red sea iron test

• To: "Aquatic Plants" <Aquatic-Plants at actwin_com>
• Subject: red sea iron test
• From: "Jim Viscosi" <skribb19 at borg_com>
• Date: Sun, 26 Jan 1997 07:07:16 -0500

In response to Dirk: I have the red sea iron test kit.  It's very easy to
use, but somewhat difficult to read between 0 an .1 ppm as for 0 ppm the
color is a pale blue, and for .1 ppm, its a pale blue with a light tinge of
green.  The two colors are quite close.  The rest of the scale isn't bad,
but the low end is a bit difficult to read with precision.  
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