Water testing

Water testing supplies for saltwater aquariums

Browse our wide array of testing supplies such as water test kits, refractometers, thermometers, probes and more.


  • Digital handheld...
    <h1>Digital handheld salinity meters for saltwater aquariums</h1> <p>Browse our range of digital handheld salinity meters for your saltwater tank.</p>
  • Hydrometers
    <h1>Hydrometers for saltwater aquariums</h1> <p>Browse our choice of affordable hydrometers for your saltwater tank.</p>
  • Thermometers
    <h1>Thermometers for saltwater aquariums</h1> <p>We own a wide range of quality thermometers for your saltwater tank.</p>
  • Refractometers
    <h1>Refractometers for saltwater tanks</h1> <p>Browse our wide range of affordable refractometers for your saltwater aquarium.</p>
  • Test kits
    <h1>Test kits for saltwater aquariums</h1> <p>We carry a wide range of affordable test kits for your saltwater tank.</p>

Active filters

    • New

    AutoAqua Smart Stir Magnetic Stirrer for Test Kits


    Brand: AutoAqua

    Model: Smart Stir

    Type: Magnetic stirrer for aquarium water test kits

    Charging : USB 5V

    Charging Time : 120 minutes

    Size :  7.05 cm x 7.05 cm x 5.95 cm  (2.77 x 2.77 x 2.34 inch)

    Holder Size : 2.7 cm in Diameter

    • New

    Scionix Digital Handheld Salinity Meter


    Brand : Scionix

    Type : Digital handheld salinity meter and temperature tester

    Model : SSM 1000

    • New

    ZKSJ Intelligent Digital Thermometer


    Brand : ZKSJ

    Type : Intelligent digital thermometer

    Alarm function (Min. / Max.): Alarm start if temperature goes up or down according to your settings.

    Battery: CR3032 (not included)

    Suitable for all aquariums (freshwater and saltwater)