After | Après | Después de | Nach | Dopo ZERO (p. 10)
Without Chlorine | Sans Chlore | Sin Cloro
A
DPD
3
A
pH
tCl
fCl
5
A
pH
ZERO
tCl
fCl
36
Ozone | Ozono | Ozon
Ohne Chlor | Senza Cloro
N°1
& DPD N°
(Photometer)
ZERO
TA
TA
3
4
A
pH
ZERO
tCl
fCl
!
completely
dissolved
TA
NO
residue
pH
ZERO
TA
tCl
fCl