Black soap is a cleaning product that can be used for many household uses. To clean the joints, apply this product to the damaged joints using a damp brush. Rub to remove dirt and rinse with lukewarm water.
5. Baking soda
Baking soda is a multi-use product that allows you to whiten, stain and descale various surfaces without damaging them. Essential for home maintenance, the product comes in the form of a fine white powder. To do this, and to clean your joints, start by spraying ½ glass of white vinegar on the tile joints and leave for a few minutes. Then sprinkle four tablespoons of baking soda on the surface to be treated. Leave to act for 10 minutes then use a brush to strip your joints. Rinse with lukewarm water.
These grandmother’s tips will make your job easier and you will easily regain the former whiteness of your tile joints.