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SE Iowa | http://www.profitproag.com/productsequipment/brix.html?Type=19
Just don't get tangled up in any advice or agronomic products. Buy the press and refractometer and run.
As far as testing leaf Ph, you could probably use a handheld Ph meter such as Midwest Labs sells, maybe using the press you get with the refractometer. There may be better methods. | |
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