Pool Operator's Test exam 2023 with 100% correct answers

phenol red used to measure pH parallel valves are open if handle is ______ to the pipe pH how acidic or basic a solution (pool water) is 60 to 180 acceptable range of Total Alkalinity in a pool 7.2 to 7.8 acceptable range of pH in a pool 150 to 400 acceptable range of calcium hardness in a pool 1500 maximum reading for total dissolved solids (TDS) 7.5 pH of a human eye 15 minutes maximum time someone should spend in a spa 8 hours maximum turnover rate for a main pool 2 hours maximum turnover rate for a wading pool 30 minutes maximum turnover rate for a spa 104 maximum temperature for a spa is _____ degrees -0.5 - +0.5 acceptable range for the Langelier Saturation Index flow meter instrument that measures how fast the water is returning to the pool after it has been cleaned parts per million the rate of flow is measured in... effluent line other name for return line DPD #1 and #2 to measure free available chlorine the reagents should be... floculent filter aid that makes small dirt bigger