Natural swimming pools are the biggest news for gardeners since green roofs.
The water is cleaned by aquatic plants instead of chlorine so it is gentle on the eyes and healthy for swimmers.
These self-cleaning ecosystems are beautiful to look at and provide a valuable water source for dragonflies, honeybees and other beneficial insects.
Wolfram Kircher has researched extensively into the low-nutrientdependent plants that are needed for the surrounds of natural swimming pools and the high-nutr.
Filbert Press How to build a natural swimming pool, hardcover/wolfram kircher
