E-Clear MK7/CF1-1000, User Manual

Page: 48 / 88

45
B.
WAL
LS
B.
1
AL
G
AE
B.
2
ST
A
IN
S
B.
3
GR
O
UT
IN
G
RE
A
S
O
N
S
RE
A
S
O
N
S
RE
A
S
O
N
S
B.
1
.1
.
AL
K
IL
INI
T
Y
CAUS
E
Al
ka
lin
ity
too
hi
gh
,
ab
ove
1
20
pp
m
.
R
es
ul
ts
in
re
du
ce
d
sa
ni
tiz
er
e
ff
ic
ie
nc
y
–
al
low
in
g
al
ga
e
to
gr
ow
.
SO
LU
TIO
N
Ad
d
sm
al
l a
m
ou
nt
s
of
p
ool
a
ci
d
ove
r
th
e
cou
rs
e
of
a
fe
w
w
ee
ks
t
o
ea
t
up
t
he
a
lka
lin
ity
Bru
sh
wa
lls
&
a
dd
a
lg
aeci
de.
B.
1
.2
.
D
E
A
D
S
P
OT
S
I
N
P
OOL
CAUS
E
N
o
w
at
er
m
ove
m
en
t
in
c
er
ta
in
a
re
as
of
p
ool
d
ue
t
o
la
ck
of
r
et
ur
ns
,
al
low
in
g
al
ga
e
to
flou
ris
h.
SO
LU
TIO
N
In
st
al
l m
or
e
re
tu
rn
s
an
d
la
rg
e
pu
m
ps
.
Bru
sh
a
ffected
a
rea
s
reg
ul
arl
y
Add
algae
cide
.
B.
1
.3
.
LOW
C
OP
P
E
R
R
E
S
ID
U
A
L
CAUS
E
U
nd
er
0
.5
pp
m
a
llow
s
al
ga
e
to
gr
ow
.
SO
LU
TIO
N
Bru
sh
wa
lls
an
d
ad
d
al
ga
eci
de.
Sw
itc
h
O
N
c
op
pe
r
to
ra
is
e.
Ch
ec
k
con
du
ct
ivi
ty/
c
al
ci
um
h
ar
dn
es
s
–
ra
is
e
to
20
0p
pm
u
si
ng
c
al
ci
um
c
hl
or
id
e
fla
ke
s.
Ch
ec
k
if
cop
pe
r
pl
at
es
n
eed
rep
la
ci
ng
if
less
th
an
3m
m
t
hi
ck.
B.
2
.1
.
BL
A
C
K
/G
R
E
Y
S
T
A
IN
S
ON
W
A
LL
S
OR
P
U
R
P
LE
CAUS
E
O
ve
r
ox
id
at
ion
s
ta
in
s.
SO
LU
TIO
N
R
un
e
Cl
ea
r
fe
w
er
h
ou
rs
p
er
d
ay.
D
o
not
a
dd
ot
he
r
ox
id
iz
er
s
(c
hl
or
in
e/
b
rom
in
e
pe
rox
id
e)
di
re
ct
ly
on
to
w
al
ls
.
B.
2
.2
.
BL
A
C
K
S
T
A
IN
S
CAUS
E
N
ot
a
s
ta
in
b
ut
a
lg
ae
.
SO
LU
TIO
N
M
ake
s
ur
e
cop
pe
r
re
si
du
al
is
0
.5
pp
m
Add algae
cide
.
Br
us
h
w
al
ls
im
m
ed
ia
te
ly.
B.
2
.3
.
G
R
E
E
N
/ BL
U
E
S
A
T
IN
S
CAUS
E
Ve
ry
hi
gh
c
op
pe
r
re
si
du
al
a
nd
/or
h
ig
h
pH
h
as
c
au
se
d
cop
pe
r
ion
s
to
fa
ll
ou
t
of
s
us
pe
ns
ion
a
nd
a
dh
er
e
to
ca
lci
um
b
ased
su
bstra
tes.
SO
LU
TIO
N
TO
P
R
EV
EN
T
M
ake
s
ur
e
cop
pe
r
re
si
du
al
d
oe
sn
’t
go
ab
ove
0
.5
pp
m
.
Ad
ju
st
p
H
t
o
6.
8-
7.2
TO
TR
EA
T
Low
er
p
H
t
o
6.
8.
Ad
d
m
et
al
r
em
ove
r
B.
3
.1
.
GREEN
CAUS
E
Ve
ry
hi
gh
c
op
pe
r
re
si
du
al
a
nd
/or
h
ig
h
pH
h
as
ca
us
ed
c
op
pe
r
ion
s
to
fa
ll
ou
t
of
s
us
pe
ns
ion
a
nd
adhe
re
c
alc
ium base
d subst
rat
es.
SO
LU
TIO
N
TO
P
R
EV
EN
T
M
ake
s
ur
e
cop
pe
r
re
si
du
al
d
oe
sn
’t
go
ab
ove
0.5ppm. Ad
ju
st
p
H
t
o
6.
8-
7.2
TO
TR
EA
T
Low
er
p
H
t
o
6.
8.
Ad
d
m
et
al
r
em
ove
r
B.
3
.2
.
BL
A
C
K
CAUS
E
N
ot
a
s
ta
in
b
ut
a
lg
ae
.
SO
LU
TIO
N
M
ake
s
ur
e
cop
pe
r
re
si
du
al
is
0
.5
pp
m
Add algae
cide
.
Br
us
h
w
al
ls
im
m
ed
ia
te
ly.
B.
3
.3
.
C
R
U
M
BL
IN
G
CAUS
E
Low
p
H
.
SO
LU
TIO
N
In
cr
ea
se
p
H
t
o
7.
2
R
ai
se
a
lka
lin
ity.