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    CO2 System Fully-Automatic CO2 System w/Azoo CO2 Regulator

    CO2 System Fully-Automatic CO2 System w/Azoo CO2 Regulator

    Electronic controller monitors pH level for efficient CO2 injection. Drs. Foster and Smith Fully-Automatic CO2 System helps fully automate CO2 injection for planted freshwater aquariums up to 500 gallons. Include pH controller with pH Probe constantly... more

    $469.99

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    Neptune Systems AquaController pH/ORP Probe Module (Mfg# PM1)

    Neptune Systems AquaController pH/ORP Probe Module (Mfg# PM1)

    Expand the monitoring and control capabilities of your AquaController Apex Controller System with ease. Neptune Systems AquaController Apex PM1 pH/ORP Probe Module provides additional pH or ORP and temperature probe ports PLUS six I/O switch inputs for... more

    $84.95

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    CO2 Calcium Reactor Components

    CO2 Calcium Reactor Components

    Automate calcium reactors for convenient calcium supplementation in your reef aquarium pH controller monitors pH level in calcium reactor chamber CO2 pressure regulator with solenoid delivers constant supply of CO2 to calcium reactor These components... more

    $269.99

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    S.T. International 3-in-1 pH Instrument for Aquariums

    S.T. International 3-in-1 pH Instrument for Aquariums

    Our digital pH 3-in1 Instrument is a monitor, controller, and thermometer all in one little package! It monitors and controls pH levels (when proper CO2 equipment is connected), while also keeping an eye on water temperature (Celsius). The LED display... more

    $187.63

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    Tunze USA 7074/2 Co2 Controller

    Tunze USA 7074/2 Co2 Controller

    Consisting of pH controller 7070/2 and CO2 valve set 7074.11 with power supply unit 5012.01. The 12 Volt valve is nickel-plated and protected against corrosion. The adjustable time-interval meter permits the controlled distribution of CO2, preventing... more

    $452.86

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    Aquatronica Multi Tester Controller

    Aquatronica Multi Tester Controller

    Aquatronica Multi-Tester is an electronic device for measuring all the main values in an aquarium when used in conjunction with relative probes. (Temperature, pH, Redox, Marine density, Conductivity, Level, Flooding) The special "Easy Plug" (ACQ005)... more

    $136.99

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    pH Calibration Fluid - 7.0

    pH Calibration Fluid - 7.0

    The pH 7.0 Calibration Fluid is a calibrated solution for American Marine Electronic pH Monitors and Controllers. This is a one time use only packet that is accurate to +/- .002. more

    $3.99

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    pH Buffer Solution - 4.01 - .67 oz.

    pH Buffer Solution - 4.01 - .67 oz.

    Milwaukee pH Meters and Controllers calibration fluids should be used whenever replacing electrodes; if you get an abnormal reading; or at least every month for general maintenance. This 4.0 pH solution is ideal when combined with 7.0 solution for... more

    $2.99

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    pH Buffer Solution - 7.01 - .67 oz.

    pH Buffer Solution - 7.01 - .67 oz.

    Milwaukee pH Meters and Controllers calibration fluids should be used whenever replacing electrodes; if you get an abnormal reading; or at least every month for general maintenance. This 7.0 pH solution is ideal for 1-point calibration; or for 2-point... more

    $2.99

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    API Test Kit pH High Range

    API Test Kit pH High Range

    Easy-to-use liquid test solution measures low or high range pH Essential for maintaining proper pH levels for aquarium fish and plants Match the color of the test solution against color chart for accurate test results pH Low Range Test Kit - pH control... more

    $4.99

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    API Freshwater PH Test Kit, 250 tests per Kit

    API Freshwater PH Test Kit, 250 tests per Kit

    Proper pH control is imperative to prevent the harmful effects of too alkaline or too acidic aquarium water on fish and plant life. Tests pH levels from 6.0 to 7.6. 250 tests per kit. more

    $4.99

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    API Proper pH 8.2 Aquarium Water Treatment, 7.1-oz bottle

    API Proper pH 8.2 Aquarium Water Treatment, 7.1-oz bottle

    API Proper pH 8.2 Aquarium Water Treatment, 7.1-oz bottle; Automatically set and stabilize pH with API Proper pH 8.2 Aquarium Water Treatment. pH is the measure of acidic or alkaline water conditions. Water with a 7.0 pH level is considered neutral.... more

    $5.99

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    KORDON #35344 7.5-pH Brackish Water Stabilizer for Aquarium, 4-Ounce

    KORDON #35344 7.5-pH Brackish Water Stabilizer for Aquarium, 4-Ounce

    In most cases pH stability is more important than actual numbers unless you are attempting to promote breeding and spawning. Avoid large, shocking pH shifts. Partial water changes at regular intervals can help stabilize pH. It is a good idea to test... more

    $11.42

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    API pH Up Aquarium Water Treatment, 4-oz bottle

    API pH Up Aquarium Water Treatment, 4-oz bottle

    API pH Up Aquarium Water Treatment, 4-oz bottle; Safely and quickly raise the pH in your freshwater aquarium for more alkaline water conditions with API pH Down Aquarium Water Treatment. pH is the measure of acidic or alkaline water conditions. Water... more

    $5.81

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    API Proper pH 7.0 Aquarium Water Treatment, 8.8-oz bottle

    API Proper pH 7.0 Aquarium Water Treatment, 8.8-oz bottle

    API Proper pH 7.0 Aquarium Water Treatment, 8.8-oz bottle; Automatically set and stabilize pH with API Proper pH 7.0 Aquarium Water Treatment. pH is the measure of acidic or alkaline water conditions. Water with a 7.0 pH level is considered neutral.... more

    $5.99

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    Chemi-Pure Elite 11.74 oz

    Chemi-Pure Elite 11.74 oz

    Your fish will live a healthier life - up to 4 times longer. Works equally well in marine or freshwater aquariums to remove heavy metals, copper, phenol, ammonia, and other nitrogenous waste. Helps keep pH at a consistently safe range and your water... more

    $15.99

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    API PH Down Aquarium PH Adjuster, 16-Ounce

    API PH Down Aquarium PH Adjuster, 16-Ounce

    Lowers pH and makes aquariums more acidic. Fast-acting, colorless, easy-to-use and will not cloud or color aquarium water. more

    $12.99

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    Pond pH Buffer 2 L liquid

    Pond pH Buffer 2 L liquid

    Safely raises and maintains pond pH level Buffers and conditions pond water without phosphate Ideal for raising pH in liner ponds or in areas with acid runoff problems Designed to raise and stabilize your pond's pH. The ideal product for raising pH in... more

    $24.99

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    pH Buffer Solution - 10.01 - .67 oz.

    pH Buffer Solution - 10.01 - .67 oz.

    Milwaukee pH Meters and Controllers calibration fluids should be used whenever replacing electrodes; if you get an abnormal reading; or at least every month for general maintenance. This 10.0 pH solution is ideal for 2-point calibration of marine;... more

    $2.99

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    Neptune Systems AquaController Apex Lite with pH Probe

    Neptune Systems AquaController Apex Lite with pH Probe

    The Neptune Systems AquaController Apex Lite System is a high-quality aquarium controller that provides modern features; ease of use; and a larger; more active base than the Apex System. The Apex Lite System comes complete with an Apex Lite Base Unit;... more

    $499.99

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