Birth control in water and waste water, which has a natural waste water treatment by increasing the pH in water spoilage to write-downs of spoilage from to much reduced.
Birth control in sewage water. This is a natural wastewater treatment. By increasing the pH to the water pollution. In order to reduce the pH of water polluted by much less.
The control of waste water in the water. The treatment of naturally by adding the pH into water, in order to reduce the pollution of water pH rotten from the much reduced.