Re: RO units
R Britt (britt@indigo.ucdavis.edu)
Tue, 5 Apr 1994 13:24:19 -0700 (PDT)
>
> What's a good, inexpensive way to test water quality? What agency or
> whatever does one call?
>
The standard way is to measure conductivity, which of course is related to
the ion concentration. I think a reasonable conductivity meter for water
purity measurements should be quite inexpensive.
-rdb