Rushes, sedges and water lilies not only provide a beautiful border around your natural swimming pool, but they keep the water clear and clean.
PHOTO: COURTESY BIOTOP
A cross-section of a natural pool, showing the plant zone and swimming area. After compacting a thin layer of soil, a liner and gravel were applied to the pool's bottom. A floating dock equipped with a ladder provides easy access into and out of the pool.
Home to frogs, water striders and dragonflies, natural pools are a treasure trove of niches kids love to explore.
You can use Rasta blocks made of cement and recycled polystyrene to build a conventional pool with vertical sides. Establish your plant beds around the outside perimeter to naturally filter and clean your pool.
COURTESY KENTON KNOWLES
With its neat stonework edge and graceful waterfall, this pool creates a spectacular summertime oasis in Castle Rock, Colorado.
COURTESY CHERYL OPPERMAN