Ensure optimal water conditions for your marine aquarium with the Sera Marin Precision Seawater Hydrometer. Designed for accurate and reliable salinity measurement, this precision hydrometer allows you to quickly monitor the specific gravity of seawater, helping to maintain a healthy environment for marine fish, corals, and invertebrates. Made from high-quality glass with a clearly marked scale, it is easy to read and suitable for both beginner and experienced marine aquarium hobbyists.
What's in the box
1 x Sera Marin Precision Seawater Hydrometer - Accurate Marine Aquarium Tester