Read About Choosing Aquarium Hydrometers

Accurately monitor water temperature, salt levels and gravity with your own aquarium hydrometer.

Things to Consider:

  • Water Temperature -- It is important to check and monitor the water termperature in your tank, especially in wintrr and summer months.

  • Added water -- Hydrometers can be used to check water that will be added to the aquarium to ensure it is at the appropriate levels.