This 11-hour course meets for two consecutive days. At the end of the course participants will be able to detect and correct pool problems including contamination, filtration, disinfection, water balance and heating or air conditioning problems; calculate the amount of chemicals needed to adjust pool contamination or imbalance; take and pass the CPO exam.Participants must pass an examination given at the end of the training to receive a microcredential, which is valid for a period of five years.