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Ingredients
- 7 cups water
- 1/2 cup baking soda
- 1/3 cup ammonia or lemon juice (I used lemon juice)
- 1/4 cup vinegar
Preparation
Step 1
In a large bowl mix all ingredients until baking soda is mostly dissolved.
Pour in a spray bottle.
Spray on grout and let set for 1 hour.
Scrub vigoursly and rinse... voila! :)