Surface water sources that are not the sea should have a value of acid-alkaline (pH) between 5.0-9.0, the General water plants grow better in water with a pH between 6.5-7.5.
The reservoir surface not sea should the pH (pH) between the 5.0-9.0 plants in general will thrive grow well in the reservoir with value. PH between 6.5-7.5.