Instant Ocean Hydrometer Accurate, reliable water test equipment is absolutely vital to creating and sustaining a healthy, successful marine environment. Easy to read and simple to operate, the Instant Ocean Hydrometer delivers precise full-range salinity and specific gravity readings (accurate to 0.001) and does it each time, every time.
OUR PRICE $10.99
Deep Six Hydrometer Take water samples without submerging your hands, avoiding the possibility of contamination. Durable construction and easy-to-read scales guaranteed to provide years of reliable performance. Accurate to +/- 0.001 specific gravity.
OUR PRICE $9.99
Salinity Refractometer Hydrometers can be difficult to read and data must be adjusted for temperature. The salinity refractometer is not only temperature compensated but allows for low level readings and fine resolution, yielding precise low level readings to ensure proper salt content.
