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Water Testing

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  • On Sale 15%
    PINPOINT pH Monitor Complete Package - American Marine
    On Sale 15%

    PINPOINT pH Monitor Complete Package - American Marine

    American Marine

    $109.99
    $93.49
    Package includes additional 9-volt to AC Adapter Kit, 3x Additional 7.0 Calibration Fluids and 3x Additional 10.0 Calibration Fluid. The PINPOINT® pH Monitoris in use by thousands of customers worldwide. This affordable unit remains the only...
  • (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...
  • 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...
  • 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...
  • On Sale 15%
    Calcium (CA) Reefer Test Kit 50 Tests - NYOS Aquatics
    On Sale 15%

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

    NYOS

    $19.99
    $16.99
    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...
  • 6 Pack Triton ICP-OES Water Test w/Prepaid Shipping Label - Triton Labs

    6 Pack Triton ICP-OES Water Test w/Prepaid Shipping Label - Triton Labs

    Triton

    $270.00
    Now Includes a Prepaid USPS First Class Shipping Label + Testing is Now Done in the USA! The results of this test provide you with the most detailed analysis of marine aquarium water you've ever seen, enabling you to understand exactly what's missing,...
  • On Sale 15%
    Strontium (Sr) Test Kit - Salifert
    On Sale 15%

    Strontium (Sr) Test Kit - Salifert

    Salifert

    $33.18
    $28.20
    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...
  • Digital Refractometer for Seawater Analysis (HI96822) - Hanna Instruments

    Digital Refractometer for Seawater Analysis (HI96822) - Hanna Instruments

    Hanna Instruments

    $200.00
    The HI96822 is a rugged, portable digital refractometer designed for the measurement of salinity of natural or artificial seawater. The HI96822 displays results in three popular measurement units: Practical Salinity Units (PSU), salinity in parts per...
  • On Sale 15%
    Nitrate (NO3) Test Kit - Elos
    On Sale 15%

    Nitrate (NO3) Test Kit - Elos

    ELOS

    $25.99
    $22.09
    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.)...
  • On Sale 15%
    Marine Buffer (500 Gm) - Seachem
    On Sale 15%

    Marine Buffer (500 Gm) - Seachem

    Seachem

    $12.75
    $10.84
    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...
  • On Sale 15%
    MC811US MAX pH/EC/Temp Monitor - Milwaukee
    On Sale 15%

    MC811US MAX pH/EC/Temp Monitor - Milwaukee

    Milwaukee Instruments

    $199.00
    $169.15
    Why Guard when you can Monitor! The Milwaukee MC811 MAX pH/EC/Temp Monitor lets you monitor your pH/EC/Temp levels 24/7 automatically. RANGE: 0.0 - 12.0 pH | 0.00 to 5.00 mS/cm | 14.0°F to 140.0°F RESOLUTION: 0.1 pH | 0.01 mS/cm |...
  • On Sale 15%
    PH Alert (6 Month) -  SeaChem
    On Sale 15%

    PH Alert (6 Month) - SeaChem

    Seachem

    $8.10
    $6.89
    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,...
  • On Sale 15%
    Pinpoint pH Controller - American Marine
    On Sale 15%

    Pinpoint pH Controller - American Marine

    American Marine

    $199.95
    $169.96
    American Marines PINPOINT pH Controller. PINPOINT pH Controller is an inexpensive yet rugged controller, which includes the appropriate probe and calibration fluids. This device will automate another electrical device such as a calcium reactor or...
  • On Sale 15%
    Neutral Regulator (250g) - Seachem
    On Sale 15%

    Neutral Regulator (250g) - Seachem

    Seachem

    $8.00
    $6.80
    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™...
  • 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...
  • On Sale 15%
    pH or ORP/REDOX Probe Storage Solution - American Marine
    On Sale 15%

    pH or ORP/REDOX Probe Storage Solution - American Marine

    American Marine

    $13.95
    $11.86
    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).
  • ORP/pH/Temperature Tester (HI98121)  - Hanna Instruments

