ITEM NAME:Precision Seawater Salinity Meter For Aquarium Fish Marine Sea O3T9 Special M7J6 Product Description This Classic hydrometer is an affordable measuring device for marine tanks. It is a economical way to determine salinity. This device is a must have for all marine enthusiasts. It is easy to use and salinity result can be known instantly. Size: 19 x 7.5 x 1.5 cm Accuracy up to 0.001, do sampling test at about 5cm below the surface. Package included 1 x Hydrometer.It is easy to use and salinity result can be known instantly. This device is a must have for all marine enthusiasts. Size: 19 x 7.5 x 1.5 cm.
