The Planted Tank Forum - View Single Post - Is there freshwater tests for iron, magnesium, and calcium?
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post #5 of (permalink) Old 12-24-2012, 08:00 PM
Algae Grower
Join Date: Sep 2012
Location: b/cs texas
Posts: 55
yes there are test for them; total iron, for instance, you need to use digestion method to get a true result. this is not something easily done at home nor is it cheap.
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