Hydrometer for Salinity Testing
$11.50
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- Measure both Temperature and Specific Gravity of the water.
- The green indicators are for ideal range of water temperature and specific gravity for most salt water / marine aquariums.
- Directions: Place the hydrometer into water, and let it flow freely in the water; If water level is below the green indicator means more for fresh water is required; If water level is above the green indicator means more salt or saltwater water is required.
- 10" Length x .75" Width