Hi Zip,
Yes an interesting observation.
The formula was very low in potassium and a little low but probably ok in nitrate. I could have just boosted K.
This is not as low in micros as it looks, the salt is sea salt which has lots of micros, including some that are missing in the commercial mix like silicate. Others are pushing the upper limits. Copper and B especially.
It does come up a little short in zinc, which I may supplement. Will post analysis later....
This mix by the way tracks the macro nutrient levels in the University of Arizona recommendation for generic hydroponic mix for tomato pepper and cucumber, well without the salt of course.
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