Rio Floating Glass Dual Hydrometer Thermometer

Rio Floating Glass Dual Hydrometer Thermometer


$4.59
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The Rio Floating Glass Dual Hydrometer and Thermometer provides accurate measurements of specific gravity, salinity, and temperature in marine aquariums.

  • Floating
  • Made of durable glass
  • Easy to install
  • Dual purpose
  • Perfect for aquariums

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