REACTORS (128)
Best selling Best selling
  • IceCap 50P Small Controllable DC Media Reactor
    $90.00
    No reviews

    IceCap User-Friendly DC Media Reactor  The IceCap Controllable 12v DC Media Reactor is the ideal device for utilizing your favorite...

  • Bashsea Bio Reactor 6-30- OPEN BOX RETURN
    $356.15 $419.00
    No reviews

    OPEN BOX RETURN- SAVE 15%   Please Note: Due to global supply shortages, Bashsea is temporarily manufacturing this product without...

  • Reef Octopus 4" KS100 Nilson Kalk Reactor- OPEN BOX RETURN
    $336.59 $373.99
    No reviews

    OPEN BOX RETURN- SAVE 10% Reef Octopus KS100 Nilson Kalk Reactor Footprint: 5.5″ x 5.5″ | Body Diameter: 4″ |...

  • IceCap GFO 150EXT Media Reactor
    $274.99
    No reviews

    Canister Media Reactor for Universal Aquarium Applications The IceCap EXT Media Reactors are plug-and-play reactors with a removable canister for...

  • IceCap GFO 120EXT Media Reactor
    $192.49
    No reviews

    Canister Media Reactor for Universal Aquarium Applications The IceCap EXT Media Reactors are plug-and-play reactors with a removable canister for...

  • IceCap GFO 100EXT Media Reactor
    $131.99
    No reviews

    Canister Media Reactor for Universal Aquarium Applications The IceCap EXT Media Reactors are plug-and-play reactors with a removable canister for...

  • IceCap GFO 150INT Media Reactor
    $274.99
    No reviews

    Canister Media Reactor for In-Sump Aquarium Applications The IceCap INT Media Reactors are designed for in-sump applications and are plug-and-play...

  • Nyos Torq 0.75 G2 Body
    $79.00

    OUT OF STOCK

    No reviews

    TORQ G2 SYSTEM REACTOR FOR FILTER MEDIA   The Nyos TORQ is an innovative high-performance system reactor in a modular...

  • IceCap Large External Pro Algae Scrubber
    $698.49
    No reviews

    Fight Algae with Algae... Naturally IceCap PRO External Turf Scrubbers use algae as a natural water filter to remove nitrate,...

  • Seaside Aquatics Dual Co2 Regular
    $139.99
    No reviews

    Dual Stage CO2 Regulator contains two gauges to show both working pressure and gas pressure in your tank.    Package...

  • Reef Octopus CO2 Top Cover 12"
    $56.09
    No reviews

    A Perfect Lid for a Perfect Fit This special lid is designed to precisely fit a range of Reef Octopus...

  • Reef Octopus CO2 Top Cover 8"
    $45.09
    No reviews

    A Perfect Lid for a Perfect Fit This special lid is designed to precisely fit a range of Reef Octopus...

  • Reef Octopus CO2 Top Cover 6"
    $39.59
    No reviews

    A Perfect Lid for a Perfect Fit This special lid is designed to precisely fit a range of Reef Octopus...

  • Reef Octopus CO2 Top Cover 4"
    $34.09
    No reviews

    A Perfect Lid for a Perfect Fit This special lid is designed to precisely fit a range of Reef Octopus...

  • Bubble Magus MR-80 Media Reactor
    $99.99
    No reviews

    Bubble Magus MR-80 Media Reactor Multipurpose filter for use with GFO, Carbon and Bio-Pellets External or Internal Use Hanging Bracket...

  • Two Little Fishes NPX Adaptor for Reactor 550
    $20.09
    No reviews

    Two Little Fishes NPX Adaptor for Reactor 550(reactor sold separately)   Capacity Use with up to a maximum of 1000...

  • Two Little Fishes NPX Adaptor for Reactor 150
    $18.15
    No reviews

    Two Little Fishes NPX Adaptor for Reactor 150   Capacity Use with up to a maximum of 400 ml NPX...

