n240sxguy
Well-known member
That depends on your cya level. Have you looked at the fc/cya chart?
http://www.troublefreepool.com/content/128-chlorine-cya-chart-slam-shock
Sent from my iPhone using Tapatalk
http://www.troublefreepool.com/content/128-chlorine-cya-chart-slam-shock
Sent from my iPhone using Tapatalk