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Water Testing

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  • Nitrite (NO2) Test Kit - Elos

    Nitrite (NO2) Test Kit - Elos

    ELOS

    $21.99
    Biological filtration is a method that uses naturally occurring nitrifying bacteria to detoxify nitrogenous wastes. One type of bacteria (Nitrosomonas spp.) converts ammonia to nitrite while another naturally occurring bacteria (Nitrobacter spp.)...
  • pH55 Waterproof Pocket PH/Temperature Tester - Milwaukee

    pH55 Waterproof Pocket PH/Temperature Tester - Milwaukee

    Milwaukee Instruments

    $77.90
    IP65 Waterproof pH tester with Large dual-level LCD that displays pH and temperature (°C or °F). The large display shows readings in an extended range from -2.0 to 16.0 pH and simultaneously shows temperature from -5.0 to 105.0°C or 23.0 to...
  • Calcium Liquid Test Kit - Fritz Aquatics

    Calcium Liquid Test Kit - Fritz Aquatics

    Fritz Aquatics

    $12.74
    Accurate in both Fresh and Saltwater Easy to Read Instructions Essential to Monitoring Proper Ionic Balance About Fritz Liquid Test Kits - Calcium Calcium (Ca2+) is vital to many biological functions. In saltwater aquariums, calcium should...
  • HI70031P 1413 20 ml (10 Pack) - Hanna Instruments

    HI70031P 1413 20 ml (10 Pack) - Hanna Instruments

    Hanna Instruments

    $15.99
    Technical SpecificationsMfr #: HI70031PItem: Calibration Solution    Container: 20mLType: Electric ConductivityRange: 1413 uS/cm    Container: 20mLProduct DescriptionCalibration PacketConcentration 1413 Microsiemens Per...
  • Copper (Cu) Test Kit - Elos

    Copper (Cu) Test Kit - Elos

    ELOS

    $21.99
    The ELOS Copper Test Kit combines ease-of-use, with laboratory-grade precision. It can be used to detect copper or to measure residual copper levels before and after using copper cures in fish-only aquariums. Also, great for testing tap or source water...
  • KH/Alkalinity Pro-High Accuracy Titration Test kit (75 tests) - Red Sea

    KH/Alkalinity Pro-High Accuracy Titration Test kit (75 tests) - Red Sea

    Red Sea

    $44.99
    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 accuracy of 0.05 meq/l (0.14 dKH).Red Sea’s Alkalinity Pro test kit enables the accurate dosing...
  • ICP Water Analysis PLUS - Tropic Marin

    ICP Water Analysis PLUS - Tropic Marin

    Tropic Marin

    $55.59
    Professional ICP seawater laboratory analysis.  The chemical elements of the seawater sample are analyzed using ICP-OES. In addition, other measurement methods are used to analyze other important parameters and nutrient concentrations. A sample...
  • GH Liquid Test Kit - Fritz Aquatics

    GH Liquid Test Kit - Fritz Aquatics

    Fritz Aquatics

    $11.24
    East to Read Instructions Essential for a Healthy Tank Accurate in Freshwater About Fritz Liquid Test Kits - GH General hardness (GH) is commonly overlooked in many aquariums, but this parameter plays a very important role in your...
  • Carbonate Hardness (Alk/KH) Reefer Test Kit 50 Tests - NYOS

    Carbonate Hardness (Alk/KH) Reefer Test Kit 50 Tests - NYOS

    NYOS

    $14.99
    CARBONATE HARDNESS REEFER NYOS® REEFER test kits - taking measurements at the laboratory level at an attractive price Water properties as close to nature are the key for every aquarium's success. However, monitoring relevant parameters in seawater...
  • Copper Liquid Test Kit (Up to 90 Tests) - Fritz Aquatics

    Copper Liquid Test Kit (Up to 90 Tests) - Fritz Aquatics

    Fritz Aquatics

    $11.99
    Accurate in both Fresh and Saltwater Essential when Medicating with Copper-based Treatments Measures Free and Total Copper About Fritz Liquid Test Kits - Copper Copper is commonly used in aquariums to treat external parasitic infections,...
  • Compact Lab - Essentials Test Kit (5 Parameters) - Tropic Marin

