A diet rich in green veggies will raise your pH to more optimal levels:
It is easy to adjust pH by simple diet changes
http://www.iconperformanceonline.com/?p=3678
Alkaline/Acid Support Forum at the Curezone
http://curezone.org/forums/f.asp?f=739
Also see:
http://tinyurl.com/Iodine-PH-Levels
Grizz