Pool Info: Pool Chloramines. When any type of chlorine is added to water, it forms hypochlorous acid (HOCl - the most powerful killing form of chlorine in water) and hypochlorite ion (OCl-), a relatively weak form of chlorine in water. The percentage of HOCl and OCl- is determined primarily by the pH of the water.
Costa Rica is located between 8 and 12 degrees north of the  Equator. The total distance is 888.17 miles or 1429.36 kilometers.
It borders both the Caribbean Sea (to the east) and the North Pacific Ocean (to the west), with a total of 1,290 km of coastline (212 km on the Caribbean coast and 1,016 km on the Pacific).Costa Rica shares a border with Nicaragua to the north (313 km long border) and with Panama to the south (348 km long border).xtent of Costa Rica's western EEZ in the Pacific. The nation's terrain is a coastal plain separated by rugged mountains, the Cordillera Central and the Cordillera de Talamanca, which form the spine of the country and separate the Pacific and Caribbean watersheds.