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  • Potassium | Test Kit | Salifert

    Salifert
    Original price $16.99 - Original price $16.99
    Original price $16.99
    $16.99
    $16.99 - $16.99
    Current price $16.99
    Out of stock

    Salifert test kits have been trusted by discerning reefers for years for their ease of use and reliability.  Many reefers will report loss of colo...

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    Original price $16.99 - Original price $16.99
    Original price $16.99
    $16.99
    $16.99 - $16.99
    Current price $16.99
    Sold out
  • HI713-25 Phosphate LR Checker Reagent (25 Tests) | Hanna Instruments

    Hanna Instruments
    Original price $15.99 - Original price $15.99
    Original price
    $15.99
    $15.99 - $15.99
    Current price $15.99
    Low stock

    The HI713-25 are the replacement reagents for the HI713 Phosphate Low Range Checker® HC. These high-quality reagents are manufactured in our stat...

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    Original price $15.99 - Original price $15.99
    Original price
    $15.99
    $15.99 - $15.99
    Current price $15.99
  • Marine Salinity Tester | Hanna Instruments

    Hanna Instruments
    Original price $79.99 - Original price $79.99
    Original price
    $79.99
    $79.99 - $79.99
    Current price $79.99
    Low stock

    Designed to bring simplicity to salinity testing during the any process, the HI98319 Marine Salinity Tester measures conductivity (EC) to determin...

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    Original price $79.99 - Original price $79.99
    Original price
    $79.99
    $79.99 - $79.99
    Current price $79.99
  • Alkalinity Pro Test Kit (KH) - 75 Tests - Red Sea

    Red Sea
    Original price $38.99 - Original price $38.99
    Original price
    $38.99
    $38.99 - $38.99
    Current price $38.99
    Out of stock

    Red Sea’s KH/Alkalinity Pro Test Kit is an advanced titration test, measuring the level of buffers in your reef aquarium to an exceptionally high ...

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    Original price $38.99 - Original price $38.99
    Original price
    $38.99
    $38.99 - $38.99
    Current price $38.99
    Sold out
  • Marine Nitrate Low Range Checker® HC | PPM | Hanna Instruments

    Hanna Instruments
    Original price $64.99 - Original price $64.99
    Original price
    $64.99
    $64.99 - $64.99
    Current price $64.99
    Low stock

    The HI781 Marine Nitrate Low Range Colorimeter is designed to accurately determine low range nitrate levels in saltwater aquariums and marine appl...

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    Original price $64.99 - Original price $64.99
    Original price
    $64.99
    $64.99 - $64.99
    Current price $64.99
  • Marine Master Waterproof Wireless Multiparameter Photometer | Hanna Instruments

    Hanna Instruments
    Original price $449.99 - Original price $449.99
    Original price
    $449.99
    $449.99 - $449.99
    Current price $449.99
    Low stock

    The HI97115 is a compact and versatile Marine multiparameter photometer designed to accurately determine pH, Alkalinity, Ammonia, Calcium, Magnesi...

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    Original price $449.99 - Original price $449.99
    Original price
    $449.99
    $449.99 - $449.99
    Current price $449.99
  • 35 ppt Salinity Calibration Solution Sachet | Hanna Instruments

    Hanna Instruments
    Original price $2.99 - Original price $2.99
    Original price
    $2.99
    $2.99 - $2.99
    Current price $2.99
    In stock

    For HI98319 Salinity Tester use only. Not for use with refractometers. HI70024P is a premium quality 35.00 ppt salinity calibration solution that...

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    Original price $2.99 - Original price $2.99
    Original price
    $2.99
    $2.99 - $2.99
    Current price $2.99
  • Glass Cuvettes and Caps for Checker HC Colorimeters (2 pack)

    Hanna Instruments
    Original price $13.00 - Original price $13.00
    Original price
    $13.00
    $13.00 - $13.00
    Current price $13.00
    Low stock

    The HI731315 are spare glass cuvettes and plastic caps used with the HI7XX Checker® HC colorimeters. Each cuvette has a 10 ml level mark to measur...

