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Remove the magic eraser from its packaging. Submerge the magic eraser into a bucket of water or run it under the tap. Wring out the magic eraser. Use the damp magic eraser to scrub the stained area. Move the magic eraser in small circular motions. Removing the stain with the magic eraser may take a while. Continue to scrub the stained area until the stain has lifted. Re-wet and wring out the sponge as needed. After removing the stain, grab a dry, clean rag. Use the cloth to  wipe up any moisture remaining on the floor.
Dampen the magic eraser. Scrub the permanent marker stain with the magic eraser. Continue scrubbing until the stain is removed. Dry the area with a clean rag.