Fritz 35PPT Calibration Fluid 37ml

SKU: FR03981

Use as a reference for any density measurement instruments. Simple 2 or 3 drop application. Quickly calibrate to 35 ppt or 1.026 sg.

Pre-measured refractometer calibration solution takes the guesswork out of properly calibrating your instrument – with no need for expensive or unreliable measuring equipment. A refractometer is essential to the saltwater hobbyist for success. Maintain its accuracy by recalibrating regularly.