IKEA 401.498.48, Manual

Page: 4 / 60

4
Cleaning
Wash, rinse and dry the vacuum
flask before using it for the first
time. The flask may be washed
in a dishwasher. If you wash it by
hand, always add bicarbonate of
soda or washing-up liquid in the
water.
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
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