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Nitrate (NO3)

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  • HI782 Marine Nitrate High Range Checker - Hanna Instruments

    HI782 Marine Nitrate High Range Checker - Hanna Instruments

    Hanna Instruments

    $67.99
    The HI782 Marine Nitrate High Range Colorimeter is specifically designed to quickly and accurately determine high levels of nitrate for saltwater aquariums and marine applications. With a digital read out, there is no more struggling to determine colors...
  • Nitrate (NO3) Test Kit - Salifert

    Nitrate (NO3) Test Kit - Salifert

    Salifert

    $17.37
    A too high nitrate concentration can result in unwanted algae-growth and these might irritate corals in their neighborhood. Nitrate as such also retards coral growth. The nitrate concentration in a proper functioning reef aquarium should...
  • HI781 Saltwater Nitrate Low Range Checker - Hanna Instruments

    HI781 Saltwater Nitrate Low Range Checker - Hanna Instruments

    Hanna Instruments

    $67.99
    Get accurate water testing results with the HI781 Marine Nitrate Low Range Colorimeter. With a digital read out, there is no more struggling to determine colors visually. This nitrate tester's compact design fits in your pocket or stores easily in...
  • MCP Test Kit Marine Master Care - Red Sea

    MCP Test Kit Marine Master Care - Red Sea

    Red Sea

    $74.99
    Easy-to-use tests for the accurate monitoring of all of the important parameters during the biological maturation of marine and reef aquariums NH3/NH4 | NO3 | NO2 | pH | KH Red Sea Marine Care Test Kit is Complete multi-test pack including all of...
  • Nitrate (NO3) Reefer Test Kit 40 Tests - NYOS Aquatics

    Nitrate (NO3) Reefer Test Kit 40 Tests - NYOS Aquatics

    NYOS

    $24.99
    NITRATE 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 is...
  • Nitrate Test Kit (90 Tests) - API

    Nitrate Test Kit (90 Tests) - API

    API

    $13.98
    The API Nitrate Test Kit will allow you to accurately and easily measure the nitrate level and provides steps to remove it. Kit includes 2 liquid droppers, instructions on how to test and correct water conditions, a glass test tube, and 2 colors charts...
  • Salifert Master Reef Testing Combo Kit - Salifert

    Salifert Master Reef Testing Combo Kit - Salifert

    Salifert

    $99.99
    Six Salifert Professional Test Kits Includes Calcium, Nitrate, Phosphate, pH, Alkalinity & Magnesium Includes all the Core parameters of any Saltwater Aquarium/Marine Reef Tank Salifert Nitrate Test Kit - 50 Tests, Salifert Calcium Test...
  • Spot Check Marine Water Test (Single Test) - SaltwaterAquarium.com

    Spot Check Marine Water Test (Single Test) - SaltwaterAquarium.com

    SaltwaterAquarium

    $24.99
    Spot Check - Get marine water testing for the 8 core elements of a saltwater fish tank from the comfort of home.  Use this mail in water test to spot check your marine aquarium and/or verify what your seeing on your home test kits. It is time to...
  • Hanna Master Reef Beginner Kit (772 Alk, 758 Calcium, 783 Magnesium, 782 HR Nitrate, 774 ULR Phosphate) Checker HC (Saltwater) - Hanna Instruments

    Hanna Master Reef Beginner Kit (772 Alk, 758 Calcium, 783 Magnesium, 782 HR Nitrate, 774 ULR Phosphate) Checker HC (Saltwater) - Hanna Instruments

    Hanna Instruments

    $339.95
    772 CheckerThe HI772 Checker®HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure alkalinity in degrees of calcium hardness, commonly abbreviated as dKH. Critical to marine environments, alkalinity not only provides...
  • Algae Control Pro Multi Test Kit Nitrate/Phosphate - NO3/PO4 - Red Sea

    Algae Control Pro Multi Test Kit Nitrate/Phosphate - NO3/PO4 - Red Sea

    Red Sea

    $74.99
    Red Sea’s Algae Control Pro Kit includes high accuracy colorimetric comparator tests for the exceptionally high accuracy measurement of nitrate and phosphate. The nitrate & phosphate tests are essential for the accurate dosing of Red...
  • On Sale 22%
    (DAMAGED BOX) HI781 Saltwater Nitrate Low Range Checker - Hanna Instruments
    On Sale 22%

    (DAMAGED BOX) HI781 Saltwater Nitrate Low Range Checker - Hanna Instruments

    Hanna Instruments

    $63.95
    $49.99
    Get accurate water testing results with the HI781 Marine Nitrate Low Range Colorimeter. With a digital read out, there is no more struggling to determine colors visually. This nitrate tester's compact design fits in your pocket or stores easily in...
  • Nitrate Pro Test Refill - Red Sea

