Re: Happy New Year

[Geo/Len <szucs@videotron.ca>]

Hi Ken

> What model would you recommend and what are the price`s of these meter`s  ?????

Thanks

George

>
>
> I would recommend the silicon chip sensor pH meters. They can be
> stored dry and the electrodes are good for 10,000 - 20,000 readings.
> Most of the standard gel pH electrodes (the kind found in most of the
> small hand-held pH meters) last for 6 months to 1 year and then you
> have to replace the whole meter.  The best price/performance that I
> have seen are at www.phmeters.com - I have now used one of their's
> for 18 months with no problems.  They came highly recommended by a
> salesman who only carries standard hand held pH meters so he was
> actually losing business by recommending them!  The electrode is
> stored dry which is a very nice feature.  For measurements, all you
> need is 1 - 2 drops of liquid.  The extra $25 to get the model 125
> (if I remember correctly) is worth it because you get 3 point
> calibration capability among other things.  During the last 18
> months, my meter has drifted by only 0.1 pH units.  The only negative
> is their cost but they pay for themselves in just 10 - 15 months as
> compared to gel electrodes.
>
> Ken
>
> -------------------------------------------------------------------------
> This is the apistogramma mailing list, apisto@listbox.com.
> For instructions on how to subscribe or unsubscribe or get help,
> email apisto-request@listbox.com.
> Search http://altavista.digital.com for "Apistogramma Mailing List Archives"!



-------------------------------------------------------------------------
This is the apistogramma mailing list, apisto@listbox.com.
For instructions on how to subscribe or unsubscribe or get help,
email apisto-request@listbox.com.
Search http://altavista.digital.com for "Apistogramma Mailing List Archives"!