Those calcium deposits are why most fertilizers don't incorporate complete calcium. It's very hard to have calcium in the same solution with other nutrients and minerals, due to the tendency for calcium to bind itself to them.
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I've not seen this happen with the CNS17. But in fairness, I've not stored it long term, either. This ability to stay unbound in solution is supposed to be one of the big breakthroughs for the CNS17.
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I'd be interested to see you grow your plants out full season, in side-by-side comparison with the "bloom" formula, vs solely the "grow", and report the results. I know what the results are, but it would be great to have my own results validated.