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Calibrate once every 30 tests OR 3 months to ensure proper accuracy with the 10% Brix Solution
press the button and read the results
Refractometers have been proven time and time again to be more accurate than hydrometers or reagent test strips for testing urine
Item Description: 1
This unit allows you to sample HOT Samples
SEAfractometer True Natural Seawater Salinity Refractometer Reef Aquarium 0-40pp glycerin in water Calibrate once every 30 testsSEAfractometer NATURAL SEA WATER REFRACTOMETER FROM NATIONAL INDUSTRIAL SUPPLY A POWERFUL AND WELL BUILT REFRACTOMETER, AT AN UNBEATABLE PRICE! PERFECT FOR ALL MARINE ENVIRONMENTS (EVEN BRACKISH)! SEAfractometer *NOW a True Natural Seawater with a 0 40PPT range! * Perfect for brackish environments, as well as normal marine environments! * Optimized for the temperature of most marine tanks 25'C! * Incomparable QUALITY, ACCRUACY, SCALE RANGE,