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Can You Add Grout To Low Spots? [Solved]
Yes. It should bond well assuming 1) the grout is still clean, and 2) you clear the surface of dust and debris. However, if the depth you’re filling is extremely shallow, you may be better off in the long term by grinding most of the existing grout out first.7 Jul 2017
Apply new grout over the old grout, step by step
This video made for everyone who want to
This Grouting Mistake will Ruin Your Tile Job
WARNING!
How To Refresh Grout: EASY DIY Project! Grout Repair and Sealing for Beginners (How To Regrout)
In this video, I show