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Take good care of your vacuum flask
Wash, rinse and dry the vacuum flask
before using it for the first time. Always
empty the vacuum flask after use.
Wash it by hand, adding bicarbonate of
soda or washing-up liquid to the water.
Use a bottle brush to make sure it is
thoroughly clean inside.
Good to know
•
Pre-heating the flask with hot water
(or cooling it with cold water) makes
sure the contents retain the desired
temperature for longer. Never use a
vacuum flask in a microwave oven,
an oven or freezer.
•
Not to be used on a hob/cooktop/
range or a hotplate.
•
Do not keep carbonated (fizzy)
drinks in the flask. The build-up of
pressure can make the cork explode
with considerable force. The same
thing may happen if sugary drinks
in the flask are exposed to heat, as
heat sets the fermentation process
in motion.
•
If possible, avoid using the vacuum
flask for baby food and for drinks
made with hot milk. Bacteria can
develop rapidly in the heat and set
the fermentation process in motion.
If you do keep milk or baby food in
the flask, make sure this is only for
a short time, and always clean the
flask carefully afterwards.
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