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Old 07-25-2013, 11:13 AM
Kiril Kiril is offline
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Join Date: Jun 2007
Location: District 9 CA
Posts: 18,368

Where did you come up with these numbers? Are we talking hydroponics here? If not, there is no need to address all the essential nutrients in a single fertilizer given plant nutrient requirements vary greatly depending on species, growing medium, environmental conditions, etc .... Custom blends are great, however they should be blended based on established plant need (soil test, plant tissue analysis, inputs, etc ...), not on a generic predetermined ideal ratio of nutrients that may or may not even be needed.
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