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Re: [APD] pH controller



Match it up with one of these economical $32 solenoids and
your light timer and you're all set, give or take a unit of
pH:

http://www.customaquatic.com/customaquatic/subsubcategorypage.asp?subcatindexid=co-co-sol


sh
--- Liz Wilhite <satirica at gmail_com> wrote:

> On 9/27/05, Terry Barber <terbarb at alltel_net> wrote:
> > What models and brands of pH controller do you like?  I
> know , not really
> > necessary but I want to geek around with one for awhile
> (one that works
> > well).
> 
> I have a Milwaukee that works well.  I calibrate it once
> a month and
> only once in the last 10 months have I seen it be off,
> and then only
> by 0.1 units.  You are right that it isn't necessary, but
> it does
> satisfy that geek impules not to mention the fact that it
> gives you a
> feeling of "added assurance" until you are completely
> comfortable with
> bubbles per minute and CO2 in general.  I won't put one
> on another
> system but am happy that I bought this one.
> 
> Liz
> 
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