14
Water Quality Guide
For water quality of swimming pool
NOTE:
This data table is partially based on some publications about water quality. It only serves as a reference. Please consult your pool
technician for your specific types of pool before action. AQUABOT INC. is not responsible for how you use the measured data.
Illustration of
light colour
pH
（
Acidity and
alkalinity
）
ORP
（
Oxidation-
Reduction
Potential
）
Green indicates
good water quality
respectively
7.2
≤
pH
≤
7.8
7.0
≤
pH
＜
7.2
7.8
＜
pH
≤
8.0
≥
650mV
0
≤
TDS
≤
2000ppm
2000
＜
TDS
≤
2500ppm
＞
2500ppm
600
≤
ORP
＜
650mV
＜
600mV
Yellow indicates
fair water quality
respectively
Red indicates
poor water quality
respectively
RC
(Residue
Chlorine)
1
≤
RC
≤
3ppm
0.5
≤
RC
＜
1ppm
3
＜
RC
≤
4ppm
＜
0.5,
or
＞
4.0
＜
20,
or
＞
31
TDS
（
Total dissolved solids
）
Temperature
（
℃
）
23
≤
T
≤
28
20
≤
T
＜
23
28
＜
T
≤
31
＜
7.0,
or
＞
8.0
