macronutrient vs. micronutrient? - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 07-26-2006, 09:41 PM Thread Starter
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macronutrient vs. micronutrient?

For planted tanks, what are the basic macronutrients and micronutrients? Are nitrates, phosphates, potassium, iron considered to be macro or micro? I bought gregwatson's fertilizers and i'm curious as to which nutrients are considered to be macro/micro before i start dosing into my tank!

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post #2 of 5 (permalink) Old 07-26-2006, 10:05 PM
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Macros are needed in large amounts by plants -
Nitrates, Phosphates, Potassium and Carbon (from CO2) are considered macro nutrients.

Traces, like in Plantex CSM (Magnesium, Copper, Iron, Maganese, Calcium, Zinc, etc) are micros.

Some argue about iron - it is like a macro-micro. You need more of it than the other traces a lot of times.


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post #3 of 5 (permalink) Old 07-26-2006, 10:27 PM
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hi jen, for examplae im dosing the macro ferts and Seachem flourish for micro, do i still need a Iron even my substrate is flourite, i bought flouite cause of its IRon content so do i still need it or it depends with my plant

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post #4 of 5 (permalink) Old 07-26-2006, 10:48 PM
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Seachem flourish has iron in it, so I don't think you need to dose it separately. The iron in Flourite is useful to the plants, but I doubt it being sufficent by itself.

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post #5 of 5 (permalink) Old 07-26-2006, 11:36 PM Thread Starter
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Quote:
Originally Posted by JenThePlantGeek
Macros are needed in large amounts by plants -
Nitrates, Phosphates, Potassium and Carbon (from CO2) are considered macro nutrients.

Traces, like in Plantex CSM (Magnesium, Copper, Iron, Maganese, Calcium, Zinc, etc) are micros.

Some argue about iron - it is like a macro-micro. You need more of it than the other traces a lot of times.
thanks for the perfect clarification
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