How to Clean Knife Blades

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A knife blade that is neglected and left unclean can become dull and rust more easily. Cleaning knife blades is not at all difficult, but naturally requires some concentration so you do not cut yourself while doing it. In addition, using improper cleaning methods, such as throwing your knives in the dishwasher rather than cleaning them by hand, can shorten the life expectancy of both the handle and blade.

Things You'll Need

  • Thick rubber gloves
  • Mild dish detergent
  • Toothbrush
  • Soft sponge
  • Soft cloths
  • WD-40
  • Nylon scrubbing pad

Serrated

  • Put on thick rubber gloves to offer your hands some protection in case you accidently touch the sharp edge. Hold the blade under warm, running water to remove loose particles of grime.

  • Wet a toothbrush under warm water. Place a drop of liquid dish detergent on the toothbrush bristles. Rub this gently over the serrated edge of the blade to remove dirt or other substances.

  • Dampen a sponge in warm water. Pour a few drops of detergent onto the sponge. Scrub this over both sides of the blade. Mild soap or detergent is recommended by both Cutlerscove.com and Jayfisher.com.

  • Rinse the knife under warm running water. Dry the blade well with a soft cloth.

Smooth-edged

  • Wet a soft cloth in warm water. Wipe down both sides of the blade to remove loose debris.

  • Scrub the blade with a damp, soapy sponge. If food or other substances is stuck to the blade, pour dish detergent directly on the blade and let it soak in for a few minutes. Scrub it again with the sponge.

  • Rinse off the blade with warm water by holding it under your kitchen faucet. Dry the blade well with a soft cloth.

Rust Removal

  • Spray the blade with a spray lubricant, saturating all areas of rust. Let the spray lubricant sit undisturbed for a minute.

  • Scrub the blade with a nylon scrubbing pad. Rinse the blade and check to see that the rust is removed. If any remains, spray it again and wait about five minutes before scrubbing again.

  • Wash off the rust and spray lubricant residue with warm, soapy water. Rinse the blade well and dry it with a dry cloth.

Tips & Warnings

  • Cutlerscove.com warns against cleaning any knife in a dishwasher as doing so may dull and soften the blade.
  • Jayfisher.com advises against using abrasive cleaners for routine cleaning on knife blades--some abrasives can scratch knife blades.

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References

  • Photo Credit knife image by dethchimo from Fotolia.com
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