  • IceCap Turf Scrubber Spare 10w LED
    $59.99
    No reviews

    IceCap Turf Scrubber Spare 10w LED IceCap Algae Scrubber Replacement Light Direct replacement for the IceCap Algae Scrubber   Small...

  • IceCap Turf Scrubber Pro Large
    $698.49
    No reviews

    Fight Algae with Algae... Naturally IceCap PRO Internal Turf Scrubbers use algae as a natural water filter to remove nitrate,...

  • IceCap Turf Scrubber Pro Medium
    $401.49
    No reviews

    Fight Algae with Algae... Naturally IceCap PRO Internal Turf Scrubbers use algae as a natural water filter to remove nitrate,...

  • IceCap Turf Scrubber Pro Small
    $296.99
    No reviews

    Fight Algae with Algae... Naturally IceCap PRO Internal Turf Scrubbers use algae as a natural water filter to remove nitrate,...

  • IceCap Turf Scrubber Pro Hang On
    $214.49
    No reviews

    Fight Algae with Algae with a HOB Turf Scrubber IceCap PRO Hang On Back (HOB) Turf Scrubbers use algae as...

  • Pax Bellum C36 chamber liner
    $29.99 $40.00
    No reviews

    Add a liner to your chamber to make cleaning easier while maintaining the light reflectivity of your chamber walls for...

  • Pax Bellum C36 diffuser disc 3pk
    $59.99 $80.00
    No reviews

    Pax Bellum The c36 diffuser disc 3pk is a replacement component for the c36 ARID reactor consisting of 3 diffuser...

  • Pax Bellum C30 diffuser disc 3pk
    $29.99 $45.00
    No reviews

    The Pax Bellum c30 diffuser disc 3pk is a replacement component for the c30 ARID reactor consisting of 3 diffuser...

  • Pax Bellum C36 light sleeve
    $29.99 $40.00
    No reviews

    Pax Bellum Light Tube for the ARID C36 (36 and 30 pictured).

  • Pax Bellum C30 light sleeve
    $26.99 $35.00
    No reviews

    Pax Bellum Light Tube for the ARID C30 (30 and 36 pictured)

  • Pax Bellum C36 Calcium Reactor Feed & Injection Assembly
    $84.99 $120.00
    No reviews

    c36 Ca Feed & Injection Assembly    Use the ARID with a Calcium Reactor. The Ca injection assembly (Ca Reactor...

  • Pax Bellum C30 Calcium Reactor Feed & Injection Assembly
    $69.99 $100.00
    No reviews

    Pax Bellum c30 Ca Feed & Injection Assembly   Use the ARID with a Calcium Reactor. The Ca injection assembly...

  • Tunze 3182 Macro Algae Reactor
    $899.99
    No reviews

    Macro Algae Reactor 3182 For aquariums from 500 to 1,600 liters (132 - 423 USgal.). Flow rate adjustable from 1,000...

  • IceCap CO2 Scrubber Large
    $175.99
    No reviews

    The IceCap CO2 Scrubber can be installed on just about any aquarium with a protein skimmer. Just connect the tubing...

  • ME Coral Media Reactor 4x12
    $114.99
    No reviews

    The MEdia Reactor has been designed to be an advanced media reactor for ME GFO (Granular Ferric Oxide) and GAC...

  • ME Coral Pellet Blaster Reactor
    $138.99
    No reviews

    The ME Pellet Blaster mixes perfect design, superior craftsmanship, ease of installation, versatility and near zero maintenance!  ME Blaster uses...

  • Tunze Macro Algae Reactor 3181
    $574.99
    No reviews

    For aquariums from 100 to 600 liters (25 - 160 USgal.). Flow rate: 500 - 1,200 l/h (132 - 318...

  • Octopus Light Reactor 8" - LR200
    $673.35
    No reviews

    Reef Octopus Light Reactor   The Reef Octopus Light Reactor allows you to grow algae within a contained system while...

  • Octopus Light Reactor 6" - LR150
    $584.42
    No reviews

    Reef Octopus Light Reactor   The Reef Octopus Light Reactor allows you to grow algae within a contained system while...

