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Water Testing

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  • 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...
  • MW101 PH Meter - Milwaukee Instruments

    MW101 PH Meter - Milwaukee Instruments

    Milwaukee Instruments

    $105.00
    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...
  • 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...
  • 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...
  • 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...
  • PhosBond (4 L) - Seachem

    PhosBond (4 L) - Seachem

    Seachem

    $121.33
    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...
  • 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...
  • 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,...
  • 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...
  • 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...
  • HI9810422 HALO2 Wireless pH Tester - Hanna Instruments

    HI9810422 HALO2 Wireless pH Tester - Hanna Instruments

    Hanna Instruments

    $122.00
    Our HALO2 Wireless Field pH Tester has a durable PEI body and spherical sensing bulb, perfect for use in the field. Open-source Bluetooth allows easy integration into current data logging systems IP65 water resistant...
  • 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...
  • Ammonia/Ammonium (NH3/4) Test Kit - Elos

    Ammonia/Ammonium (NH3/4) Test Kit - Elos

    ELOS

    $23.99
    Ammonia (NH3) is toxic to corals, invertebrate and fishes. At high pH level (as in a marine aquarium) and at increased temperatures, NH3 can kill the aquarium inhabitants. In freshwater aquaria its optimal level should be below 0,1 mg/lt. In marine...
  • Marine Buffer (4 KG) - Seachem

    Marine Buffer (4 KG) - Seachem

    Seachem

    $73.24
    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...
  • 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...
  • KH Pro Alkalinity Test Professional - Tropic Marin

    KH Pro Alkalinity Test Professional - Tropic Marin

    Tropic Marin

    $25.45
    The carbonate hardness (KH)* or alkalinity* of a water sample characterizes the buffering ability, ie the ability to maintain the pH value of the water. It is largely determined by the proportion of hydrogen carbonate ions in the water. As the...
  • Alkalinity Liquid Test Kit (Up to 150 Tests) - Fritz Aquatics

    Alkalinity Liquid Test Kit (Up to 150 Tests) - Fritz Aquatics

    Fritz Aquatics

    $11.24
    East to Read Instructions Essential for a Healthy Tank Accurate in both Fresh and Saltwater About Fritz Liquid Test Kits - Alkalinity Carbonate hardness, or alkalinity (KH), is the measure of both carbonates and bicarbonates present in the...
  • HI73128 Electrode Removal Tool - Hanna Instruments

    HI73128 Electrode Removal Tool - Hanna Instruments

    Hanna Instruments

    $23.00
    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...
  • 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 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...