05/05/09 Introduction to the natural swimming pools: History and methods to develop the natural swimming pool or ecological swimming pond.
- swimming pond - 1 - 1 - natural swimming pool - 1 - -
The door is opened to nature to move in. It s a great habitat to natural species. Engineered to keep the water clean with no harsh chemicals disinfectants. This one is about 60 000 pounds. The whole system depends on massive filtration.
