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Calculating Fe concentration

To: <Aquatic-Plants at actwin_com>
Subject: Calculating Fe concentration
From: "Alex R." <pcalex at yahoo_com>
Date: Sat, 3 Mar 2001 20:44:39 -0600
References: <200103032048.PAA13024 at actwin_com>

I'm interested in calculating the amount of iron a dose of Tropica
MasterGrow adds to my tank. I think I have figured out how do this, but I
want someone to check my calculations.
TMG has 0.07% Fe. So if 1 mL of TMG weighs 1000 mg and Fe is .07% of that,
then 1 mL has 0.7 mg Fe. For my 113 L tank, I need 11.3 mg Fe to increase Fe
by 0.1 mg/L. So if 1 mL TMG has 0.7 mg Fe, I need 11.3/0.7=16.2 mL TMG to
increase the concentration by 0.1 ppm.
Is this correct? Or am I assuming something that I shouldn't be? Thanks.
__
Alex R.

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