Condition: Pre-owned in excellent functional condition. The glass prism is clear and free of scratches. The carrying case shows some minor cosmetic scuffs/scratches from storage, but the tool itself has been well-maintained.

This is a reliable RHS-10ATC Salinity Refractometer, an essential tool for saltwater aquarium maintenance, reef-keeping, or marine monitoring. It features Automatic Temperature Compensation (ATC), ensuring accurate readings without needing to re-calibrate for ambient temperature changes.

Includes all original accessories:

This unit is ready to use—just add a few drops of distilled water to calibrate the baseline and you're set. Perfect for anyone looking for a high-quality, durable alternative to plastic hydrometers.