Category Archives: Reef Tank Hardware

Hydrometer vs Refractometer – Which Is Better For A Saltwater Aquarium ?

Hydrometer vs Refractometer – Which Is Better For A Saltwater Aquarium ? The single most important parameter in any reef aquarium is salinity.  Without a stable salinity of 35ppt or 1.026 specific gravity it is very difficult to maintain healthy coral growth.  If a tank’s salinity is not correct then every other major and minor […]