Dampen a stiff toothbrush with warm water, dip in baking soda, then scrub the grout lines. Rinse with warm water and dry with cloth. Continue to rinse until you have all baking soda removed.
Rejuvenate makes a white grout restorer marker pen as well.
Every time I clean my mirrors, they end up having tons of streaks and almost look worse than before I started. What could I use to clean them that won't leave streaks...
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I have a honed Carrera marble floor in my master bath. Every product I have tried etches the marble (if it works at all) or the grout looks just the same after scrubb...
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Dampen a stiff toothbrush with warm water, dip in baking soda, then scrub the grout lines. Rinse with warm water and dry with cloth. Continue to rinse until you have all baking soda removed.
Rejuvenate makes a white grout restorer marker pen as well.
Hi Vita, here is a link to assist you in safely cleaning the grout with out harming the marble tiles
https://homeguides.sfgate.com/marble-grout-cleaning-42787.html
Once clean make sure you seal your marble and grout. Really helps you not to work so hard, plus protect your marble.
Hi Vita!
The videos I have posted will give you some tips on how to do this.
https://www.bing.com/videos/search?q=How+do+I+whiten+my+tile+grout+on+marble+floors%3f&qpvt=How+do+I+whiten+my+tile+grout+on+marble+floors%3f&FORM=VDRE