The Giant Pacific ReeFract Portable Refractometer is an essential precision testing instrument designed specifically for saltwater and marine reef aquariums to accurately measure True Salinity (ppt) and Specific Gravity (S.G.). Built with integrated Automatic Temperature Compensation (ATC between 10°C–30°C), it automatically adjusts for room temperature variances to ensure highly consistent optical readings without the need for manual calculations. The clear dual-scale reticle allows aquarists to effortlessly monitor salinity levels at a glance using ambient light. Each unit comes housed in a padded protective case complete with a sample pipette, calibration screwdriver, microfibre cleaning cloth, and distilled water dropper for simple routine maintenance.
