a quick search of the histonet archives brings up many posts about this.
most say its pH is 8-9.
http://www.histosearch.com/histonet/Jan03/RE.NeedrecipetomakeA.html
Diana McCaig wrote:
What should the pH range be for Scott's Tap Water?
_______________________________________________
Histonet mailing list
Histonet@lists.utsouthwestern.edu
http://lists.utsouthwestern.edu/mailman/listinfo/histonet
_______________________________________________
Histonet mailing list
Histonet@lists.utsouthwestern.edu
http://lists.utsouthwestern.edu/mailman/listinfo/histonet