Tough scum build up makes grout challenging to clean. This simple cleaning solution will save your back and result in a beautiful, reconditioned grout.
First, sweep or vacuum the top layer of dust or dirt to prepare. Then mix the following solution:
- ⅓ cup white vinegar
- 1.5 liters (about 8 cups) of warm water
- ⅓ cup ammonia
- ⅓ cup baking soda
Decrease the volume depending on the floor space you plan to clean.
Mix it all together and soak the area for 5-10 minutes. With gloves, use the rough part of the sponge, a grout brush, or scrub brush to easily remove the build up.