Instant Ocean Hydrometer
From
£16.98
To
£24.58
Unbreakable and easy to clean. Measuring range relative density: from 1,000 to 1,030. Measuring range of salinity from 0 to 40 ppt.
From
To
Unbreakable and easy to clean. Measuring range relative density: from 1,000 to 1,030. Measuring range of salinity from 0 to 40 ppt.