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.
Coffee was first planted in Costa Rica in the early 19th century, and was first shipped to Europe in 1843, soon becoming Costa Rica's first major export. Coffee production would remain Costa Rica's principal source of wealth well into the 20th century.osta Rica also borders Nicaragua to the north (309 km or 192 mi of border) and Panama to the south-southeast (330 km or 210 mi of border). In total, Costa Rica comprises 51,100 square kilometres (19,700 sq mi) plus 589 square kilometres (227 sq mi) of territorial waters.