Fritz 35ppt Calibration Fluid is a pre-measured solution designed to accurately calibrate refractometers used in saltwater aquariums. This essential product eliminates the guesswork from ensuring your instrument provides precise salinity readings, which is crucial for the health and stability of your reef environment.

Each 1.25oz bottle contains a reliable 35 ppt calibration standard, equivalent to 1.0264 Specific Gravity and 1.3394 Refractive Index. It simplifies the calibration process without requiring additional expensive or unreliable measuring equipment. The formula consists of sodium chloride and RODI water, providing a stable and accurate reference point for monthly instrument checks.

This calibration fluid is indispensable for any saltwater hobbyist committed to maintaining optimal water parameters. Regular recalibration of your refractometer with Fritz 35ppt Calibration Fluid ensures consistent accuracy, allowing you to confidently manage your aquarium's salinity and contribute to the long-term success and thriving inhabitants of your reef tank.