WASHING SPECIAL ITEMS
Most common dishware items can be safely washed in an automatic dishwasher. If you have any doubts about a particular item, check with the manufacturer to see if it is dishwasher safe. If that isn’t possible, you might wash one item of a set a few times and compare it to the rest of the set to determine if washing it in the dishwasher
had any affect on it.
NOTE: ASKO has no control over what is put in our dishwashers once installed in a customer’s home. You are solely responsible for what you wash in your ASKO dishwasher.
  | Dishwasher | 
  | 
Material | Safe | Information and Recommendations | 
Aluminum | Yes, with | Anodized aluminum may fade or darken. Patches and discoloration may appear,  | 
  | caution  | but they can be removed with steel wool. Load aluminum utensils (such as a pie  | 
  | 
  | tin or roasting pan) where they do not touch other dishes because this can cause  | 
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  | gray or black marks. You can remove these spots with a nonabrasive cleaner.  | 
Cast Iron  | No  | The seasoning is lost and the iron rusts. Hand wash and dry immediately.  | 
China  | Yes, with  | China without decoration or with decoration protected by glaze is dishwasher  | 
  | caution  | safe. However, you should arrange the objects so they do not touch each other or  | 
  | 
  | they could be damaged.  | 
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  | China with a pattern on top of the glaze or with gold leaf decoration may fade. If  | 
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  | possible, check with the manufacturer. If that isn’t possible, wash one item over  | 
  | 
  | an extended period then compare it with the colors and patterns of the rest of the  | 
  | 
  | set. Wash in the Quick program on a low temperature setting.  | 
Copper  | Yes, with  | Do not wash copper in the same load as silver or silver plate. It could discolor the  | 
  | caution  | silver items. Do not let copper items come in contact with stainless steel.  | 
Crystal  | No  | Antiques and very delicate china should not be washed in the dishwasher. Certain  | 
  | 
  | types of lead crystal may etch if machine washed. Check with the manufacturer.  | 
  | Yes  | Wash at a low temperature setting. Be sure to load crystal dishware so that it is  | 
  | 
  | secure and will not fall over or knock against other dishware while being washed.  | 
Dirilyte  | No  | |
  | 
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Disposable  | No  | Cannot withstand machine washing.  | 
plastic items  | 
  | 
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Flatware with  | No  | Certain types of adhesives may loosen when machine washed.  | 
bonded handles  | 
  | 
  | 
Glass  | Yes  | Exception: Milk glass may turn yellow.  | 
Knives  | No  | Sharp kitchen knives may become dull if washed in very hot water and allowed to  | 
  | 
  | contact other items during the wash. Wood handles may also warp, crack, or  | 
  | 
  | loosen. Plastic handles may discolor. Check manufacturer’s washing instructions.  | 
Lead crystal  | No  | Certain types of lead crystal may etch if machine washed.  | 
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No  | Never wash items such as electronic air cleaners, air filters of any kind, paint  | |
items  | 
  | brushes, etc. You could damage the dishwasher.  | 
Yes  | If marked “Dishwasher Safe.” After washing, wipe the   | |
coatings  | 
  | vegetable oil to maintain its   | 
Pewter  | No  | Pewter will tarnish when machine washed.  | 
Plastic  | Yes  | If the item is labeled “Dishwasher Safe.” Do not use Extra dry. Do not wash  | 
  | 
  | disposable plastic items.  | 
Silver and  | Yes, with  | Rinse these items if you’re not going to wash them immediately; salty or acidic  | 
Silver plate  | caution  | foods can stain if left on. Dry dishwasher detergent can produce black marks  | 
  | 
  | which are difficult to remove. Do not put silver and silver plate in the same silverware  | 
  | 
  | basket with stainless steel. Contact between these metals can damage silver.  | 
  | 
  | Do not wash copper utensils in the same load. This could cause a brown film on  | 
  | 
  | the silver. Also, adhesives used to attach some   | 
Stainless  | Yes, with  | Rinse these items if you’re not going to wash them immediately; salty or acidic  | 
Steel  | caution  | foods can stain if left on. Dry dishwasher detergent can produce black marks  | 
  | 
  | which are difficult to remove. Do not mix different types of stainless steel in the  | 
  | 
  | same load.  | 
Tin  | No  | Tin will rust.  | 
Wood  | No  | Unless marked “Dishwasher Safe” by the manufacturer. Wood can warp, crack or  | 
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  | lose shape with any kind of washing.  | 
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