Glass Cuvettes and Caps for Checker HC Colorimeters 
This Sap Refractometer shows you the sugar content of your sap more precisely than a regular sap hydrometer.
ATC (automatic temperature compensation)
Accurate within 1/4 of a percent
Does not come with calibration solution…but you can just use distilled water to calibrate
Comes in a nice carrying case
This refractometer for testing sap between 0-10 brix
