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CO2 Drop Checkers

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  • GLA Aquarium CO2 Drop Checker Kit

    GLA Aquarium CO2 Drop Checker Kit

    $24.99
    Glass planted aquarium CO2 drop checker. Use to measure CO2 levels at-a-glance. Included: One (1) Suction Cup One (1) bottle of pH Indicator Reagent (10 mL) **We recommend you also purchase GLA 4dKH analytical standard to create proper CO2 Indicator...
    Qty in Cart: 0
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    $24.99
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  • Cal Aqua Labs Pearl CO2 Drop Checker

    Cal Aqua Labs Pearl CO2 Drop Checker

    $59.99
    Cal Aqua Labs' PEARL is a dual-compartment CO2 checker that allows the user to accurately compare the CO2 level in your aquarium side-by-side against a standard reference. The unique space-saving design places the reference chamber right inside the the...
    Qty in Cart: 0
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    $59.99
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  • Cal Aqua Labs Double Check CO2 Drop Checker

    Cal Aqua Labs Double Check CO2 Drop Checker

    $57.99
    Cal Aqua Labs' Double Check series is the only all-glass dual-compartment CO2 checker that allows the user to accurately compare the CO2 level in your aquarium side-by-side against a standard reference. The top chamber holds the CO2 indicator solution,...
    Qty in Cart: 0
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    $57.99
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  • Cal Aqua Labs Oracle CO2 Drop Checker

    Cal Aqua Labs Oracle CO2 Drop Checker

    $57.99
    CAL AQUA LAB's Oracle is designed with elegance and exceptional functionality. Unique to the Oracle is a small white column at the center of the solution chamber. The white background of this column facilitates precise color identification when observing...
    Qty in Cart: 0
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    $57.99
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  • Cal Aqua Labs Nano CO2 Drop Checker

    Cal Aqua Labs Nano CO2 Drop Checker

    $47.99
    CAL AQUA LAB's Nano drop checker is designed specifically small or nano planted aquariums. Measuring approximately 3 x 3 cm, it is small enough to appear unobtrusive, yet large enough to provide a clear and accurate reading. The CAL AQUA LAB's Nano is...
    Qty in Cart: 0
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    $47.99
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  • Cal Aqua Labs Clip CO2 Drop Checker

    Cal Aqua Labs Clip CO2 Drop Checker

    $42.99
    Cal Aqua Labs' CLIP is the first CO2 checker that can be mounted or hung on all four sides of the aquarium, allowing greater flexibility in the device's placement within the aquarium. It's low visual profile takes up very little space and minimizes...
    Qty in Cart: 0
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    $42.99
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  • Cal Aqua Labs Clip Nano (CLIPn) CO2 Drop Checker

    Cal Aqua Labs Clip Nano (CLIPn) CO2 Drop Checker

    $42.99
    Cal Aqua Labs' Clip nano is designed specifically for hanging on the aquarium rim. It's low visual profile minimizes distraction from your aquascape. Provides unsurpassed clarity and minimizes the amount of equipment inside the aquarium, preventing...
    Qty in Cart: 0
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    $42.99
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  • GLA 4dKH Solution - 30ppm CO2 Analytical Standard

    GLA 4dKH Solution - 30ppm CO2 Analytical Standard

    $9.99
    4° KH or 4 dKH LAB CERTIFIED ANALYTICAL STANDARD - 118ml (4 oz) bottle CO2 Level Indicator Fluid: 71.44ppm Alkalinity as CaCO3 * ships with / includes pipette for ease of filling drop checker with indicator fluid 4 dKH fluid is used in a CO2 drop...
    Qty in Cart: 0
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    $9.99
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