Boneco U650 Instructions D'utilisation page 19

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Water quality maintenance
The Ionic Silver Stick utilizes the antimicrobial property of
silver and provides one season of optimum water quality
maintenance in all BONECO humidifiers. The ISS begins
working as soon as it comes into contact with water – even
if the unit is switched off. The ISS is intended exclusively
for use in humidifiers. Look at picture 16 for the position of
the ISS in the appliance. Do not reach inside the nebuliser
space during operation. Switch off the unit first.
Do not use additives
Water additives (e.g. essential oils, fragrances, water con-
ditioners etc.) must NOT be used! Even a small amount
can cause damage to the tank material. The material is not
suitable for the use of such additives. One drop is enough
to damage the tank and render the appliance unusable.
Appliances that are damaged by such additives will not be
covered by the manufacturer's warranty.
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