06
07
LIMESCALE WARNING!
HARD WATER WILL CAUSE LIMESCALE BUILD-UP, RESULTING IN
BLOCKAGES THAT WILL CAUSE PERMANENT DAMAGE OR WILL
DECREASE THE LIFE OF YOUR MACHINE. TO PREVENT THIS, DESCALE
REGULARLY AND USE A WATER SOFTENER.
IMPORTANT NOTICE: PRODUCT FAILURE DUE TO THE BUILD UP OF
LIMESCALE IS NOT COVERED BY GUARANTEE.
HOW TO MANAGE
LIMESCALE BUILD-UP
Before Use – Know Your Water Hardness:
• Confirm the hardness of your
water with your local water
company or use the quick
reference map as a guide.
• Find your water company
on the OFWAT site
(ofwat.gov.uk/contact-
companies) and check
the water hardness of
your area.
• If you are unable to establish
the water hardness of your
area, or require further
support, contact Dualit
Customer Services by
emailing [email protected].
*Treat bottled water as hard water.
During Use - Water Softeners
You must use a Water Softener Bag (available at www.dualit.com) in medium and hard
water areas, but Dualit recommends the use of a water softener in all areas. Follow the
manufacturer’s instructions for use. Replace the Water Softener Bag according to the table
above.
During Use - Descaler
Dualit recommends using limescale removing solution (available at www.dualit.com). Follow
the manufacturer’s dosage and safety/handling precautions. Descale your appliance regularly
according to the table above.
For further assistance, contact Dualit’s Customer Services by emailing [email protected].
• See descale instructions for full descale procedure and further details.
• User must descale using a specific limescale removing solution, coffee
machine cleaners will not descale your machine.
WATER HARDNESS ACTION FREQUENCY
Hardness
level
CaCO
3
mg/l
Descale
Water
Softener
Slow Coffee
Extraction or Drop
in Steam Output
Soft
0-100
At Least Once Every 2
Months or Every 100 Cycles
Replace
Annually
Descale
Immediately
Medium
101-200
At Least Once Per Month
or Every 50 Cycles
Replace
Bi-Annually
Descale
Immediately
Hard*
201+
At Least Once per Month
or Every 25 Cycles
Replace
Bi-Annually
Descale
Immediately
Soft
Medium
Hard
BRITISH ISLES WATER
HARDNESS MAP
