REACTORS (126)
Best selling Best selling
  • IceCap CO2 Media 1KG
    $14.29
    No reviews

    IceCap Color Changing CO2 Absorbent Media is the perfect solution if your aquarium struggles with low pH. Media turns from...

  • 7.5 lbs Bulk Color Changing CO2 Absorbent Media
    $36.99
    No reviews

    Raise your Reef Tank's pH by controlling Carbon Dioxide!   Bulk Reef Supply Color Changing CO2 Absorbent Media (Soda Lime)...

  • Eshopps Bio Cup R
    $34.98
    No reviews

    The next best thing to Filter Socks, the Bio Cup R supplements your traditional Filter Sock making reefing stress free....

  • Two Little Fishes Little Reactor
    $34.99 $59.79
    No reviews

    Two Little Fishies Little Reactor is the latest and smallest Two Little Fishies reactor. This 7" tall reactor is designed...

  • CarbonDoser CO2 Electronic Regulator
    $449.99
    No reviews

    CarbonDoser Electronic CO2 Regulator V2.0 (complete system: with remote box option)   Now sold with the TUNZE (German Built) Regulator...

  • Two Little Fishies PhosBan Reactor 150 Replacement O-ring (1
    $1.95

    OUT OF STOCK

    No reviews

    Reactor 150 O-Ring - One O-Ring for PBR150 (1 per pack)

  • Adaptive Reef Small Algae Reactor 10 Bundle
    $599.99
    No reviews

    Adaptive Reef Powered by AquaIllumination Blade Clean, Controlled, and Natural Algae Filtration Supports Turf Algae or Macroalgae Use Compact Form...

  • 1.2 lbs (Single Cartridge Refill) Color Changing CO2 Absorbent Media
    $6.99
    No reviews

    Raise your Reef Tank's pH by controlling Carbon Dioxide!   Bulk Reef Supply Color Changing CO2 Absorbent Media (Soda Lime)...

  • Reef Octopus Universal CO2 Scrubber
    $197.99

    OUT OF STOCK

    No reviews

    The Reef Octopus CO2 Scrubber is a universal reactor that will help stabilize pH levels by lowering the concentration of...

  • Floating Surface Ribbon Scrubber with Green Grabber Surfaces
    $284.99

    OUT OF STOCK

    No reviews

    SURF2® Surf Scrubber(TM) Floating Surface Upflow Algae Scrubber® with Green Grabber(TM) surfaces "It Floats Like A Boat!" (TM) Eliminate water...

  • Octopus Bio Churn 120R Recirculating Reactor
    $472.99
    No reviews

            └90 Int       Reef Octopus NEW Biopellet reactor series takes a innovative approach of...

  • Milwaukee MA957 CO2 Regulator, Solenoid, Bubble Counter
    $118.50

    OUT OF STOCK

    No reviews

    MA957 CO2 Solenoid Diaphragm Valve Includes flow regulator, needle valve, electronic solenoid & bubble counter. Unit comes with dual gauges...

  • Innovative Marine MiniMax Pro AIO Media Reactor [Desktop]- OPEN BOX RETURN
    $68.00 $80.00

    OUT OF STOCK

    No reviews

    OPEN BOX RETURN- SAVE 15%   MiniMax Pro Series - All-In-One Media Reactor - Desktop   If you desire the...

  • Adaptive Reef Large Algae Reactor 16 Bundle
    $699.99
    No reviews

    Adaptive Reef Powered by AquaIllumination Blade Clean, Controlled, and Natural Algae Filtration Supports Turf Algae or Macroalgae Use Compact Form...

  • IceCap GFO 100INT Media Reactor
    $131.99
    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...

  • Universal CO2 Scrubber
    $37.99
    No reviews

    Carbon Dioxide (CO2) can directly affect the pH of your aquarium, and with a low pH, corals may not grow...

  • Reef Octopus CO2 Top Cover 10" for Regal 250int,sss,ext. SRO5000int,sss,ext
    $50.59

    OUT OF STOCK

    No reviews

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

  • Reef Octopus 8" DC Calcium Reactor with Varios 4 Pump
    $824.99
    No reviews

    VarioS CR200 8 inch Calcium Reactor ApexReady Footprint: 15.2″ x 10.6″ | Body Diameter: 8″ | Height: 23″ Recirculation Pump:...

  • Two Little Fishies Phosban Reactor 150
    $71.35
    No reviews

    Introducing the TLF PhosBan Reactor. Uses a fluidized method to take full advantage of using Phosban media, or RowaPhos media...

  • Two Little Fishies PhosBan Reactor 550
    $118.66
    No reviews

      The PhosBan Reactor 550 is designed with the upflow principle to achieve the most efficient use of PhosBan or...

  • 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″ |...

  • Reef Octopus CO2 Top Cover for Elite 220 S, Elite 220 INT
    $48.39

    OUT OF STOCK

    No reviews

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

  • 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...

  • IceCap GFO 120INT Media Reactor
    $192.49
    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...

  • Innovative Marine MiniMax Pro AIO Media Reactor [Desktop]
    $80.00
    No reviews

    MiniMax Pro Series - All-In-One Media Reactor - Desktop   If you desire the highest water quality but are frustrated...

  • 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,...

  • IceCap Medium External Pro Algae Scrubber
    $401.49
    No reviews

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

  • IceCap Small External Pro Algae Scrubber
    $296.99

    OUT OF STOCK

    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

    OUT OF STOCK

    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

    OUT OF STOCK

    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...