What is the best refractometer made?
I have had the same ATC brand one for a bit over two years and the adjustment screw is now so rusted that I can't calibrate it at all anymore.
I would like to buy a better quality one. Any advise would be appreciated.
I have had the same ATC brand one for a bit over two years and the adjustment screw is now so rusted that I can't calibrate it at all anymore.
I would like to buy a better quality one. Any advise would be appreciated.