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Water Testing

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  • Magnesium (Mg) Test Kit - Elos

    Magnesium (Mg) Test Kit - Elos

    ELOS

    $25.99
    Mg Magnesium Water Analysis for AquariumMagnesium is a major salt in natural seawater. Contrary to its significance this element was ignored for a long time. We know today that Magnesium creates a remarkable improvement in the growth of calcareous algae...
  • Reef Carbonate (500 mL) - Seachem

    Reef Carbonate (500 mL) - Seachem

    Seachem

    $7.59
    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...
  • MultiTest Copper (75 tests) Marine & Freshwater - Seachem

    MultiTest Copper (75 tests) Marine & Freshwater - Seachem

    Seachem

    $16.31
    This kit measures copper (all types) to less than 0.01 mg/L in marine or freshwater. Uses a highly sensitive catalysis based procedure. MultiTest® Copper performs over 75 tests and contains a reference sample for validation.
  • pH 4.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments

    pH 4.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments

    Hanna Instruments

    $29.00
    HI70004P is a premium quality pH 4.01 calibration buffer solution. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna’s line of calibration buffers have...
  • Calcium (Ca) Test Kit - Elos

    Calcium (Ca) Test Kit - Elos

    ELOS

    $27.99
    Lab Quality Calcium (Ca) Water Analysis for the Marine Hobbyist Calcium is the primary building block for corals, calms, calcareous algae and many other marine organisms that we grow in our aquarium. Accuracy and consistency is crucial to guarantee that...
  • Phosphate (PO4) Reefer Test Kit 50 Tests - NYOS Aquatics

    Phosphate (PO4) Reefer Test Kit 50 Tests - NYOS Aquatics

    NYOS

    $24.99
    PHOSPHATE 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...
  • pH/Alkalinity Marine Test Kit - Red Sea

    pH/Alkalinity Marine Test Kit - Red Sea

    Red Sea

    $23.99
    Easily and accurately test the pH and Alkalinity in your saltwater aquarium with the Red Sea pH/Alkalinity Test Kit. Maintaining proper alkalinity and pH in your reef tank is key to a successful reef tank.   Each kit includes: 100 pH...
  • pH 10.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments

    pH 10.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments

    Hanna Instruments

    $29.00
    HI70010P is a premium quality pH 10.01 calibration buffer solution. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna’s line of calibration buffers...
  • HI50021P Calibration Check Solution 20 mL (Single Pack) - Hanna Instruments

    HI50021P Calibration Check Solution 20 mL (Single Pack) - Hanna Instruments

    Hanna Instruments

    $1.56
    ONE Single 20 mL pack HI50021P is a premium quality calibration check solution used exclusively for the HI9813-6 portable pH/EC/TDS/Temp. meter. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring...
  • HI775 Marine Alkalinity Checker HC (Freshwater) - Hanna Instruments

    HI775 Marine Alkalinity Checker HC (Freshwater) - Hanna Instruments

    Hanna Instruments

    $63.95
    The Hanna Freshwater Alkalinity Checker bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color...
  • (1-10 ml) Adjustable Volume Pipettor Highly Accurate Pipette

    (1-10 ml) Adjustable Volume Pipettor Highly Accurate Pipette

    Generic

    $59.99
    Fully adjustable 1-10 ml pipette for accurate measuring during testing. Volume Range:1-10ml; Increment: 100μl. This 10ml Pipette's fit 10ml Four E's Scientific Tip's Digit display to allow for more accurate volume setting and easier volume...
  • Calcium Marine Test Kit - Red Sea

    Calcium Marine Test Kit - Red Sea

    Red Sea

    $26.99
    Calcium Test Kit Accurate measurement of Calcium in marine aquariums Ca Red Sea’s user-friendly Calcium titration test provides a quick and reliable measurement of calcium in your aquarium to an accuracy of either 15ppm or 30ppm according to...
  • Calcium (CA) Reefer Test Kit 50 Tests - NYOS Aquatics

    Calcium (CA) Reefer Test Kit 50 Tests - NYOS Aquatics

    NYOS

    $19.99
    CALCIUM 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 difficult due...
  • Strontium (Sr) Test Kit - Salifert

    Strontium (Sr) Test Kit - Salifert

    Salifert

    $33.18
    Trust your aquarium to Salifert. This test kit will measure ionically free strontium and complex, important for the accelerated growth of corals.  Salifert test kits are the epitome of accuracy and precision.  The sharp, contrasting color...
  • 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.)...
  • Marine Buffer (500 Gm) - Seachem

    Marine Buffer (500 Gm) - Seachem

    Seachem

    $12.75
    Raises and maintains pH at 8.3 in all saltwater aquariums Can be used safely in reef tanks Contains borate for added stability Contains magnesium to alleviate precipitation effects Marine Buffer® will safely raise marine pH to 8.3. It will...
  • PH Alert (6 Month) -  SeaChem

    PH Alert (6 Month) - SeaChem

    Seachem

    $8.10
    pH Alert Product Description pH Alert is a unique color device designed to be placed in the aquarium or filter and monitor pH continuously. A sensor changes color reversibly to alert you shifts to in pH levels between 5.8 and 8.2. No tests, no strips,...
  • 5-IN-1 Test Strips (100 CT) pH, N03, N02, KH, GH - API

