For tough jobs, a steel scourer pad may be needed along with a putty knife or flathead screwdriver.

How to remove excess grout that has dried. Scrub the tile with the nylon scouring pad. Spray grout lines with vinegar. The absolute best way to keep your tiles free of dried grout is to prevent it from.

Vinegar (opens in new tab) paper towels (opens in new tab) an old toothbrush Then using some fine wire wool, rub gently over the grout which will. Mix 1/2 gallon of warm water and 1/2 cup of sugar in a bucket.

Apply sugar water to the remaining grout and scrub with a nylon scrubber. You may need to get the flat edge of either tool under the big clump and chisel it. Lay the wood on the floor so that the edge touches the grout spot.

Tape the tiles so that the grout joints are all that is visible. I've tried scraping the dried grout. Use firm yet gentle pressure to push against the dried grout.

Scrub dirty grout lines with warm water and brush. Apply a layer of sulfamic acid on the grout and let it sit for 3 minutes to melt the grout. If the countertop dries, reapply the solution.

Taping will help to stop you from sawing into the tile as you cut up the grout. Spray warm water on the grout lines and scrub in a circular motion. Cleaning up grout lines after tiling 1.