Quote Originally Posted by Tredge
This makes no sense to me......

I thought the reason concluded behind SWG companies all suggesting 80ppm CYA was that you could maintain a lower chlorine level.

Does this chart state that SWG owners need at lease 5ppm Chlorine to have a safe pool? I dont think my SWG will generate that much.
SWGs are different. See this thread:

http://www.poolforum.com/pf2/showthread.php?t=3185