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Canada: $12
use the screwdriver provided to set it to 55
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PLEASE BE SURE TO TELL US WHICH pH BUFFERS YOU NEED AT THE TIME OF PURCHASE
Calibration can be done turning the Calibration Screw on the top of the unit using our 1
1.800 12 Gram Gem Gemstone Refractometer Refractive Index Fluid Liquid Cheap Coffee Refractometer Canada: $12Item Description: 1. 8ml Vial of 1. 800 Refractive Index Fluid for Gem Refractometers, 12 Grams (1. 8ml) THIS PRODUCT DOES NOT CONTAIN ARSENIC AND IS NON POISONOUS. 12 GRAM VIAL THAT'S 20% MORE THAN THE COMPETITION (and our product sells for less!)! UNLIKE THE COMPETITION, OUR VIALS ARE: * LABELED! YES, THEIR VIALS ARE UNMARKED NAIL POLISH VIALS *AMERICAN MADE (FROM A REAL LAB!)! * VERIFIED TO BE EXACTLY 1. 800 REFRACTIVE INDEX @ 20'C! * LEAK PROOF IN
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