1. **Gather Materials**: You'll need a scrub brush, grout cleaner or homemade solution, hot water, a bucket, protective gloves, and possibly a grout sealant (optional).
2. **Prepare the Area**: Ensure proper ventilation in the room by opening windows or using a fan. Lay down towels or protective coverings to catch any drips and protect surrounding surfaces.
3. **Choose a Cleaning Solution**: You can use a commercial grout cleaner or make your own solution by mixing equal parts of water and vinegar or water and baking soda to form a paste. Alternatively, you can use a mixture of bleach and water, but use caution and wear gloves to avoid skin irritation.
4. **Apply the Cleaner**: Apply the cleaning solution to the grout lines, focusing on one small section at a time. Be sure to follow the manufacturer's instructions if using a commercial cleaner.
5. **Scrub the Grout**: Use a scrub brush to scrub the grout lines vigorously, applying firm pressure to remove any dirt, grime, or stains. You may need to use a toothbrush for hard-to-reach areas or particularly stubborn stains.
6. **Rinse Thoroughly**: Once you've scrubbed the grout lines, rinse the area thoroughly with hot water to remove any remaining cleaner or residue. You can use a clean sponge or cloth to wipe away excess water.
7. **Dry the Area**: Use a clean, dry towel to pat the grout lines dry or allow them to air dry completely before sealing (if desired).
8. **Apply Grout Sealant (Optional)**: To help protect the grout and prevent future staining, you can apply a grout sealant according to the manufacturer's instructions. This step is optional but recommended for high-traffic areas or areas prone to spills.
9. **Maintain Regularly**: To keep your tile grout clean and looking its best, it's essential to clean and seal it regularly, especially in areas with heavy use or exposure to moisture.
By following these steps, you can effectively clean your tile grout and restore its appearance without the need for professional help. Remember to wear protective gloves and work in a well-ventilated area, especially when using bleach or commercial cleaners.