    5-IN-1 Test Strips (100 CT) pH, N03, N02, KH, GH - API

    API

    $24.98
    API® 5-in-1 Aquarium Test Strips are the quick and easy way to test the 5 most important water parameters – pH, KH, GH, nitrate, and nitrite – in one easy step. Simply dip one test strip directly into the aquarium, and compare the colors...
  • Neutral Regulator (250g) - Seachem

    Neutral Regulator (250g) - Seachem

    Seachem

    $8.00
    Neutral Regulator™ adjusts pH to neutral (pH 7.0) from either a low or high pH and maintains it there. It softens water by precipitating calcium and magnesium while removing any chlorine, chloramine, or ammonia. The use of Neutral Regulator™...
  • pH or ORP/REDOX Probe Storage Solution - American Marine

    pH or ORP/REDOX Probe Storage Solution - American Marine

    American Marine

    $13.95
    This is the perfect fluid for the storage of any pH or ORP/REDOX Electrode. American Marine Probe Storage Fluid will keep the tip properly moist and extend the life of your probe during storage (60 mL).
  • PhosBond (1 L) - Seachem

    PhosBond (1 L) - Seachem

    Seachem

    $35.57
    PhosBond™ is a revolutionary new product that combines the phosphate removing capabilities of both aluminum oxide and granular ferric oxide into a singular material forming a synergistic effect. It rapidly removes phosphates and silicates from...
  • PhosBond (500 mL) - Seachem

    PhosBond (500 mL) - Seachem

    Seachem

    $20.93
    PhosBond™ is a revolutionary new product that combines the phosphate removing capabilities of both aluminum oxide and granular ferric oxide into a singular material forming a synergistic effect. It rapidly removes phosphates and silicates from...
  • MA9015 Storage Solution for pH/ORP Electrodes (230 ml) - Milwaukee

    MA9015 Storage Solution for pH/ORP Electrodes (230 ml) - Milwaukee

    Milwaukee Instruments

    $12.00
    pH/ORP electrode storage solution. To minimize clogging and ensure fast response time, always keep the glass bulb and the junction of your pH electrode moist. Store the electrode with a few drops of MA9015 storage solution in the protective cap.
  • (HI783-11) Marine Magnesium Certified Calibration Standard Kit

    (HI783-11) Marine Magnesium Certified Calibration Standard Kit

    Hanna Instruments

    $17.00
    The HI783-11 Marine Magnesium Certified Standard Kit is used to validate the performance of the HI783 Marine Magnesium Checker HC. The kit includes one sealed cuvette with a zero-magnesium value and one cuvette that is tinted to a standard magnesium...
  • On Sale 37%
    (DAMAGED BOX) HI775 Marine Alkalinity Checker HC (Freshwater) - Hanna Instruments
    On Sale 37%

    (DAMAGED BOX) HI775 Marine Alkalinity Checker HC (Freshwater) - Hanna Instruments

    Hanna Instruments

    $63.95
    $39.99
    The Hanna Freshwater Alkalinity Checker bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color...
  • 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...
  • Phosphate (PO4) Test Kit - Elos

    Phosphate (PO4) Test Kit - Elos

    ELOS

    $22.99
    Phosphate Water Analysis for Fresh Water or Marine AquariumsPhosphate build up in the tank appears to be a fairly common problem in fresh water and in marine aquariums. They are present in most tap water supplies, they are also introduced to aquarium...
  • 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.)...
  • HI70031P 1413 20 ml (10 Pack) - Hanna Instruments

    HI70031P 1413 20 ml (10 Pack) - Hanna Instruments

    Hanna Instruments

    $9.99
    Technical SpecificationsMfr #: HI70031PItem: Calibration Solution    Container: 20mLType: Electric ConductivityRange: 1413 uS/cm    Container: 20mLProduct DescriptionCalibration PacketConcentration 1413 Microsiemens Per...
  • pH600 pH Economical Pocket Tester - Milwaukee

    pH600 pH Economical Pocket Tester - Milwaukee

    Milwaukee Instruments

    $22.00
    Milwaukee's economical testers are easy-to-use and low cost instruments to measure quick and reliable pH, EC or TDS values. Measuring electrical conductivity is the best way of checking the amount of salt or dissolved solids (TDS) in water. Milwaukee...
  • 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

    $41.99
    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...
  • Marine Buffer (250 Gm) - Seachem

    Marine Buffer (250 Gm) - Seachem

    Seachem

    $7.47
    Raises and maintains pH at 8.3 in all saltwater aquariums Can be used safely in reef tanks Contains borate for added stability Contains magnesium to alleviate precipitation effects Marine Buffer® will safely raise marine pH to 8.3. It will...
  • Carbonate Hardness (Alk/KH) Reefer Test Kit 50 Tests - NYOS Aquatics

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

    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...
  • 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...
  • pH55 Waterproof Pocket PH/Temp Tester - Milwaukee

    pH55 Waterproof Pocket PH/Temp Tester - Milwaukee

    Milwaukee Instruments

    $64.00
    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...