We can also do it with water and a small amount of ammonia or water with a small amount of bleach, but ammonia is better, because it is not an acidic product, but a base and does less damage to stone. The barbecue and the surrounding floor tend to be of untreated stone, unpolished surface and can be very porous. If, on retiring the talcum powder not all of the dirt has been removed, then the process must be repeated. For the inks we can also try out with water and bleach, in clear coloured stones or with acetonein the case of dark coloured stones. To avoid this one needs to take off these excessive layers of wax with a special product for this purpose, a wax remover, scrub with water and a neutral soap and wax the surface once again. Materials that can be removed with peroxide include some inks from markers and pens, stains from mildew, moss or algae, and stains left behind from liquids such as coffee or tea.

Scoop and smooth the paste over the stain using the spoon, creating an even layer at least 1/4-inch thick, extending slightly beyond the stain. Begin by mixing the poultice according to manufacturer’s instructions in the small bowl.

First we will give “homely” solutions, those which are within our reach, among those products which we habitually use in the house for cleaning. In a future article we will propose more specialised products, which have been elaborated exclusively for the purpose of cleaning of natural stone in the most efficient manner possible and which does not damage or alter the polish, the colour, and the texture.

Cleaning should be done using a sponge, a soft cloth or a very soft brush to avoid that the surface is scratched and is done making circles.

We apply a good quantity of them on top of the dirty spots covering them and leave them to react during some days.

Another remedy is to mix sodium bicarbonate and a little of water, cover and leave it to act. Applying layers of wax to the pieces of natural stone serves, apart from giving shine, to seal the pores a little.

Dampen any stained areas with distilled water and apply a thick layer of the poultice with a plastic knife.

Create a paste and poultice for a deep-set or difficult stain by pouring several tablespoons of peroxide into a small container. For a large area, mix a large batch of the paste poultice, spreading it over the stain with a plastic spatula to create an even layer. If you have marble flooring, it’s best to clean it with a neutral floor cleaner or have a trained professional clean it.









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We can also do it with water and a small amount of ammonia or water with a small amount of bleach, but ammonia is better, because it is not an acidic product, but a base and does less damage to stone. The barbecue and the surrounding floor...