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Re: Reconstituting RO/DI Water/ RO Water comes in at 5.5pH
Randy.....Damn interesting, I'll get this chemistry down yet..........where
does you water start at???....pH wise...............
Mike
Mike Jacobs
Center for Advanced Technologies
High School Math Instructor
St. Pete, Fl.
----- Original Message -----
From: "Randy Carey" <carey@spacestar.net>
To: <apisto@listbox.com>
Sent: Monday, March 25, 2002 5:54 PM
Subject: RE: Reconstituting RO/DI Water/ RO Water comes in at 5.5pH
As a support for this statement, my r/o water usual reads from 5.5 to 5.9
after I've gathered it in a holding tank. As I said earlier, my unit
leaves enough in the water to have a conductivity of about 20µ -- enough, I
assume, to get a relatively close reading with my probe.
--Randy
At 12:43 PM 3/25/2002, you wrote:
>_Pure_ water has a pH of 7.0. But that's an extremely difficult
>measurement, and almost irrelevant for fish-keeping ('cuz anthing else in
>the water will change it).
>
>Breathe on it, and you'll lower the pH... to about 5.5, which is the pH
>you'll get with atmospheric CO2 dissolved in it ;)
>
>michael kahlow
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