From what I could determine, yes, instant milk is nutritionally about the same as fresh milk, fat content notwithstanding.
Hmm, the chain idea makes me think of the little marble in a spray paint can. Don't know if that'd help with knocking the foam down, though.
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The ultimate result of shielding men from the effects of folly is to fill the world with fools.
-- Herbert Spencer, English Philosopher (1820-1903)