1.   The fish are laid flat on a board and scraped with the back of a knife to remove the scales.

2.   I have heard of using acid to remove this scale, but is it safe?

3.   It was as if I had scales removed from my eyes.

4.   Scrape salmon skin with a knife to remove any scales.

5.   You can remove scales by carefully scraping them off with your thumbnail or with a plastic scouring pad.