Pool Operator Exam

whole range chlorine in a pool: ____ to _____ - answer-1, 5 ideal range chlorine in a pool: ____ to _____ - answer-2, 4 whole range chlorine in a spa: ____ to _____ - answer-2, 10 ideal range chlorine in a spa: ____ to _____ - answer-3, 5 4 types of solid chlorine - answer-calcium hypochlorite, lithium hypochlorite, trichlor, dichlor liquid chlorine - answer-sodium hypochlorite (NaOCl) how active is gas chlorine - answer-100% the active killing form of chlorine in water - answer-hypochlorous acid (HOCl) HOCl = ______ - answer-H+ (hydrogen ion) + OCl- (hypochlorite ion) most common granular chlorine (pH range) - answer-calcium hypochlorite (8.5 - 11, used to super chlorinate water) not common form of chlorine due to low active strength (pH) - answer-lithium hypochlorite (10.8)