![Instant Ocean Hydrometer](http://harvardpetparadise.com/cdn/shop/files/4d4ff678-fc56-4f2c-b8c7-9bcbea545497_1.074e200992170e5f2de4adc1eb57a235_{width}x.webp?v=1700345258)
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.
- 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