ACTUAL Exam Questions and CORRECT
Answers
Total Chlorine - CORRECT ANSWER - combination of free and combined clorine in the
water
Acid - CORRECT ANSWER - lowers pH
Total Alkalinity - CORRECT ANSWER - ability of the water to maintain ideal pH
Backwash - CORRECT ANSWER - cleaning a filter by reversing the flow of water
Sodium Bicarbonate (NaHCO) - CORRECT ANSWER - baking soda, white powder, raise
alkalinity, small change in pH
Breakpoint Chlorination - CORRECT ANSWER - eliminate inorganic material, add enough
chlorine free chlorine to destroy chloramines
Calcium Hardness - CORRECT ANSWER - calcium part of the total hardness reading
Chloramines - CORRECT ANSWER - Combined Chlorine, forms when chlorine bonds to
ammonia, irritant to eyes and skin, strong smell
DE Filter Media - CORRECT ANSWER - white powder, fossilized skeletons, used in DE
Filters
Effluent - CORRECT ANSWER - outflow of water from pump, filter, pool