Terms in this set (45)
-0.5 - +0.5 acceptable range for the Langelier Saturation Index
1.5 minimum reading for chlorine in a main pool
2 hours maximum turnover rate for a wading pool
3 minimum reading for chlorine in a wading pool
7.2 to 7.8 acceptable range of pH in a pool
7.5 pH of a human eye
8 hours maximum turnover rate for a main pool
15 minutes maximum time someone should spend in a spa
30 minutes maximum turnover rate for a spa
60 to 180 acceptable range of Total Alkalinity in a pool
104 maximum temperature for a spa is _____ degrees
150 to 400 acceptable range of calcium hardness in a pool
1500 maximum reading for total dissolved solids (TDS)
the reverse of flow of water through the filter tanks in order to clean the system
backwash
the point at which the chlorine is raised to 10 times the combined chlorine level
breakpoint and all of the chloramines are oxidized
-0.5 - +0.5 acceptable range for the Langelier Saturation Index
1.5 minimum reading for chlorine in a main pool
2 hours maximum turnover rate for a wading pool
3 minimum reading for chlorine in a wading pool
7.2 to 7.8 acceptable range of pH in a pool
7.5 pH of a human eye
8 hours maximum turnover rate for a main pool
15 minutes maximum time someone should spend in a spa
30 minutes maximum turnover rate for a spa
60 to 180 acceptable range of Total Alkalinity in a pool
104 maximum temperature for a spa is _____ degrees
150 to 400 acceptable range of calcium hardness in a pool
1500 maximum reading for total dissolved solids (TDS)
the reverse of flow of water through the filter tanks in order to clean the system
backwash
the point at which the chlorine is raised to 10 times the combined chlorine level
breakpoint and all of the chloramines are oxidized