    Compact Lab - Essentials Test Kit (5 Parameters) - Tropic Marin

    Tropic Marin

    $69.99
    The test set Tropic Marin® Compact Lab includes all the important tests for prompt and precise determination of water values. The pH value, alkalinity, phosphate level, nitrite and nitrate content as well as the ammonia concentration of the...
  • Nitrite Liquid Test Kit (Up to 180 Tests) - Fritz Aquatics

    Nitrite Liquid Test Kit (Up to 180 Tests) - Fritz Aquatics

    Fritz Aquatics

    $11.99
    Easy to Read Instructions Essential for New Tank Cycling Works in both Fresh and Saltwater About Fritz Liquid Test Kits - Nitrite Nitrite is produced continually during the ammonia cycle by nitrifying bacteria in the biological filter...
  • Hygger Transparency Digital Aquarium Thermometer - HG073-L - Hygger

    Hygger Transparency Digital Aquarium Thermometer - HG073-L - Hygger

    Hygger

    $15.99
    The external aquarium thermometer adopts an advanced smart microchip and an aluminum alloy sensor, which can accurately measure the temperature of different types of water such as freshwater and saltwater. It is suitable for monitoring the living...
  • pH Electrode Storage Solution - HM Digital

    pH Electrode Storage Solution - HM Digital

    HM Digital

    $9.99
    PH storage solution for HM Digital’s PH-200 / PH-80 as well as other brands of pH meters. Always make sure your sensor is kept in an electrode storage solution. If dry, refill the pH meter cap with the PH-STOR storage solution. The sponge should be...
  • HI-7030M Conductivity Solution, (230 mL) bottle - Hanna Instruments

    HI-7030M Conductivity Solution, (230 mL) bottle - Hanna Instruments

    $11.99
    Maximum accuracy is high on the agenda here at Hanna. Browse our Conductivity Calibration Solutions specifically produced for Conductivity meters and electrodes. Hanna conductivity electrodes can be calibrated in just a few minutes, wherever you are...
  • Wide Range pH Liquid Test Kit (Up to 250 Tests) - Fritz Aquatics

    Wide Range pH Liquid Test Kit (Up to 250 Tests) - Fritz Aquatics

    Fritz Aquatics

    $8.62
    Convienent Wide Range - 5.0 to 9.0 Works in Fresh and Saltwater Easy to Read Results About Fritz Liquid Test Kits - Wide Range pH Testing the pH of your aquarium water regularly to make proper adjustments is crucial to keep your...
  • FOWLR Beginner Saltwater Test Set (Refractometer, Salifert NO3, PO4)

    FOWLR Beginner Saltwater Test Set (Refractometer, Salifert NO3, PO4)

    Salifert

    $65.99
    Generic Refractometer - It is designed for testing the concentration of salt water and brine and used for quality control in research and clinical laboratories and marine industry. Its scale provides a direct reading of the specific gravity and...
  • Waterproof pH/Temp Meter - HM Digital

    Waterproof pH/Temp Meter - HM Digital

    HM Digital

    $79.95
    Ideal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee,...
  • ICP Water Analysis - Tropic Marin

    ICP Water Analysis - Tropic Marin

    Tropic Marin

    $35.18
    Professional ICP seawater laboratory analysis - ICP-OES is used to analyze over 35 chemical elements in the seawater sample.After the measurement, the user can call up the detailed analysis report on the website lab.tropic-marin...
  • Hygger Transparency Digital Aquarium Thermometer - HG073-S - Hygger

    Hygger Transparency Digital Aquarium Thermometer - HG073-S - Hygger

    Hygger

    $14.99
    The external aquarium thermometer adopts an advanced smart microchip and an aluminum alloy sensor, which can accurately measure the temperature of different types of water such as freshwater and saltwater. It is suitable for monitoring the living...
  • Reef Carbonate (250 mL) - Seachem

    Reef Carbonate (250 mL) - Seachem

    Seachem

    $4.75
    Reef Carbonate™ is a concentrated (4,000 meq/L) optimized blend of carbonate and bicarbonate salts designed to restore and maintain alkalinity in the reef aquarium. Calcium and carbonates are essential to all coral growth. If either becomes...
  • Magnetic Aquarium Test Kit Mixer - IceCap