    Nitrate Pro Test Refill - Red Sea

    Red Sea

    $30.99
    Reagent refill for Red Sea Nitrate Pro Test Kit. Enough reagent for 100 tests. Red Sea reagent refills make this line of test kits one of the most affordable high quality test kits available.  
  • Marine Test Kit Nitrite & Nitrate - Red Sea

    Marine Test Kit Nitrite & Nitrate - Red Sea

    Red Sea

    $26.99
    It’s all in the balance This combined test kit provides either 100 nitrite or 50 Nitrate and 50 Nitrite advanced colorimetric tests for marine aquariums. This kit is essential during the maturation of all marine and reef...
  • Nitrate (NO3) Test Kit - Elos

    Nitrate (NO3) Test Kit - Elos

    ELOS

    $25.99
    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.)...
  • Master Liquid Test Kit - Fritz Aquatics

    Master Liquid Test Kit - Fritz Aquatics

    Fritz Aquatics

    $36.74
    Perfect for starting a new system Includes 4 Essential Test Kits Accurate in both Fresh and Saltwater About Fritz Liquid Test Kits - Master Test Kit Fritz Aquatics Master Test Kit contains four essential test kit formulas in...
  • NO2-NO3 Nitrate/Nitrite Test Professional - Tropic Marin

    NO2-NO3 Nitrate/Nitrite Test Professional - Tropic Marin

    Tropic Marin

    $32.73
    Nitrate ions (NO3–) are formed from ammonium (NH4+) as the end product of the nitrification process. Nitrite (NO2–), which is highly toxic to freshwater species in particular, is produced in the first stage of the bacterial process. If the...
  • Hanna Master Reef PRO Kit (772 Alk, 758 Calcium, 783 Magnesium, 781 LR Nitrate, 782 HR Nitrate, 713 Phosphate, 774 ULR Phosphate) Checker HC (Saltwater) - Hanna Instruments

    Hanna Master Reef PRO Kit (772 Alk, 758 Calcium, 783 Magnesium, 781 LR Nitrate, 782 HR Nitrate, 713 Phosphate, 774 ULR Phosphate) Checker HC (Saltwater) - Hanna Instruments

    Hanna Instruments

    $475.93
    772 CheckerThe HI772 Checker®HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure alkalinity in degrees of calcium hardness, commonly abbreviated as dKH. Critical to marine environments, alkalinity not only provides...
  • Nitrate Liquid Test Kit (Up to 90 Tests) - Fritz Aquatics

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

    Fritz Aquatics

    $13.49
    Easy to Read Instructions Essential for a Healthy Tank Accurate in both Fresh and Saltwater About Fritz Liquid Test Kits - Nitrate Nitrate is considered the non-toxic end product of the ammonia cycle. While not directly a problem for fish...
  • FOWLR Deluxe Saltwater Test Set (HI98319, 781, Salifert PO4)

    FOWLR Deluxe Saltwater Test Set (HI98319, 781, Salifert PO4)

    Salifert

    $129.99
    Hanna Salinity/Temperature Checker - HI98319 Salinity/Temperature Meter - Each meter is supplied with: CR2032 battery (inside the meter), Storage / Protection sleeve, Instruction manual, Quality certificate, and 35.00 ppt calibration standard sachet (4...
  • Compact Lab - Essentials Test Kit (5 Parameters) - Tropic Marin

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

    Tropic Marin

    $63.64
    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...
  • Reef Tank Beginner Saltwater Test Set

    Reef Tank Beginner Saltwater Test Set

    Salifert

    $119.99
    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...
  • PO4 Phosphate Test Professional - Tropic Marin

    PO4 Phosphate Test Professional - Tropic Marin

    Tropic Marin

    $27.28
    Phosphates (PO43–) are important nutrients for all plants and are vital for the energy metabolism of every living cell. Phosphates are released into the aquarium water via food and the decomposition process of organic matter. However, an...
  • 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...
  • Hanna Algae Control PRO Kit (774 ULR Phosphate, 713 Phosphate, 781 LR Nitrate, 782 HR Nitrate) Checker HC (Saltwater) - Hanna Instruments

    Hanna Algae Control PRO Kit (774 ULR Phosphate, 713 Phosphate, 781 LR Nitrate, 782 HR Nitrate) Checker HC (Saltwater) - Hanna Instruments

    Hanna Instruments

    $271.96
    774 CheckerThe HI774 Ultra Low Range Phosphate Checker HC (Handheld Colorimeter) provides a simple, accurate and cost-effective way to measure phosphate in marine systems including reef tanks. Phosphate is an important parameter to measure in aquaculture...
  • On Sale 15%
    Nitrate Test Kit (40 Tests) - ASF
    On Sale 15%

    Nitrate Test Kit (40 Tests) - ASF

    ASF

    $20.29
    $17.25
    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...