Table 1:
PH and residual chlorine of swimming pools’ water samples.
Physicochemical characteristics
Range
Frequency(No.)
Percent
(%)
5-7.1
12
20
7.2-7.8
35
58.3
PH range
8-10
13
21.7
Total
60
100
0-1.9
44
73.3
Residual
2-3.9
15
25.0
Chlorine
4-4.9
1
1.7
Total
60
100.0