Hydrometers

6 Item(s)

  • Instant Ocean Seatest Hydrometer
    Accurate, reliable water test equipment is absolutely vital to creating and sustaining a healthy, successful marine environment. Easy to read and simple to operate.

    Regular Price: USD 9.99

    Sale Price USD 7.99

    Regular Price: USD 9.99

    Sale Price USD 7.99

  • Coralife Deep Six Hydrometer
    The Deep Six Hydrometer is calibrated and tested for accuracy using advanced testing procedures. With its durable construction and easy-to-read scales, the deep six is guaranteed to provide years of reliable performance.

    Regular Price: USD 7.49

    Sale Price USD 6.49

    Regular Price: USD 7.49

    Sale Price USD 6.49

  • Coralife BioCube Mini Hydrometer
    The Coralife Biocube Mini Hydrometer can remain submerged inside your aquarium, so you can check your salt level at a glance. Compact design allows for discreet placement in your aquarium. Ideal for saltwater aquariums and sump applications.

    Regular Price: USD 12.99

    Sale Price USD 9.99

    Regular Price: USD 12.99

    Sale Price USD 9.99

  • Kent Marine Hydrometer
    The Kent Marine Hydrometer makes measuring aquarium water salinity very simple. Its precision and compact design provides accurate readings that aquarists of any level can understand. Accuracy to 0.001 specific gravity units (Certified calibration).

    Regular Price: USD 7.99

    Sale Price USD 6.99

    Regular Price: USD 7.99

    Sale Price USD 6.99

  • Hagen Living Sea Hydrometer with Thermometer - 8"
    Proper salt content is vital to the health and well being of captive marine species. Use the Hagen aquarium hydrometer to determine actual specific gravity of marine aquariums on an ongoing basis.

    Regular Price: USD 6.49

    Sale Price USD 5.49

    Regular Price: USD 6.49

    Sale Price USD 5.49

  • Hagen Living Sea Hydrometer with Thermometer - 12"
    Proper salt content is vital to the health and well being of captive marine species. Use the Hagen aquarium hydrometer to determine actual specific gravity of marine aquariums on an ongoing basis.

    Regular Price: USD 11.49

    Sale Price USD 8.99

    Regular Price: USD 11.49

    Sale Price USD 8.99