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Can You Dishwash Pewter?

Published in Pewter Care 4 mins read

No, you should never wash pewter in a dishwasher.

Pewter, a beautiful and durable alloy, is perfect for everyday use and can maintain its wonderful finish with minimum care. However, it requires specific cleaning methods to prevent irreversible damage.

Why Dishwashing Pewter is Not Recommended

Washing pewter in a dishwasher is strongly discouraged due to several critical factors that will ruin its finish:

  • Harsh Chemical Reaction: Dishwasher detergents contain aggressive chemicals and abrasives designed to tackle tough food residues. These chemicals react adversely with the pewter, leading to a permanent dulling, pitting, or discoloration of its surface. The chemical interaction can strip away the metal's natural luster and smooth texture.
  • High Heat Damage: The intense heat cycles in a dishwasher can be detrimental to pewter, which has a relatively low melting point compared to other metals. This high heat can cause the pewter to warp, distort, or even melt, especially for thinner or more delicate pieces.
  • Water Pressure Effects: Strong jets of water inside a dishwasher can be too harsh for the relatively soft metal, potentially scratching or otherwise damaging the delicate surface and intricate designs.

The combined effect of these elements will compromise the pewter's characteristic luster and smooth feel, making the damage often irreversible.

Proper Care for Your Pewter Items

To ensure your pewter retains its exquisite finish and lasts for generations, always opt for handwashing. This simple and gentle method is highly effective for cleaning without causing damage.

Recommended Handwashing Steps:

  1. Prepare Soapy Water: Fill a sink or basin with hot, soapy water. Use a mild dish soap – avoid abrasive cleaners or harsh chemicals, which can still harm pewter even during handwashing.
  2. Gentle Cleaning: Submerge your pewter item and gently wash it using a soft cloth or sponge. Pay attention to any crevices or intricate designs to ensure thorough cleaning.
  3. Rinse Thoroughly: Rinse the pewter under warm, running water to remove all soap residue. Ensuring no soap remains is crucial to prevent streaks or film.
  4. Immediate Drying: Crucially, dry the pewter immediately and thoroughly with a soft, lint-free cloth. Allowing it to air dry can lead to water spots, which can be difficult to remove and detract from the finish.

For a clearer understanding of why handwashing is superior, consider the following comparison:

Cleaning Method Benefits Risks & Consequences (for Pewter)
Handwashing - Preserves the original finish - Requires manual effort
- Gentle on the metal - Can be time-consuming for many items
- Prevents harmful chemical reactions
Dishwashing - Convenient and time-saving - Ruinous to pewter finish (chemical reactions)
- Effective for other dishware - Causes dulling, pitting, discoloration
- Can lead to warping or melting due to high heat
- Damage is often irreversible

Maintaining Pewter's Luster

Beyond regular cleaning, a few additional tips can help maintain your pewter's beauty and longevity:

  • Avoid Abrasives: Never use steel wool, abrasive scrubbers, or harsh polishing compounds, as these can scratch and permanently damage the pewter surface.
  • Storage: Store pewter items in a dry environment. If stacking multiple pieces, place a soft cloth between them to prevent scratches.
  • Polishing (If Needed): Modern pewter often has a satin finish that doesn't typically require polishing. If your pewter has a bright, polished finish and you wish to restore its shine, use a specialized pewter polish sparingly and follow the product's instructions carefully. Reputable sources like the Worshipful Company of Pewterers offer excellent advice on maintenance and care.
  • Everyday Use: Pewter is durable enough for daily use, making it a wonderful and practical addition to your home. Just remember to treat it with care during cleaning to preserve its integrity.

By consistently following these simple guidelines, your pewter items will remain beautiful and functional for many years to come.