Use baking soda to shine tile joints and floors.

1. Mix the Cleaning Solution:
   • Combine 4 tablespoons of baking soda with 10 centimeters of white vinegar in a spray bottle. Expect some fizzing—this is normal and part of the cleaning action.
2. Apply the Mixture:
   • Spray the solution onto the dirty tile joints and allow it to sit for 24 hours. This gives the mixture time to break down grime and stains.
3. Scrub and Rinse:
   • After the waiting period, scrub the joints with a toothbrush or sponge. Rinse the area with clean water to remove any residue.
4. Enjoy the Results:
   • Once dry, your tile joints should look refreshed and clean.

Additional Tip:

• Varnish for Visibility: If you have highly visible tile joints, such as in a bathroom or kitchen, consider applying a tile grout sealer or varnish to keep them clean and protected from future dirt and moisture.