BOSS Refractometers

$Boss Coffee Refractometer$

TDS Coffee Tea & Espresso Refractometer Brix, Cold Press

$ 89⁹⁹

BOSS GR-100 Glycerin Refractometer Antifreeze Freeze Pt ºF, ºC, %

$ 159⁹⁹ Save $ 70

79.7% Brix Refractometer Calibration Fluid Standard Made in USA

$ 28⁹⁹ Save $ 21

$The best Glycerin Antifreeze Refractometer for the money is here! Well built and durable, this unit comes with an extended warranty.$

GR-100 0-100% Glycerin in Water Refractometer, Antifreeze Glycerine+ 10 pipettes

$ 163⁹⁹

50.9% Brix Refractometer Calibration Fluid Standard Made in USA

$ 28⁹⁹ Save $ 21

$Hands down, this is the BEST Glycerin Refractometer in the world. Craftsmanship is impressive and so are the results. Buy the worlds best with the BGR-200.$

BOSS BGR-200 Professional Grade 0-100% Glycerin Antifreeze Refractometer

$ 179⁹⁹

$The BEST Propylene Glycol Refractometer. Perfect for glycol jacket systems & fire protection in fire sprinklers.$

BOSS BPG Professional Propylene Glycol Antifreeze Refractometer PG

$ 109⁹⁹ Save $ 145

30.3% Brix Refractometer Calibration Fluid Standard Made in USA

$ 28⁹⁹ Save $ 21

$This is the BEST Colostrum Refractometer because it is made just for colostrum levels in cows and horses.$

Boss 0-32.0% Professional Brix Colostrum IgG Refractometer Colostrometer

$ 89⁹⁹

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$Professional Brix Refractometer$

Boss 0-32.0% Professional Brix Refractometer BIG PRINT

$ 79⁹⁹

$The Best, Coffee Refractometer. It measures % Brix and TDS of Coffee, Tea and Espresso. Compare to VST & PAL-Coffee$

BOSS CT&E10 TDS Coffee Tea & Espresso Refractometer Brix, Cold Press

$ 99⁹⁹ Save $ 850

12.5% Brix Calibration Fluid

$ 28⁹⁹

$The Best Salinity Refractometer around. Heavy duty construction and accurate readings.$

BOSS S-10ATC Professional Salinity Refractometer Aquarium Sea Water Dual Scale

$ 74⁹⁹ Save $ 67

$The best! A professional GRAPE refractometer with a silver body, a clear prism lens, and black accents, designed for measuring % Brix Sugars and Grape quality in grapes for produce or winemaking.$

BOSS Professional ATC Clinical Refractometer for Urine and Serum Protein

$ 149⁹⁹

$This is the best Brix refractometer around with a clear glass prism and a black base, featuring an LED daylight plate and a big print scale marking for 0-32% Brix.$

Boss LED B-32ATC 0-32.0% Professional Brix Refractometer BIG PRINT

$ 109⁹⁹

NI Supply Gift Card - Give the Gift of Refractometers!

$ 10⁰⁰

99.9% Brix Refractometer Calibration Fluid Standard Made in USA

$ 78⁹⁹ Save $ 21

90.1% Brix Refractometer Calibration Fluid Standard Made in USA

$ 48⁹⁹ Save $ 31