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Red Sea Hydrometer with integrated digital thermometer
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$11.99
$10.79

Item #: RED-12010
Shipping: Eligible for Free Shipping Program
Weight: 0.50LBS
Availability: In Stock

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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.

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