I thinking about purchasing a refractometer and was wondering what brand people have been happy with, i'm sure it is personal preference, but they all appear to be the same to me, atleast the ones on ebay that i have been looking at. They all have atc, mostly the differences in them are whether they are equipped with their own light, and how to calibrate them (either a screw, or something you can turn by hand) please let me know which kind you guys think is a great buy. Thanks
Nick
Nick