Instant Ocean Full Range Hydrometer

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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 Oce an Hydrometer delivers precise full-range salinity and specific gravity readings -- accurate to ± 0.001 -- and does it each time, every time. Accurate, reliable water test equipment vital for creating and sustaining a healthy, successful marine environment Easy to read and simple to operate Delivers precise, full-range salinity and specific gravity readings – accurate to +/- 0.001 – every time you measure Show more