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[APD] Re: pH meter

Hello Shireen,

The problem with inexpensive electronic pH meters is just what you wish from them: "that I can dip into my aquarium and get a number" -- you always get a number! ANY number, right, or wrong, but a number.

The advice of Raj to get an instrument with a detachable sensor is very sound. CALIBRATING solutions are also a must and frequent calibration assures that the number you get has a relationship to the real pH of your water.

On the other hand, the importance of pH in fish keeping is much overrated! In practice it matters little for the fish whether the pH is 6, 6.5, or 7, provided that it is not 9 and that any changes are very slow and gradual. The so-called "pH shock" is mostly mythical, but osmotic shock -- often connected with different pH of waters -- is very real and should be guarded against/



Message: 4
Date: Sat, 12 Feb 2005 01:58:25 -0500
From: Shireen Gonzaga <whimbrel at comcast_net>
Subject: [APD] pH test meter recommendations
To: aquatic-plants at actwin_com
Cc: Shireen Gonzaga <whimbrel at comcast_net>

That's it, I've had enough of those damn pH test kits. Matching the
test solution to the color charts is a nightmare. I'm starting to see
things ... strange strange things that laugh at me and call me "stupid".

What's a good pH meter that's reasonably priced and easy to use,
something that I can dip into my aquarium and get a number?

The Pinpoint pH meter used to come recommended. Are folks still using
it and liking it?


Shireen Gonzaga
Baltimore, MD

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