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Re: Micronutrients



Sorry everybody, I goofed. I add iron at 4.5 uM or about 0.25 ppm. This is 
ten times more than I posted originally. The micronutrient mix I use is 
based on work done by Elias Landolt who is (was, I think he recently 
retired) the foremost expert on duckweeds in the scientific community. 
A few more comments ... the mix also contains Na and Cl which are also 
considered at times to be micronutrients ... the Co is probably not 
necessary but I like to add it for completeness.

Again, thats 4.5 uM Fe twice a week.

Dave.