Fritz 35PPT Calibration Fluid 37ml/1.25oz (Available in case of 18)

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

Description

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. FR03981 Casebuy:18.

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