The human body prefers salt water pools
The reason people comment on the beautiful silky feeling of saltwater pools is directly related to the salinity of the water and that of the human body.
In fact, most people cannot tell that there is chlorine in the water at all. It is known that the salinity of the human body is about 4500 ppm (parts per million). If the human body is placed in fresh water, osmosis occurs through our skin and eye membranes which is irritating to say the least.
The effect of this is greatly decreased in salt water because the osmosis effect through out biological membrane is greatly reduced as a result of the salinity levels being closer to out natural levels.