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Aquarium Test Equipment

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  • Ammonia Alert Seachem

    SeaChem
    Original price $9.99 - Original price $9.99
    Original price
    $9.99
    $9.99 - $9.99
    Current price $9.99
    Low stock

    Ammonia Alert® is an innovative color device for continuously detecting and monitoring toxic free ammonia. A sensor changes reversibly from yello...

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    Original price $9.99 - Original price $9.99
    Original price
    $9.99
    $9.99 - $9.99
    Current price $9.99
  • Nitrate | NO3 Test Kit | Salifert

    Salifert
    Original price $17.99 - Original price $17.99
    Original price $17.99
    $17.99
    $17.99 - $17.99
    Current price $17.99
    Out of stock

    A too high nitrate concentration can result in unwanted algae-growth and these might irritate corals in their neighborhood. Nitrate as such also re...

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    Original price $17.99 - Original price $17.99
    Original price $17.99
    $17.99
    $17.99 - $17.99
    Current price $17.99
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  • Aquarium Elements Saltwater Refractometer

    Aquarium Elements
    Original price $35.99 - Original price $35.99
    Original price $35.99
    $35.99
    $35.99 - $35.99
    Current price $35.99
    Low stock

    This portable refractometer is used for determining the salinity of various solutions. It has a rubber grip to prevent your body temperature from ...

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    Original price $35.99 - Original price $35.99
    Original price $35.99
    $35.99
    $35.99 - $35.99
    Current price $35.99
  • Digital Aquarium Thermometer

    Aquarium elements
    Original price $9.99 - Original price $9.99
    Original price
    $9.99
    $9.99 - $9.99
    Current price $9.99
    In stock

    The Coralife Digital Thermometer features an easy to read digital display with temperature in either Fahrenheit or Celsius depending on your choic...

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    Original price $9.99 - Original price $9.99
    Original price
    $9.99
    $9.99 - $9.99
    Current price $9.99
  • Carbonate Hardness & Alkalinity (KH/ ALK) Test Kit | Salifert

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

    Calcium alone cannot form the skeletal material of corals and allow calcareous algae to grow. Some other substances are needed as well. A few othe...

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    Original price $16.99 - Original price $16.99
    Original price
    $16.99
    $16.99 - $16.99
    Current price $16.99
  • Magnesium | Test Kit | Salifert

    Salifert
    Original price $19.99 - Original price $19.99
    Original price $19.99
    $19.99
    $19.99 - $19.99
    Current price $19.99
    Low stock

    Magnesium is present in NSW in a fairly high concentration (1300 - 1400 mg/L). Magnesium is an essential part of chlorophyll, which is necessary fo...

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    Original price $19.99 - Original price $19.99
    Original price $19.99
    $19.99
    $19.99 - $19.99
    Current price $19.99
  • ICP Mass Spec Test | 50 Elements | ICP-Analysis

    ICP-Analysis
    Original price $39.99 - Original price $39.99
    Original price
    $39.99
    $39.99 - $39.99
    Current price $39.99
    In stock

    The Most Accurate Water Test Offered to the Aquarium Industry  The ICP-Mass Spec Water Analysis will test over 50 elements all the way down to par...

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    Original price $39.99 - Original price $39.99
    Original price
    $39.99
    $39.99 - $39.99
    Current price $39.99
  • Phosphate (PO4) | Test Kit | Salifert

    Salifert
    Original price $17.99 - Original price $17.99
    Original price $17.99
    $18.99
    $18.99 - $18.99
    Current price $18.99
    Out of stock

    Phosphate also blocks or retards the growth of corals and calcareous algae. One of the scientific studies shows that a phosphate concentration high...

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    Original price $17.99 - Original price $17.99
    Original price $17.99
    $18.99
    $18.99 - $18.99
    Current price $18.99
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  • Smart Temp Aquarium Thermometer | JW Aquatics

    Coralife Digital
    Original price $6.99 - Original price $6.99
    Original price
    $6.99
    $6.99 - $6.99
    Current price $6.99
    Out of stock

    NEW SmartTemp Thermometer. This unique design combines a thermometer with a magnet. The Thermometer goes on the inside of the tank and the magnet ...

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    Original price $6.99 - Original price $6.99
    Original price
    $6.99
    $6.99 - $6.99
    Current price $6.99
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  • Ammonia (NH3) Test Kit | Salifert

    Salifert
    Original price $13.99 - Original price $13.99
    Original price $13.99
    $13.99
    $13.99 - $13.99
    Current price $13.99
    Low stock

    For Fresh and Saltwater Ammonia and ammonium are substances which should be converted rapidly into nitrite followed by nitrate and nitrogen gas.If ...

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    Original price $13.99 - Original price $13.99
    Original price $13.99
    $13.99
    $13.99 - $13.99
    Current price $13.99
  • Calcium | 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 are the epitome of accuracy and precision. Their wide range of available tests have all been designed to detect the smallest tra...

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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
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  • Copper Test Kit | Salifert

    Salifert
    Original price $15.99 - Original price $15.99
    Original price $15.99
    $15.99
    $15.99 - $15.99
    Current price $15.99
    Low stock

    This test can be used to measure any ionic copper in your source water or to monitor copper levels during parasite treatments. The test kit includ...

