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Re: Aquatic Plants Digest V3 #641

To: Aquatic-Plants at actwin_com
Subject: Re: Aquatic Plants Digest V3 #641
From: Dave Gomberg <gomberg at wcf_com>
Date: Thu, 12 Nov 1998 13:20:51 -0800
In-Reply-To: <199811122048.PAA05545 at acme_actwin.com>

At 03:48 PM 11/12/98 -0500,  Steve Pushak  wrote:
>I would like to see someone make a calibration test of several Fe test
>kits using precisely weighed amounts of chelated Fe in distilled water.
>Several people can participate in this study; in fact, the more people
>involved, the better.

Steve, why not make up tubes of .02, .05, .1, .2,.5 ppm Fe and send them
out to those of us who think we have this figured out.   Not necessarily
one of each.   And ask us to report back our findings on the concentration
in each tube you send us?   See whose test kit can tell and whose can't.

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