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Items not suitable for dishwashers:
- Wooden cutlery and crockery or
items with wooden parts: these may
discolour and fade. The glue used in
these items is not dishwasher-proof
and wooden handles may come
loose after being washed in a
dishwasher.
- Craft items, antiques, valuable vases
and decorative glassware: such items
are not suitable for dishwashers.
- Plastic items that are not heat
resistant: the high temperatures in
the dishwasher may cause them to
melt or lose shape.
- Copper, brass, tin and aluminium
items: these may discolour or
become dull.
- Colours painted over a glaze: these
may fade after a number of washes.
- Delicate glassware and glassware
containing lead crystal: clouding may
occur over time.
Silver
Silver that has been in contact with
foods containing sulphur can discolour.
These include egg yolk, onions,
mayonnaise, mustard, pulses, fish, fish
brine and marinades.
Silverware previously cleaned with a
silver polish may still be damp or
spotted at the end of a programme,
where water has not run off smoothly.
Tip: Rub the silver dry with a cloth.
Loading the dishwasher
Damage due to caustic alkaline
detergents.
Aluminium parts (e.g. the grease
filters of cooker hoods) can be
damaged by caustic alkaline
detergents. In extreme cases, there
is a risk of an explosive chemical
reaction (such as an explosive
oxyhydrogen gas reaction).
Aluminium components must not be
cleaned in the dishwasher with
caustic alkaline commercial or
industrial detergents.
Tip: When purchasing new crockery
and cutlery, make sure they are
dishwasher-proof if you want to wash
them in the dishwasher.
Glass care
- Clouding may occur on glasses after
frequent washing in the dishwasher.
When washing delicate glassware in
the dishwasher, ensure that only a
special glass-care programme with
very low temperatures is selected
(see "Programme overview"). This will
reduce the risk of clouding.
- Purchase glassware that is
dishwasher-safe (e.g. Riedel
glassware).
- Use detergents with glass protective
additives.
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