  • IceCap Kalk Mixer 6"
    $406.99
    No reviews

    IceCap Kalk Mixing Reactor Available in 3 Sizes: Small - Ideal for Aquariums up to 100gal Footprint: 5.7" x 5.7"...

  • IceCap Kalk Mixer 5"
    $329.99
    No reviews

    IceCap Kalk Mixing Reactor Available in 3 Sizes: Small - Ideal for Aquariums up to 100gal Footprint: 5.7" x 5.7"...

  • American Marine Pinpoint Co2 Regulator Kit
    $149.00
    No reviews

    The PINPOINT CO2 Regulator Kit is now available. This is a high end regulator/solenoid engineered specifically for the aquarium hobby...

  • Nyos Torq 2.0 G2 Body
    $125.00
    No reviews

    TORQ G2 SYSTEM REACTOR FOR FILTER MEDIA   The Nyos TORQ is an innovative high-performance system reactor in a modular...

  • Nyos Torq Dock G2
    $99.00
    No reviews

    NYOS TORQ DOCK G2 The Nyos TORQ is an innovative high performance system reactor in a modular design for all...

  • Lifegard Aquatics Turbo Reactors Nano Side Flow
    $119.07
    No reviews

    LIFEGARD Turbo Reactors All Lifegard Turbo Reactors are engineered to the highest quality and efficiency to promote the growth of...

  • Lifegard Aquatics Turbo Reactors Medium Top Flow
    $122.40
    No reviews

    LIFEGARD Turbo Reactors All Lifegard Turbo Reactors are engineered to the highest quality and efficiency to promote the growth of...

  • Reef Octopus 4" MF2000 Advanced Media Reactor
    $258.49
    No reviews

    MF 2000 Advanced Media Reactor Dim: 5.5″ x 5.5″ | Body Diameter: 4"″ | Height: 21.75″ Great for activated carbon,...

  • Reef Octopus 3.5" MF1000 Advanced Media Reactor
    $219.99
    No reviews

    MF 1000 Advanced Media Reactor Dim: 4.7″ x 4.7″ | Body Diameter: 3.5"″ | Height: 21″ Great for activated carbon,...

  • Reef Octopus 4" MF800B Media Reactor with Pump
    $173.24
    No reviews

    MF800B Complete Media Reactor Dim: 5.5″ x 5.5″ | Body Diameter: 4″ | Height: 19.9″ Great for activated carbon, GFO...

  • Reef Octopus 4" KS100 Nilson Kalk Reactor
    $373.99
    No reviews

    Reef Octopus KS100 Nilson Kalk Reactor Footprint: 5.5″ x 5.5″ | Body Diameter: 4″ | Height: 27.6″ Requires control timer...

  • Reef Octopus 4" Single Chamber w/Aquatrance 1200
    $417.99
    No reviews

    CR100 4 inch Calcium Reactor Footprint: 9.5″ x 7.5″ | Body Diameter: 4″ | Height: 20″ Recirculation Pump: Aquatrance 1200...

  • Reef Octopus 8.7" DC Calcium Reactor with Varios 6 Pump
    $978.99
    No reviews

    VarioS CR220 9 inch Calcium Reactor ApexReady Footprint: 16.5″ x 11″ | Body Diameter: 9″ | Height: 23″ Recirculation Pump:...

  • Reef Octopus 5.5" DC Calcium Reactor with Varios 2 Pump
    $736.99
    No reviews

    VarioS CR140 5.5 inch Calcium Reactor Footprint: 12.2″ x 9.1″ | Body Diameter: 5.5″ | Height: 23″ Recirculation Pump: Reef...

  • ISTA - Replacement Ceramic (for UFO CO2 Diffuser L)
    $10.95
    No reviews

        Specific ceramic applied to assures most delicate CO2 diffusing effect.     Top quality design allows the replacement of the...

  • ISTA - Metal CO2/Air Flow Regulator - 6 ways
    $76.99
    No reviews

        Can be used with all kinds of CO2 regulators.     Provides great convenience in dividing CO2 into 6 different...