"Lumo" > writes:

> Thanks for the replies.
>
> Iron isn't listed on the label so unfortunately I can't check that,
> but I'll look into the PH of the different bottles, and at filters.
>
> One of the bottles does leave a film on the cup and sometimes a layer
> along the top after brewing. I presume this is the 'somewhat basic'
> water described by Eric J.

The water that most interfered with brewing a good cup of tea in all
my life was very high in iron *and* left a film on the cup. One data
point only, but...

/Lew
---
Lew Perin /
http://www.panix.com/~perin/babelcarp.html