    Magnetic Aquarium Test Kit Mixer - IceCap

    Icecap

    $32.99
    Effortless Water Testing The IceCap Magnetic Aquarium Test Kit Mixer is a simple solution for efficiently mixing water test reagents. This gadget saves time and effort by quickly and effortlessly combining test kits. Just place the magnetic stirring bar...
  • Refractometer Calibration Standard (250 ml) - Brightwell

    Refractometer Calibration Standard (250 ml) - Brightwell

    Brightwell Aquatics

    $12.71
    Refractometer & Hydrometer Calibration Standard 1.0264 Specific Gravity 1.3394 Refractive Index 35 ppt Salinity 53 uS/cm at 25 deg c Overview Brightwell Aquatics Aquarium Reagents Refractometer & Hydrometer Calibration Standard is...
  • Alkalinity KH Test Kit (100 Tests) - ASF

    Alkalinity KH Test Kit (100 Tests) - ASF

    ASF

    $18.89
    This test kit is designed for both freshwater and saltwater aquariums, ponds, and turtle enclosures. The kit provides fast, easy, and accurate measurements. Each kit includes a micro-syringe to ensure accurate testing. Multiple tests are included in...
  • HI73128 Electrode Removal Tool - Hanna Instruments

    HI73128 Electrode Removal Tool - Hanna Instruments

    Hanna Instruments

    $29.99
    The HI73128 replacement tool is utilized for electrode removal on select Hanna testers. With a simple twist of the removal tool, the tester electrode can safely and easily be removed and replaced with a new one. pH and conductivity (EC) electrodes...
  • pH Test Kit (100 Tests) - ASF

    pH Test Kit (100 Tests) - ASF

    ASF

    $12.39
    This test kit is designed for both freshwater and saltwater aquariums, ponds, and turtle enclosures. The kit provides fast, easy, and accurate measurements. These kits include an easy to read color chart so that the results are clear...
  • ICP Water Analysis (Set of 3) - Tropic Marin

    ICP Water Analysis (Set of 3) - Tropic Marin

    Tropic Marin

    $90.45
    Professional ICP seawater laboratory analysis - ICP-OES is used to analyze over 35 chemical elements in the seawater sample.After the measurement, the user can call up the detailed analysis report on the website lab.tropic-marin...
  • Magnesium Test Kit (40 Tests) - ASF

    Magnesium Test Kit (40 Tests) - ASF

    ASF

    $24.19
    This test kit is designed for both freshwater and saltwater aquariums, ponds, and turtle enclosures. The kit provides fast, easy, and accurate measurements. Each kit includes a micro-syringe to ensure accurate testing. Multiple tests are included in...
  • Calcium Test Kit (40 Tests) - ASF

    Calcium Test Kit (40 Tests) - ASF

    ASF

    $21.69
    This test kit is designed for both freshwater and saltwater aquariums, ponds, and turtle enclosures. The kit provides fast, easy, and accurate measurements. Each kit includes a micro-syringe to ensure accurate testing. Multiple tests are included in...
  • Nitrite Test Kit (100 Tests) - ASF

    Nitrite Test Kit (100 Tests) - ASF

    ASF

    $14.09
    Nitrite test kit for both freshwater and marine aquariums. About 100 tests, measures up to 1 mg/L Easy to use, high quality, European-made.
  • Phosphate Test Kit (40 Tests) - ASF

    Phosphate Test Kit (40 Tests) - ASF

    ASF

    $23.99
    This test kit is designed for both freshwater and saltwater aquariums, ponds, and turtle enclosures. The kit provides fast, easy, and accurate measurements. These kits include an easy to read color chart so that the results are clear. Multiple tests...
  • Nitrate Test Kit (40 Tests) - ASF

    Nitrate Test Kit (40 Tests) - ASF

    ASF

    $20.29
    This test kit is designed for both freshwater and saltwater aquariums, ponds, and turtle enclosures. The kit provides fast, easy, and accurate measurements. These kits include an easy to read color chart so that the results are clear...
  • Hardness (GH) Test Kit (40 Tests) - ASF

    Hardness (GH) Test Kit (40 Tests) - ASF

    ASF

    $19.69
    This test kit is designed for both freshwater and saltwater aquariums, ponds, and turtle enclosures. The kit provides fast, easy, and accurate measurements. Each kit includes a micro-syringe to ensure accurate testing. Multiple tests are included in...