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201 Posts
Wheeler said:
Use distilled water, a known quantity of NO3 or PO4, and soak the lignite in it for a a predetermined time and test how much nutrient is left unbound in the water afater your time is up. Easy experiment and ultimately useful for us, I think. I don't have the testing equipment, or I'd try it.
Howdy John...

Bring over some lignite sometime this week, I can run this one easily...

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