Crystal Lagoons

Many of us will pay a premium to live by water - whether it's the sea, a river or a lake.

It's well known amongst property developers but Chilean entrepreneur Fernando Fischmann is unique amongst his peers in having discovered a technique to keep the water in lagoons clear and so attractive to live next to.

His company Crystal Lagoons is in high demand to provide that technology right across the world. He talks to Peter Day on this edition of Global Business.