Macau Olympic Aquatic Centre instead of chlorine. 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
Swimming pool used to sanitise the water. Chemical disinfectants, such as chlorine (usually as a hypochlorite salt, such as calcium hypochlorite) and bromine, are commonly used to kill pathogens. If not properly maintained, chemical sanitation can produce high levels of disinfection byproducts. Sanitized swimming pool water can theoretically appear green if a certain amount of iron salts or copper chloride are present in the water. Acesulfame potassium has been used to estimate how much urine is discharged by swimmers into a pool. In a Canadian study it was estimated that swimmers had released 75 litres of urine into a large pool that