    ORP/pH/Temperature Tester (HI98121) - Hanna Instruments

    Hanna Instruments

    $196.00
    The HI98121 is a waterproof pH, ORP and temperature meter. The housing of this tester has been completely sealed against humidity and is designed to float. Electrode replacement with the stainless steel round connector means there are no pins to bend or...
  • On Sale 15%
    PhosBond (1 L) - Seachem
    On Sale 15%

    PhosBond (1 L) - Seachem

    Seachem

    $35.57
    $30.23
    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...
  • On Sale 15%
    MW101 PH Meter - Milwaukee Instruments
    On Sale 15%

    MW101 PH Meter - Milwaukee Instruments

    Milwaukee Instruments

    $105.00
    $89.25
    The Milwaukee MW101 PRO pH meter has won fans around the world with its reliable, fast and simple operation as well as its toughness and accuracy. The MW101 delivers fast results to ±0.02 pH accuracy with two point calibration...
  • On Sale 15%
    MA9015 Storage Solution for pH/ORP Electrodes (230 ml) - Milwaukee
    On Sale 15%

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

    Milwaukee Instruments

    $12.00
    $10.20
    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 15%
    PhosBond (500 mL) - Seachem
    On Sale 15%

    PhosBond (500 mL) - Seachem

    Seachem

    $20.93
    $17.79
    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...
  • 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...
  • Pure Water Tester (HI98308) - Hanna Instruments

    Pure Water Tester (HI98308) - Hanna Instruments

    Hanna Instruments

    $69.00
    The HI98308 Pure Water tester is a rugged and reliable pocket-sized tester that offers quick and accurate readings. The HI98308 Pure Water tester features graphite electrodes to reduce polarization effects and an exposed temperature probe for fast...
  • On Sale 15%
    Copper (Cu) Test Kit - Elos
    On Sale 15%

    Copper (Cu) Test Kit - Elos

    ELOS

    $21.99
    $18.69
    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...
  • On Sale 15%
    PhosBond (4 L) - Seachem
    On Sale 15%

    PhosBond (4 L) - Seachem

    Seachem

    $121.33
    $103.13
    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...
  • On Sale 15%
    Phosphate (PO4) Test Kit - Elos
    On Sale 15%

    Phosphate (PO4) Test Kit - Elos

    ELOS

    $22.99
    $19.54
    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...
  • On Sale 15%
    ICP Mass Spec RODI Freshwater Aquarium Water Test (50+ Elements) - ICP Analysis
    On Sale 15%

    ICP Mass Spec RODI Freshwater Aquarium Water Test (50+ Elements) - ICP Analysis

    ICP Analysis

    $21.95
    $18.66
    This test is designed to measure freshwater, specifically your source water or RODI water so you know what is going into your tank before you make it salty.  We will test over 50 elements down to ppt, parts per trillion.  There is not any...
  • On Sale 15%
    Nitrite (NO2) Test Kit - Elos
    On Sale 15%

    Nitrite (NO2) Test Kit - Elos

    ELOS

    $21.99
    $18.69
    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.)...
  • 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

    $447.65
    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...
  • 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...
  • On Sale 15%
    pH600 pH Economical Pocket Tester - Milwaukee
    On Sale 15%

    pH600 pH Economical Pocket Tester - Milwaukee

    Milwaukee Instruments

    $22.00
    $18.70
    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...
  • On Sale 15%
    Carbonate Hardness (Alk/KH) Reefer Test Kit 50 Tests - NYOS Aquatics
    On Sale 15%

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

    NYOS

    $14.99
    $12.74
    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...
  • On Sale 15%
    Marine Buffer (250 Gm) - Seachem
    On Sale 15%

    Marine Buffer (250 Gm) - Seachem

    Seachem

    $7.47
    $6.35
    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...