[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: R.O. UNIT
Dave Gomberg wrote:
> At 01:11 PM 3/30/99 -0800, David Sanchez wrote:
> >If you change and maintain the carbon and micron
> >filters according to the manufacter's guidlines I have
> >gotten water at about 6.5 consistantly after a day of
> >settling.
>
> So you are saying that the water after RO and one day of exposure to the
> atmosphere is pH 6.5? And you call that acid?
My 30 year old chemistry text says anything under pH 7.0 is acidic. Have things
changed since then?????
> I would bet it is just CO2 uptake.
You're probably right. Carbonic acid isn't especially strong - at the level of
CO2 found in the atmosphere.
> --
> Dave Gomberg, San Francisco mailto:gomberg@wcf.com
> http://www.wcf.com/co2iron
> -----------------------------------------------------------------
>
> -------------------------------------------------------------------------
> This is the apistogramma mailing list, apisto@majordomo.pobox.com.
> For instructions on how to subscribe or unsubscribe or get help,
> email apisto-request@majordomo.pobox.com.
> Search http://altavista.digital.com for "Apistogramma Mailing List Archives"!
-------------------------------------------------------------------------
This is the apistogramma mailing list, apisto@majordomo.pobox.com.
For instructions on how to subscribe or unsubscribe or get help,
email apisto-request@majordomo.pobox.com.
Search http://altavista.digital.com for "Apistogramma Mailing List Archives"!