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How to remove grout using a multi tool and hand-held grout saw
If you have to remove a lot of grout, this video might help. I had to do 2 rooms, which was about 300 square feet. For a smaller job, you can get away with just the handheld grout saw and/or the triangular grout remover.
Also, consider using a dust mask if you are making too much dust. Good luck!
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