hejhncii Aquarium Glass Hydrometer Fish for Tank Water Temperature Thermometer for Saltwater Marine Aquariums Range 1.000-1.060 Aquarium Heater Light Thermometers Gravel Sand Decorations
$4.99 ($4.99 / count)
Features
Measure both Temperature and Specific of the water.
Easy to use.
For Water / Marine Aquariums.
Instruction:Place the hydrometer into water, and let it flow freely in the water; If water level below the green means more for water is required; If water level the green means more water is required.
Green indicators are for ideal range of water temperature and specific for most water / marine aquariums.
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