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GEO Calcium Reactors

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  1. GEO Kalkwasser Reactor

    GEO Kalkwasser Reactor

    $314.95

    Out of stock

    Reward Points Policy Earn 3,149 AQUAPOINTS

    GEO Kalkwasser Reactor

    All Cell Cast acrylic construction 

    * Side mount pump
    * Easy fill top for kalk replacement
    * Drain valve for testing and filling
    * Dependable Maxi-Jet stir pump
    * Use with your top off system to replace evaporated aquarium water with kalkwasser
    * 7x12 foot print, 22" tall

    The world famous GEO kalkwasser reactor!

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  2. SAVE 20%
    GEO 418 Calcium Reactor

    GEO 418 Calcium Reactor

    Regular Price: $299.95

    Special Price: $239.95

    Reward Points Policy Earn 2,399 AQUAPOINTS

    GEO 418 Calcium Reactor

    The original GEO design 

    -Top down flow through the chamber
    -All cell cast acrylic construction
    -Clear lid to view proper O-ring seal
    -Key hole slot for lid removal
    -Full access to the reaction chamber (union tops do not provide this, making maintenance a chore)
    -Micro ball valve effluent control
    -Maxi-Jet 600 mixing pump
    -Acrylic bubble counter
    -7 x9 foot print, 21" overall height
    -Holds 6 +pounds of media depending on grain size
    -For reef aquariums up to 125 gallons
    -Does not include probe holder
    The original GEO reactor is back! This is the design that started the GEO product line and is what the larger models are based on. We put this back into production to offer a high quality no frills reactor at an affordable price. The 418 is suitable for aquariums up to 125 gallons and is built to fit the needs of the average sized reef. Don't be fooled by the small size these are true performers like any of the other reactors in the GEO line up, and just like the other GEO products they are built with the end user in mind. 

     

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  3. GEO 618 Calcium Reactor

    GEO 618 Calcium Reactor

    $415.95

    Reward Points Policy Earn 4,159 AQUAPOINTS

    GEO 618 Calcium Reactor. 
    All cell cast acrylic construction

    * Clear lid to view proper O-ring seal
    * Key hole slot for lid removal
    * Micro ball valve effluent control
    * Eheim 1048 pump, bolted to base plate
    * pH probe port in lid
    * pH probe adapter included
    * Auto fill bubble counter
    * 10 x 9 foot print, 24" overall height
    * Holds 12 pounds of media, we recommend large grain schuran type
    * For reef aquariums up to 350 gallons

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  4. GEO 624 Calcium Reactor

    GEO 624 Calcium Reactor

    $524.95

    Out of stock

    Reward Points Policy Earn 5,249 AQUAPOINTS

    GEO 624 Calcium Reactor. 

    * All cell cast acrylic construction
    * Clear lid to view proper O-ring seal
    * Key hole slot for lid removal
    * Micro ball valve effluent control
    * Pan World pump, bolted to base plate
    * pH probe port in lid
    * pH probe adapter included
    * Auto fill bubble counter
    * 9 x 12 foot print, 29" overall height
    * Holds 16 pounds of media, we recommend large grain schuran type
    * For Large SPS reef aquariums.

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  5. GEO 818 Calcium Reactor

    GEO 818 Calcium Reactor

    $674.95

    Reward Points Policy Earn 6,749 AQUAPOINTS

    GEO 818 Calcium Reactor

    * All cell cast acrylic construction
    * Clear lid to view proper O-ring seal
    * Key hole slot for lid removal
    * Micro ball valve effluent control
    * Pan World 40PX(BL20) external water pump, bolted to base plate
    * pH probe port in lid
    * pH probe adapter included
    * Auto fill bubble counter
    * 13 x 14 foot print, 24" overall height
    * Holds 24 pounds of media, we recommend large grain schuran type
    * Well suited for Large SPS reef displays or commercial holding systems

    The world famous GEO calcium reactor!

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