Ensure your salinity readings are accurate every time.

This 35ppt calibration solution is designed to properly calibrate refractometers and digital salinity testers, helping maintain stable and healthy reef conditions.

✔ Calibrates to 35ppt / 1.026 SG

✔ Essential for accurate salinity readings

✔ Compatible with digital testers & refractometers

✔ Ideal for reef and saltwater aquariums

✔ 250mL bottle for multiple uses

For best results, calibrate regularly.