have to repeat the application of this lemon juice, depending upon the intensity of rust stain.

5.   Once you are sure that the rust stain has been satisfactorily removed, wipe the previously stained area with a clean cloth.
Method Two (Using Oxalic acid)

The following method should be opted for, if the rust stains on your limestone counter tops or flooring are stubborn and refuse to come off with the help of lemon juice.

Things that you will require:

· Oxalic acid
· Tooth brush
· Clean cloth

Steps that you need to take:

1.    Pour some oxalic acid onto the rust stained area.

2.    Allow it to sit on the stain for 5 minutes.

3.    Afterwards, start scrubbing with the help of an old tooth brush. Keep scrubbing until the rust stain disappears.

4.    Once the stain is gone, wipe the surface with a clean cloth.


Oxalic acid is dangerous so don’t forget to wear protective glasses and gloves, while handling this acid.


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