Marine Aquarium Checkers

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5 Item(s)

  1. Marine Alkalinity (dKH) Checker® HC front view - HI772
    $49.95

    In Stock, Expedited Shipping Available

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    Get accurate results for your saltwater aquarium with our simple handheld colorimeter.

    Our alkalinity colorimeter bridges the gap between alkalinity test kits and advanced instrumentation. Standard test kits have limited accuracy since they rely upon the human eye to match colors. Our handheld colorimeter eliminates the hassle of matching to a color chart by providing a direct saltwater alkalinity result in dKH units.

    Stock up on reagents! This checker includes a starter kit for 25 tests.

  2. Marine Alkalinity (CaCO3) Checker® HC front view - HI755
    $49.95

    In Stock, Expedited Shipping Available

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    Improve the accuracy of your results for your saltwater aquarium with our simple handheld colorimeter.

    Our alkalinity colorimeter closes the distance between alkalinity test kits and advanced instrumentation. Standard test kits are limited with accuracy since they depend upon the human eye to discern colors. Our handheld colorimeter eliminates the struggle of matching to a color chart by providing a direct saltwater alkalinity result in ppm CaCO3.

    Stock up on reagents! This checker includes a starter kit for 25 tests.

  3. Marine Calcium Checker® HC - front view  - HI758U
    $49.95

    In Stock, Expedited Shipping Available

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    Always get accurate results for your saltwater aquarium with our handheld colorimeter.

    Our saltwater calcium colorimeter fills the gap between calcium test kits and advanced instrumentation. Standard test kits have limited accuracy as they depend on the human eye to determine colors. Our handheld colorimeter eliminates the trouble of matching to a color chart by providing a direct saltwater calcium result in ppm CaCO3.

    Stock up on reagents! This checker includes a starter kit for 25 tests.

  4. Marine Nitrite Ultra Low Range Checker® HC front view - HI764
    $49.95

    In Stock, Expedited Shipping Available

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    Stop struggling to get accurate results for your saltwater aquarium with our simple handheld colorimeter. 

    Our nitrite colorimeter fills the gap between nitrite test kits and advanced instrumentation. Standard test kits have limited accuracy since they depend on the human eye to determine colors. Our handheld colorimeter eliminates the trouble of matching to a color chart by providing a direct saltwater nitrite result.

    Stock up on reagents! This checker includes a starter kit for 6 tests.

  5. Marine Phosphorus Ultra Low Range Checker® HC - front view - HI736
    $49.95

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    Get accurate results for your saltwater aquarium with our simple handheld colorimeter.

    Our ultra low range phosphorus colorimeter brings you more precise technology from your typical chemical test kit. Standard test kits have limited accuracy since they rely on the user to match colors. Our handheld colorimeter makes your life easier by eliminating color matching and providing you a direct saltwater phosphorus result.

    Stock up on reagents! This checker includes a starter kit for 6 tests.

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5 Item(s)