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SUMMARY OF CHEMICALS USED WHEN DESCALING BOILERS AND HEAT EXCHANGERS
Product
Scalebreaker
SR
Scalebreaker
FX
Scalebreaker
HD
Note this is an extremely
powerful chemical - use
with caution.
Neutralising
Crystals
pH paper
Znl
Booster
Foambreaker
# = Please note carriage restrictions apply with some chemicals / pack sizes. Please call for advice.
Issue; May 2023
Application
Descaling heat exchangers,
boilers or water heaters.
Suitable for materials including
aluminium.
Pour slowly into CLEARFLOW
tank whilst re-circulating
Works faster with heat.
Descaling heat exchangers,
boilers or water heaters.
NOT suitable for use with
aluminium or galvanised steel.
Descaling heat exchangers,
boilers or water heaters.
Not for use in central heating
systems.
NOT suitable for use with
aluminium, galvanised or
stainless steel.
Used to neutralise acidic water
to enable safe disposal down a
FOUL SEWER
Pour slowly into the
CLEARFLOW tank whilst
re-circulating.
To check that the solution is
neutral. pH reading should be 7
(i.e. same as tap water)
Dip 3cm in dump water and
compare colour with chart.
To protect galvanised pipes
when being descaled with
SR Crystals.
Add to CLEARFLOW tank whilst
re-circulating BEFORE addition
of SR Crystals.
Used to control excessive
foaming whilst descaling.
Using your Clearflow for descaling
How much do you need?
Dissolves half its own
weight of scale.
Colour changes from red
to yellow when
exhausted, so add more.
In liquid form, ready to
use. Make a solution of 1
part FX to 4 parts of
water.
In liquid form, ready to
use. Make a solution of 1
part HD to 10 parts of
water.
Between 1 and 5% in
water.
Approx. 10 cm.
3% by weight of
SR Crystals.
10ml per 50 litre
of descaling solution.
How is it packed?
Carton of 6 x 2.5kg pails.
# 15kg pail.
Cartons of 4 x 5 litre.
# Cartons of 4 x 5 litre.
Cartons of 6 x 2.5 kg pails.
15 kg pails.
5 metre dispenser pack.
450g tub.
(treats 15kg SR Crystals.)
1 litre dispenser pack.
Page D.2
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