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Dupla Drops
Hello all, I haven't had anything useful to add lately.However one of my friends temporarily had access to a spectrometer and has suggested to me that the formula for Dupla Drops ( the real thing) could be something like
N Nitrogen 0
P Phos 0.7 ppm
K Potassium 0.1 ppm
Calcium 2.0 "
Strontium 0.1 "
Iron 1180 ppm
Zinc 0.2
Manganese 1.5
Molybdenum 0.2
Copper 0.05
Boron 2.2
I would like to hear how the above fits in with the observations and speculations so far.
Bruce Hansen