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Thread: DTPA or EDTA?
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post #7 of (permalink) Old 01-20-2013, 06:41 PM
Planted Tank Guru
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Join Date: Dec 2003
Location: The swamp
Posts: 13,588
ETDA and weaker chelators or ligands do NOT break down instantaneously.
So if you dose daily etc, or if you used say DTPA 2-3x a week, the results should be similar.

I use ETDA, Fe Gluconate and DTPA all in one.
I buy Fe Gluconate and DTPA and add to Plantex CMS+B.

Cheap and will last about 5-10 years for maybe 50$ worth.

Tom Barr
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