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Re: ISFET pH pens and controllers

To: Aquatic-Plants at actwin_com
Subject: Re: ISFET pH pens and controllers
From: Lobos <lobos0331 at yahoo_com>
Date: Thu, 17 Aug 2000 16:56:30 -0500

Roger - Not all pH pens are inferior.  I got mine from Fisher Scientific
supply company for $50 and it has worked flawlessly for 1 yr 9 months.

Lobos

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