You can use acetone to remove sealer. Once the sealer bubbles up, use a striping brush to remove it. This might accidently remove the sealer from the grout. If it does, just re-apply a sealer to the grout only.
you can use acetone to remove sealers. Once the sealer bubbles up, use a striping brush to remove it. This might accidently remove the sealer from the grout. If it does,just re-apply a sealer to the grout only.