Aquasana OptimH2O AQ-RO-3 Owner's Manual - Page 13
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Non-potable
Water Sources:
Do
not
attempt
to use
this product
to
make safe drinking
water
from non-potable
water
sources. Do not use
the
system on
microbiologically unsafe
water, or water
of unknown quality
without adequate disinfection before
or
after the
system.
This
system is
certified for
cyst
reduction and
may
be used
on
disinfected
water
that
may contain filterable cysts.
Arsenic Reduction:
Arsenic
(abbreviated As)
is
found naturally
in some
well
water.
Arsenic in
water
has
no
color,
taste, or
odor.
It must
be measured by
a
laboratory
test.
Public
water
utilities
must
have their
water
tested for
arsenic. You can get
the results from
your
water
utility. If
you
have
your
own
well,
you can
have the
water
tested. The local health department
or
the
state
environmental
health agency
can
provide
a
list of certified labs. The
cost
is typically
$15
to
$30. Information
about arsenic
in water can
be found
on
the
Internet
at
the
U.S.
Environmental
Protection
Agency website: www.epa.gov/safewater/arsenic.html.
There
are
two
forms of arsenic:
pentavalent
arsenic (also called As(V), As(+5), and arsenate)
and trivalent arsenic (also called As(lll), As(+3), and arsenite).
In
well
water,
arsenic may be
pentavalent, trivalent,
or a
combination of both.
Special sampling procedures
are
needed for
a
lab
to
determine what
type and how
much of each
type
of arsenic is in the
water.
Check with
the labs
in your area
to see
if
they
can
provide this
type
of
service.
Reverse osmosis
(RO)
water treatment
systems
do
not remove
trivalent
arsenic
from
water
very
well.
RO systems are very
effective
at
removing
pentavalent
arsenic. A
free chlorine residual will
rapidly
convert
trivalent
arsenic
to
pentavalent
arsenic.
Other
water treatment
chemicals such
as ozone
and potassium
permanganate
will also change trivalent
arsenic
to
pentavalent
arsenic.
A
combined chlorine residual (also called chloramine)
may
not convert
all the trivalent
arsenic.
If
you get your
water
from
a
public
water
utility,
contact
the utility
to
find
out
if free chlorine
or
combined chlorine
is
used
in
the
water
system.
The
AQ-RO-3
system is
designed
to remove
pentavalent
arsenic. It
will
not convert
trivalent
arsenic
to
pentavalent
arsenic.
The
system was
tested
in a
lab. Under testing conditions, the
system
reduced [0.3
mg/L
(ppm)
or 0.050
mg/L
(ppm)] pentavalent
arsenic
to
0.010
mg/L
(ppm) (the
USEPA
standard for drinking water)
or
less. The performance of the
system may
be
different
at
your
installation.
Have
the treated
water
tested for
arsenic
to
check whether the
system is
working properly.
The
RO component
of the
AQ-RO-3
system
must
be replaced
every 1-3 years
to ensure
that
the
system
will
continue
to remove
pentavalent
arsenic.
The
component
identification and
locations where
you
can
purchase the
component are
listed
in
the installation/operation manual.
Nitrate/Nitrite
Test
Kit:
This
system is
acceptable
for
treatment
of influent
concentration
of
no
more
than 27mg/l_
nitrate
and 3mg/L
nitrite in
combination measured as N.* This system is supplied with
a
nitrate/
nitrite test kit. Product
water
should be monitored periodically according
to
the instructions
provided
with the
test
kit.
*Nitrate/Nitrite
reduction
is
not
part
ofNSF Certification.
Installations in The Commonwealth of Massachusetts:
The Commonwealth of Massachusetts requires installation be performed by
a
licensed plumber
and do
not
permit the
use
of saddle valves. Plumbing code
248—
CMR
of the Commonwealth of
Massachusetts
must
be followed
in
these
cases.