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Alkalinity (Alk/KH)

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  • HI772 Marine Alkalinity (dKH) Checker HC - Hanna Instruments

    HI772 Marine Alkalinity (dKH) Checker HC - Hanna Instruments

    Hanna Instruments

    $67.99
    The Hanna Marine Alkalinity (dKH) 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...
  • Carbonate Hardness & Alkalinity (KH/ ALK) Test Kit - Salifert

    Carbonate Hardness & Alkalinity (KH/ ALK) Test Kit - Salifert

    Salifert

    $16.46
    Calcium alone cannot form the skeletal material of corals and allow calcareous algae to grow. Some other substances are needed as well. A few other constituents are carbonate and bicarbonate. These two substances also have a major impact on the...
  • 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...
  • Salifert Core Alkalinity Calcium Magnesium Combo Test Kit - Salifert

    Salifert Core Alkalinity Calcium Magnesium Combo Test Kit - Salifert

    Salifert

    $45.99
    Magnesium is present in NSW in a fairly high concentration (1300 - 1400 mg/L). Magnesium is an essential part of chlorophyll, which is necessary for photosynthesis. Without photosynthesis plants, including algae and the corals, which we usually have in...
  • KH/Alkalinity Pro Test Refill - Red Sea

    KH/Alkalinity Pro Test Refill - Red Sea

    Red Sea

    $24.99
    Reagent alkalinity pro refill test kit is an advanced titration test Measuring the level of buffers in reef aquarium to an exceptionally high accuracy of 0.05 meq/l (0.14 dkh) This test refill replenishes KH/alkalinity pro test kit with sufficient...
  • 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...
  • KH Carbonate Hardness Test Kit - API

    KH Carbonate Hardness Test Kit - API

    API

    $8.98
    KH Carbonate Hardness Test Kit The API® KH Carbonate Hardness Test Kit tests fresh or saltwater aquariums for carbonate hardness (KH), and helps monitor water quality and prevent invisible water problems that can be harmful to fish and plants...
  • Alkalinity (KH) Test Kit - Elos

    Alkalinity (KH) Test Kit - Elos

    ELOS

    $17.99
    KH Alkalinity - Carbonate Hardness Water AnalysisAlkalinity is essentially a means of quantifying the stability of pH in a solution, such as aquarium water. It is a measure of the concentration of various negatively charged ionic compounds (anions) such...
  • 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...
  • 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...
  • HI775 Marine Alkalinity Checker HC (Freshwater) - Hanna Instruments

    HI775 Marine Alkalinity Checker HC (Freshwater) - Hanna Instruments

    Hanna Instruments

    $67.99
    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...
  • 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...
  • 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...
  • 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...
  • 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...
  • 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...
  • 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...
  • On Sale 15%
    Alkalinity KH Test Kit (100 Tests) - ASF
    On Sale 15%

    Alkalinity KH Test Kit (100 Tests) - ASF

    ASF

    $18.89
    $16.06
    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...