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trace element testing

To: Aquatic-Plants at actwin_com
Subject: trace element testing
From: Ed Street <br at ldl_net>
Date: Sun, 8 Aug 1999 15:54:18 -0400 (EDT)

Hello,

Does anyone know of any test kits that can measure elements in trace mix
in solution? i.e. zinc, boron, manganese, molybdenum, potassium,
magnesium, etc..??

thanks

Ed

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