ANSWER
Phenol red
Valves are open if handle is ______ to the pipe
ANSWER
Parallel
How acidic or basic a solution (pool water) is
ANSWER
Ph
Acceptable range of Total Alkalinity in a pool
ANSWER
60 to 180
Acceptable range of ph in a pool
ANSWER
7.2 to 7.8
Acceptable range of calcium hardness in a pool
ANSWER
150 to 400
1
, Maximum reading for total dissolved solids (TDS)
ANSWER
1500
Ph of a human eye
ANSWER
7.5
Maximum time someone should spend in a spa
ANSWER
15 minutes
Maximum turnover rate for a main pool
ANSWER
8 hours
Maximum turnover rate for a wading pool
ANSWER
2 hours
Maximum turnover rate for a spa
ANSWER
30 minutes
Maximum temperature for a spa is _____ degrees
ANSWER
104
2