Red Sea Hydrometer with Thermometer

Continuous or periodic reading of specific gravity for saltwater aquariums

• Accurate measurement of specific gravity
• Easy to read digital thermometer User friendly patented design
• The most basic water quality parameter in a saltwater aquarium is the Salinity.

The unique, patented design of Red Sea’s hydrometer enables the hydrometer to be installed permanently inside the aquarium or sump giving a continuous “real-time” reading of S.G. in addition to being used as a regular hydrometer for periodic S.G. measurements.

The Hydrometer includes a digital thermometer to ensure that the water being tested is at the correct temperature.