1. Reef Octopus KS100 Nilson Kalk Reactor Reef Octopus KS100 Nilson Kalk Reactor
    $249.99

    Reef Octopus KS100 Nilson Kalk Reactor

    Rated for Aquariums up to 130 Gallons

    Footprint: 5.5″ x 5.5″ | Body Diameter: 4″ | Height: 27.6″ 
    Requires control timer and feed pump

  2.   Reef Octopus KS150 Nilson Kalk Reactor Reef Octopus KS150 Nilson Kalk Reactor
    $309.99

    Reef Octopus KS150 Nilson Kalk Reactor

    Rated for Aquariums up to 210 Gallons

    Footprint: 7.68″ x 7.68″ | Body Diameter: 6″ | Height: 26″ 
    Requires control timer and feed pump

  3.   Reef Octopus KS250 Nilson Kalk Reactor Reef Octopus KS250 Nilson Kalk Reactor
    $459.99

    Reef Octopus KS250 Nilson Kalk Reactor

    Rated for Aquariums up to 320 Gallons

    Footprint: 12.6″ x 12.6″ | Body Diameter: 10″ | Height: 26″ 
    Requires control timer and feed pump