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USC-fan
10/17/2007, 07:55 PM
Want a back up for my pinpoint PH monitor....
loudell
10/17/2007, 09:13 PM
how about some calibration fluid for reference?
bertoni
10/17/2007, 11:16 PM
Regular calibration should be fine, but there's also a borax test solution that can be useful.

I had good luck with the Salifert pH test kit before I bought a meter.
Billybeau1
10/17/2007, 11:23 PM
As far as the liquid titration test kits, I have founf the API (Aquarium Pharmaceuticals kit to be the easiest to read and the most accurate. :)

My API matches my Pinpoint to a tee.
USC-fan
10/18/2007, 01:10 PM
<a href=showthread.php?s=&postid=10996132#post10996132 target=_blank>Originally posted</a> by loudell
how about some calibration fluid for reference? It's too much trouble to remove the probe for testing each month like i plan to.