Conventional swimming pool uses large amount of chemical such as chlorine to sanitize the water. Although Chlorine may help to reduce the amount of bacteria within the water, it has many serious negative effects on human health, such as red eyes, skin irritation, nose and hair discomfort. In order to minimize the negative effects of chemical, Moncol have developed alternative solutions such as advance oxidation process (AOP), Ionizer and UV lamp for sanitizing pool water. In which the usage of chlorine is minimize to only +-5% for swimming pool and may be lowered closer to zero through running the pool constantly 24 hours daily.