1. Gather supplies: baking soda, vinegar, toothbrush, sponge.
2. Make a paste with baking soda and water.
3. Apply paste to grout lines.
4. Spray vinegar over the paste; it will fizz and help clean.
5. Scrub grout gently with toothbrush.
6. Wipe clean with sponge and water.
7. Let dry and enjoy your bright, fresh bathroom tiles!
This simple tutorial brightens your bathroom without replacing tiles.
