Archive for May, 2009

Salt water swimming pools

Salt Water Swimming Pools Why Salt Water Pools ? Ocean water has a salt content of around 35, 000 parts per million (“ppm”). Humans have a salt taste threshold of around 3,500 ppm. Most chlorine generators require a salt content of 2500- 6000 ppm in the pool. A unit that needs less than 3500 ppm [...]