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At AquaCave, we offer some of the best selection and best prices on Reef Octopus Calcium Reactors by CoralVue for you marine, reef, and freshwater aquarium. Reverse Flow Octopus Calcium Reactors are constructed with high quality Cell Cast Acrylic materials and SCH-80 Hard PVC pipes and JG fittings.Reef Octopus Calcium Reactors by CoralVue Great Value and quality construction. NEW FEATURE: Twist-off top cover for easy service. - Includes pH Probe port for easy integration with pH controller - Equipped with quality circulation pump and recidculating CO2 loop.

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  • Reef Octopus SRO 5000-D Calcium Reactor Reef Octopus SRO 5000-D Calcium Reactor

    Reef Octopus

    Reef Octopus SRO 5000-D Calcium Reactor

    Super Reef Octopus SRO 5000-D Dual Calcium Reactor. Rated for Aquariums up to 1000 Gallons Footprint: 18″ x 15.5″ | Body Diameter: 2x 8″ | Height: 23″ Recirculation Pump: Water Blaster 5000 Extra large chamber volumes,...

    $923.99
  • Reef Octopus VarioS CR220 DC Calcium Reactor      Reef Octopus VarioS CR220 DC Calcium Reactor      Reef Octopus VarioS CR220 DC Calcium Reactor      Reef Octopus VarioS CR220 DC Calcium Reactor      Reef Octopus VarioS CR220 DC Calcium Reactor

    Reef Octopus

    Reef Octopus VarioS CR220 DC Calcium Reactor

    Reef Octopus VarioS CR220 9-inch Calcium Reactor The VarioS CR is perfectly capable of meeting the challenging task of maintaining alkalinity, calcium, and trace elements on a demanding reef system. Quality, design, and controllability define the Reef...

    $820.04
  • Reef Octopus SRO 3000-D Calcium Reactor  Reef Octopus SRO 3000-D Calcium Reactor

    Reef Octopus

    Reef Octopus SRO 3000-D Calcium Reactor

    Super Reef Octopus 3000-D Calcium Reactor Rated for Aquariums up to 400 Gallons Footprint: 15.8” x 13.4” | Body Diameter: 2x 8″ | Height: 23″ Recirculation Pump: Water Blaster 3000 Extra large chamber volumes,...

    $762.29
  • Reef Octopus VarioS CR200 DC Calcium Reactor Reef Octopus VarioS CR200 DC Calcium Reactor Reef Octopus VarioS CR200 DC Calcium Reactor Reef Octopus VarioS CR200 DC Calcium Reactor Reef Octopus VarioS CR200 DC Calcium Reactor

    Reef Octopus

    Reef Octopus VarioS CR200 DC Calcium Reactor

    Reef Octopus VarioS CR200 DC Calcium Reactor,  8" dia. up to 500 gal. Footprint: 15.2″ x 10.6″ | Body Diameter: 8″ | Height: 23″  Recirculation Pump: Reef Octopus VarioS 4   CALCIUM/ALKALINITY DEMAND HEAVY - 200 gal. MEDIUM - 300 gal...

    $729.99
  • Reef Octopus KS250 Kalkwasser Stirrer Reef Octopus KS250 Kalkwasser Stirrer Reef Octopus KS250 Kalkwasser Stirrer

    Reef Octopus

    Reef Octopus KS250 Kalkwasser Stirrer

    Gently mixes your calcium hydroxide Reef Octopus Kalk Stirrer (Nilsen Reactor) carries a high torque low RPM motor that effectively, silently and gently mixes your calcium hydroxide (kalkwasser).  This method is not only ideal but is also the...

    $623.69
  • Reef Octopus VarioS CR140 DC Calcium Reactor Reef Octopus VarioS CR140 DC Calcium Reactor Reef Octopus VarioS CR140 DC Calcium Reactor Reef Octopus VarioS CR140 DC Calcium Reactor Reef Octopus VarioS CR140 DC Calcium Reactor

    Reef Octopus

    Reef Octopus VarioS CR140 DC Calcium Reactor

    Reef Octopus VarioS CR140 DC Calcium Reactor,  5.5" dia. up to 200 gal. Footprint: 12.2″ x 9.1″ | Body Diameter: 5.5″ | Height: 23″  Recirculation Pump: Reef Octopus VarioS 2 CALCIUM/ALKALINITY...

    $612.14
  • Reef Octopus CR140 Calcium Reactor Reef Octopus CR140 Calcium Reactor

    Reef Octopus

    Reef Octopus CR140 Calcium Reactor

     Reef Octopus CR-140 Reverse Flow Calcium Reactor by CoralVue* Quality, design and affordability define the Octopus Calcium Reactor series. Available in 3 different models that feature reverse flow water current for maximum water and Co2contact...

    $427.34
  • Reef Octopus KS150 Nilson Kalk Reactor Reef Octopus KS150 Nilson Kalk Reactor Reef Octopus KS150 Nilson Kalk Reactor Reef Octopus KS150 Nilson Kalk Reactor

    Reef Octopus

    Reef Octopus KS150 Nilson Kalk Reactor

    Reef Octopus KS150 Nilson Kalk Reactor Footprint: 7.68" x 7.68" | Body Diameter: 6" | Height: 26"Requires control timer and feed pump Gently mixes your calcium hydroxide Reef Octopus Kalk Stirrer (Nilsen Reactor) carries a high torque low RPM motor that...

    $415.79
  • Reef Octopus CR100 Calcium Reactor Reef Octopus CR100 Calcium Reactor

    Reef Octopus

    Reef Octopus CR100 Calcium Reactor

    Octopus CR100 Single 4" Chamber Calcium Reactor w/screw off lid by CoralVue, Rated up to 125 gal. Quality, design and affordability define the Octopus Calcium Reactor series. Available in 3 different models that feature reverse flow water current for...

    $346.49
  • Reef Octopus KS100 Kalkwasser Stirrer Reef Octopus KS100 Kalkwasser Stirrer

    Reef Octopus

    Reef Octopus KS100 Kalkwasser Stirrer

    Gently mixes your calcium hydroxideReef Octopus Kalk Stirrer (Nilsen Reactor) carries a high torque low RPM motor that effectively, silently and gently mixes your calcium hydroxide (kalkwasser).  This method is not only ideal but is also the safest...

    $311.84
  • Aquatrance 2000 Water Pump Aquatrance 2000 Water Pump

    Reef Octopus

    Aquatrance 2000 Water Pump

    Aquatrance 2000 Water Pump Affordable Water Pump for Marine or Freshwater Efficient water pumps provide exceptional performance at an economical price. Great for return pumps and/or feed pump for media reactors. Features Max Flow: 582gph /Max Head: 6...

    Was: $109.99
    Now: $87.99
  • Aquatrance 1200 Water Pump Aquatrance 1200 Water Pump

    Reef Octopus

    Aquatrance 1200 Water Pump

    Aquatrance 1200 Water Pump Max Flow: 340gph / Max Head:4ft Power Consumption: 15watts Dimensions:4.5" x 2.4" x 3.6"Application: Submersed or External Water Pump for Salt or Fresh Water Max Flow: 340gph /Max Head: 4ft Great for Feeding Flow to...

    Was: $89.99
    Now: $71.99
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