English
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 and add 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 a freezer.
•
Not to be used on a hob, a hotplate
or any type of cooktop.
•
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, since
heat sets a 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
a 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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