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Ensures proper gravity of aquarium water. Easy to use.
  • Ensures all water has the same salinity within aquarium
  • Green indicators are ideal range of water temperature and specific gravity for most salt water / marine aquariums.
  • Measure both Temperature and Specific Gravity of the water.
  • SIZE:19.2CM(7.5"). Glass Hydrometer; Measures Celsius and Fahrenheit
Dimensions8.1 x 0.8 x 0.8 inches

Glass saltwater Hydrometer Thermometer reef Soft Coral

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