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
$ 2.11
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About this item Green indicators are for ideal range of water temperature and specific for most water / marine aquariums. Measure both Temperature and Specific of the water. 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. For Water / Marine Aquariums. Easy to use.
