ELLIS ASSOCIATES LIFEGUARD TEST STUDY GUIDE
PRACTICE EXAMINATION 2026 QUESTIONS WITH
ANSWERS GRADED A+
● Chlorine. Answer: Disinfectant
● Free Chlorine. Answer: Available sanitizer
● Combined Chlorine. Answer: Used sanitizer
● Total Chlorine. Answer: All chlorine
● Breakpoint Chlorination. Answer: Shocking pool
● Alkalinity. Answer: pH buffer
● Cyanuric Acid. Answer: Chlorine stabilizer
● Water Clarity. Answer: Visibility
● Turbidity. Answer: Cloudiness
● Algae. Answer: Plant growth
● Green Algae. Answer: Common growth
● Black Algae. Answer: Stubborn growth
● Yellow Algae. Answer: Mustard algae
● Shocking. Answer: Super chlorination
● Backwashing. Answer: Filter cleaning
● Vacuuming. Answer: Bottom cleaning
● Brushing. Answer: Wall cleaning
● Skimming. Answer: Surface cleaning
● Pool Temperature. Answer: Water warmth
PRACTICE EXAMINATION 2026 QUESTIONS WITH
ANSWERS GRADED A+
● Chlorine. Answer: Disinfectant
● Free Chlorine. Answer: Available sanitizer
● Combined Chlorine. Answer: Used sanitizer
● Total Chlorine. Answer: All chlorine
● Breakpoint Chlorination. Answer: Shocking pool
● Alkalinity. Answer: pH buffer
● Cyanuric Acid. Answer: Chlorine stabilizer
● Water Clarity. Answer: Visibility
● Turbidity. Answer: Cloudiness
● Algae. Answer: Plant growth
● Green Algae. Answer: Common growth
● Black Algae. Answer: Stubborn growth
● Yellow Algae. Answer: Mustard algae
● Shocking. Answer: Super chlorination
● Backwashing. Answer: Filter cleaning
● Vacuuming. Answer: Bottom cleaning
● Brushing. Answer: Wall cleaning
● Skimming. Answer: Surface cleaning
● Pool Temperature. Answer: Water warmth