Re: [APD] pH Controller

["S. Hieber" <shieber at yahoo_com>]

Here's a tip for those with the AM controller. If you want
it to be easy to calibrate, only calibrate to one decimal,
same as the Milwaukee, and it calibrates in no time at all.

;-)

sh
--- David Grim <grim1214 at bellsouth_net> wrote:

> (snip)
> Message: 1
> Date: Tue, 27 Sep 2005 22:05:37 -0400
> From: "Terry Barber" <terbarb at alltel_net>
> Subject: [APD] pH controller
> To: "aquatic plants digest" <aquatic-plants at actwin_com>
> 
> 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).
> 
> Thanks\
> 
> Terry
> (snip)
> 
> The Milwaukee instruments SMS 122 is the one if you are
> keeping planted
> tanks. Economical, and easy to calibrate. I have three of
> these and one
> American Marine controller. The American Marine unit is
> much more expensive,
> takes much more time to calibrate, and has a level of
> accuracy (2 decimal
> points) that I don't find necessary for a plant tank. It
> was left over from
> my reefkeeping days.
> 
> I've seen the SMS 122 as low as $79 MO. That is cheaper
> than the American
> Marine pH monitor, which has no control function.
> 
> Regards,
> Dave
> 
> 
> 
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