Thanks, I have gotten the CL and PH a lot better now. any other suggestions for me??? PS Thanks soooooooo very much for your help.

Date Chlorine PH Alkalinity hardness cyanuric acid
6/9/2012 0 7.8 300 400 water stayed clear add shock
6/10/2012 0.5 7.8 330 400 NA Added 9oz of CYA after reading add shock
6/11/2012 3 7.5 300 370 less then 30 Added 9oz of CYA after reading
6/12/2012 3 7.5 280 390 35 12 hours boost over night before readings
6/12/2012 1 7.5 NA NA NA 2 hours after adding 12.0 oz of liquid Muriatic acid
6/13/2012 1 7.2 270 350 NA next moring after adding 18.4 total oz of MA
6/13/2012 5 7.2 NA NA NA reading 1 hours after added 8oz of shock