Kat points out it is important to buy a refractometer with a scale of 0-32% rather than the next model up, which has a scale of 32-50% and would show all colostrum as being too low in quality.

Who Episode Lesley Jacobs Solmonson February 4, 2014 The Brix Refractometer may sound like the title of a Dr. Who episode, but – despite its scientific wizardry – it's far more down to earth.