Macau Olympic Aquatic Centre Macau Olympic Aquatic Centre The Macau Olympic Aquatic Centre (; ) is an aquatic center in Taipa, Macau, China. Inaugurated on March 28, 2003, the aquatic center covers a total area of 3,220 m and has a seating capacity of 1,500. The Aquatic Centre includes a diving pool 25 meters by 25 meters (with an adjustable floor capable of reaching a maximum depth of 5 meters) and a 50m swimming pool with 10 lanes. Both facilities comply with the latest FINA standards and are eligible for holding international competitions. Water quality is maintained by a sophisticated sanitizing system using ozone,
Swimming pool and sometimes for therapy. Commercial spas are common in the swimming pool area or sauna area of a health club or fitness centre, in men's clubs, women's clubs, motels and exclusive five-star hotel suites. Spa clubs may have very large pools, some segmented into increasing temperatures. In Japan, men's clubs with many spas of different size and temperature are common. Commercial spas are generally made of concrete, with a mosaic tiled interior. More recently with the innovation of the pre-form composite method where mosaic tiles are bonded to the shell this enables commercial spas to be completely factory manufactured to