There are no products listed under this category.
Discover why the Tropic Marin High-Precision Hydrometer, affectionately dubbed the "Salterometer" in this video, is widely considered the most accurate tool for measuring salinity in a saltwater aquarium. Unlike digital testers that require frequent calibration with expensive solutions, this hand-blown glass hydrometer comes pre-calibrated and relies on the physical density of water, eliminating electronic error and user frustration. Captured live at Reef-A-Palooza Orlando, this demonstration covers how to get lab-grade results by adjusting for temperature, using the included protective storage sleeve, and utilizing a graduated cylinder to keep the fragile glass safe from curious fish. Whether you are tired of chasing calibration drift or simply want the most reliable reading for your reef tank, learn how this classic "old school" tool remains a gold standard for precision hobbyists.
There are no products listed under this category.