| http://www.w3.org/ns/prov#value | - RR2, Box 710, Strong, ME 04983 (207-684-5131).Most biologically-oriented farm & garden suppliers now carry and endorse refractometers.Various wine supply houses stock brix refractometers and hydrometers.Online auction houses, such as eBay, always have refractometers listed.REFERENCESThe Anatomy of Life & Energy in Agriculture, Dr. Arden Andersen.
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