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    Original price $13.00 - Original price $13.00
    Original price
    $13.00
    $13.00 - $13.00
    Current price $13.00
  • Algae Pads | Seachem

    SeaChem
    Original price $14.99 - Original price $14.99
    Original price
    $14.99
    $14.99 - $14.99
    Current price $14.99
    Low stock

    The Seachem Algae Pads are non-scratch algae pads for glass & acrylic. The melamine foam uses micro abrasive technology to easily remove alg...

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    Original price $14.99 - Original price $14.99
    Original price
    $14.99
    $14.99 - $14.99
    Current price $14.99
  • HI736-25 Phosphorus URL Checker Reagent (25 Tests) | Hanna Instruments

    Hanna Instruments
    Original price $15.99 - Original price $15.99
    Original price
    $15.99
    $15.99 - $15.99
    Current price $15.99
    Out of stock

    The HI736-25 are the replacement reagents for the HI736 Phosphorus Ultra Low Range Checker® HC. These high-quality reagents are manufactured in our...

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    Original price $15.99 - Original price $15.99
    Original price
    $15.99
    $15.99 - $15.99
    Current price $15.99
    Sold out
  • Phosphate Pro Test Kit (PO4) - 100 Tests - Red Sea

    Red Sea
    Original price $45.99 - Original price $45.99
    Original price
    $45.99
    $45.99 - $45.99
    Current price $45.99
    Low stock

    Red Sea’s Phosphate Pro Test Kit is an advanced colorimetric test with comparator, measuring the level of phosphate in your reef aquarium to an exc...

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    Original price $45.99 - Original price $45.99
    Original price
    $45.99
    $45.99 - $45.99
    Current price $45.99
  • Nitrate Pro Test Kit (NO3) - 100 Tests - Red Sea

    Red Sea
    Original price $50.99 - Original price $50.99
    Original price
    $50.99
    $50.99 - $50.99
    Current price $50.99
    Low stock

    Red Sea’s Nitrate Pro Test Kit is an advanced colorimetric test with comparator, measuring the level of nitrate in your reef aquarium to an except...

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    Original price $50.99 - Original price $50.99
    Original price
    $50.99
    $50.99 - $50.99
    Current price $50.99
  • DiST®1 Waterproof TDS Tester (0-2000 ppm)

    Hanna Instruments
    Original price $68.00 - Original price $68.00
    Original price
    $68.00
    $68.00 - $68.00
    Current price $68.00
    Low stock

    The Hanna Instruments HI98301 DiST® 1 is a low-range total dissolved solids tester than can measure up to 2000 ppm (mg/L). The DiST® 1 is a rugged...

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    Original price $68.00 - Original price $68.00
    Original price
    $68.00
    $68.00 - $68.00
    Current price $68.00
  • Copper Test Kit | Seachem

    Salifert
    Original price $16.99 - Original price $16.99
    Original price $16.99
    $16.99
    $16.99 - $16.99
    Current price $16.99
    Low stock

    Copper kits are usually of two types: compleximetric or titration based. Some kits measure only ionic copper and others measure both ionic and che...

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    Original price $16.99 - Original price $16.99
    Original price $16.99
    $16.99
    $16.99 - $16.99
    Current price $16.99
  • Cupramine | Copper Parasite Treatment 250ml | Seachem

    SeaChem
    Original price $17.99 - Original price $17.99
    Original price
    $17.99
    $17.99 - $17.99
    Current price $17.99
    Low stock

    Cupramine™ effectively eradicates Oodinium, Cryptocaryon, Amyloodinium, Ichthyophthirius, and other ectoparasites of both freshwater and marine f...

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    Original price $17.99 - Original price $17.99
    Original price
    $17.99
    $17.99 - $17.99
    Current price $17.99