Why are the CYA levels for SWG pools recommended to be higher?
http://www.troublefreepool.com/content/128-chlorine-cya-chart-slam-shock
Non-SWG goes down to 20, SWG starts at 60.
I'm at ~35 and deciding whether to increase that further or not.
http://www.troublefreepool.com/content/128-chlorine-cya-chart-slam-shock
Non-SWG goes down to 20, SWG starts at 60.
I'm at ~35 and deciding whether to increase that further or not.