There is also a lot more airation in rain water and it is more likely to be associated with cloud and cooler periods. Peter (UK) On Fri, Oct 26, 2012 at 7:10 PM, Paul Licht <plicht@berkeley.edu> wrote: > Hannon > Why is rain water different from hose. Here in Berkeley, we found that > the domestic (hose) water comes at about pH 8.9-9.2 whereas rain is much > more neutral. >