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    Original price $15.99 - Original price $15.99
    Original price $15.99
    $15.99
    $15.99 - $15.99
    Current price $15.99
  • Checker® pH Tester with 0.1 pH Resolution | Hanna Instruments

    Hanna Instruments
    Original price $32.99 - Original price $32.99
    Original price
    $32.99
    $32.99 - $32.99
    Current price $32.99
    Out of stock

      Designed to bring simplicity to pH testing during the any process, the HI98103 Checker® pH Tester is designed for direct measurement. A repla...

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    Original price $32.99 - Original price $32.99
    Original price
    $32.99
    $32.99 - $32.99
    Current price $32.99
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  • Hanna ULR Phosphate Colorimeter Checker - HI774 | PPM | Hanna Instruments

    Hanna Instruments
    Original price $59.99 - Original price $59.99
    Original price
    $59.99
    $59.99 - $59.99
    Current price $59.99
    Out of stock

    The HI774 Ultra Low Range Phosphate Checker® HC (Handheld Colorimeter) is a cost-effective way to measure phosphate in marine systems, including r...

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    Original price $59.99 - Original price $59.99
    Original price
    $59.99
    $59.99 - $59.99
    Current price $59.99
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  • Hanna Saltwater Alkalinity (PPM) Checker | Hanna Instruments

    Hanna Instruments
    Original price $59.99 - Original price $59.99
    Original price
    $59.99
    $59.99 - $59.99
    Current price $59.99
    Out of stock

    The Hanna Marine Alkalinity (ppm) Checker® bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits...

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    Original price $59.99 - Original price $59.99
    Original price
    $59.99
    $59.99 - $59.99
    Current price $59.99
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  • Smart Stir | AutoAqua

    AutoAqua
    Original price $32.99 - Original price $32.99
    Original price
    $32.99
    $32.99 - $32.99
    Current price $32.99
    Low stock

    Smart Stir is a small but clever labor-saving gadget to help you mix water test reagent with ease. Its strong motor and tiny magnetic stir...

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    Original price $32.99 - Original price $32.99
    Original price
    $32.99
    $32.99 - $32.99
    Current price $32.99
  • HI755-26 | HI772-26 | Alkalinity Checker Reagent (25 Tests) | Hanna Instruments

    Hanna Instruments
    Original price $9.99 - Original price $9.99
    Original price
    $9.99
    $9.99 - $9.99
    Current price $9.99
    Low stock

    This reagent works with both the 755 & 772 Hanna checker.   Extreme Accuracy. Easy to Test in 4 Steps - Zero the Checker, Add a regent to you...

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    Original price $9.99 - Original price $9.99
    Original price
    $9.99
    $9.99 - $9.99
    Current price $9.99
  • PH | Test Kit | Salifert

    Salifert
    Original price $17.99 - Original price $17.99
    Original price $17.99
    $17.99
    $17.99 - $17.99
    Current price $17.99
    Out of stock

    Salifert pH Profi-Test The pH value in a marine tank has a major impact on the growth of corals and calcareous algae and on many biological proce...

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    Original price $17.99 - Original price $17.99
    Original price $17.99
    $17.99
    $17.99 - $17.99
    Current price $17.99
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  • Accuprobe Hydrometer | Hikari

    Hikari
    Original price $12.99 - Original price $12.99
    Original price
    $12.99
    $12.99 - $12.99
    Current price $12.99
    Low stock

    Accuprobe Hydrometer | Hikari  Aquarium: Thermometer & Hydrometer Wide Range Specific Gravity Meter For Marine Aquarium Use. Dry Hands d...

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    Original price $12.99 - Original price $12.99
    Original price
    $12.99
    $12.99 - $12.99
    Current price $12.99
  • Copper Test Kit | API

    Salifert
    Original price $12.99 - Original price $12.99
    Original price $12.99
    $12.99
    $12.99 - $12.99
    Current price $12.99
    Low stock

      Tests copper levels in tap, fresh and saltwater aquariums. Correct copper levels are essential for effective parasitic treatment. Frequent tes...

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    Original price $12.99 - Original price $12.99
    Original price $12.99
    $12.99
    $12.99 - $12.99
    Current price $12.99
  • Instant Ocean Hydrometer

    Instant Ocean
    Original price $12.99 - Original price $12.99
    Original price
    $12.99
    $12.99 - $12.99
    Current price $12.99
    Out of stock

    Instant Ocean Hydrometer Accurate, reliable water test equipment is absolutely vital to creating and sustaining a healthy, successful marine enviro...

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    Original price $12.99 - Original price $12.99
    Original price
    $12.99
    $12.99 - $12.99
    Current price $12.99
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  • 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
  • Magnesium Pro Test Kit (Mg) - 100 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
    Low stock

    Red Sea’s Magnesium Pro Test Kit is an advanced titration test, measuring the level of magnesium in your reef aquarium to an exceptionally high acc...

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    Original price $38.99 - Original price $38.99
    Original price
    $38.99
    $38.99 - $38.99
    Current price $38.99