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At AquaCave, we offer some of the best selection & best prices on Aquarium Media Reactors, In-Line Filters, Carbon Reactors for you marine, reef, and freshwater aquarium.

  • Bashsea 6-18 Media Chamber - Blue/Black Bashsea 6-18 Media Chamber - Blue/Black Bashsea 6-18 Media Chamber - Blue/Black

    BASHSEA

    Bashsea 6-18 Media Chamber - Blue/Black

    Bashsea 6-18 Media Chamber - Blue/Black Multi-media, carbon, GFO fresh, and saltwater media reactor for aquariums up to 500 gallons. Technical Specifications: Manufacturer Bashsea Product Line Media...

    $249.99
  • Bashsea 6-18 Media Chamber - Red/Black Bashsea 6-18 Media Chamber - Red/Black Bashsea 6-18 Media Chamber - Red/Black

    BASHSEA

    Bashsea 6-18 Media Chamber - Red/Black

    Bashsea 6-18 Media Chamber - Red/Black Multi-media, carbon, GFO fresh, and saltwater media reactor for aquariums up to 500 gallons. Technical Specifications: Manufacturer Bashsea Product Line Media...

    $249.99
  • Bashsea 6-18 Media Chamber - White/Black Bashsea 6-18 Media Chamber - White/Black Bashsea 6-18 Media Chamber - White/Black

    BASHSEA

    Bashsea 6-18 Media Chamber - White/Black

    Bashsea 6-18 Media Chamber - White/Black Multi-media, carbon, GFO fresh and saltwater media reactor for aquariums up to 500 gallons. Technical Specifications: Manufacturer Bashsea Product Line Media...

    $249.99
  • Lifegard Turbo Media Reactor Large - Side Flow Lifegard Turbo Media Reactor Large - Side Flow Lifegard Turbo Media Reactor Large - Side Flow Lifegard Turbo Media Reactor Large - Side Flow

    Lifegard

    Lifegard Turbo Media Reactor Large - Side Flow

    Lifegard Turbo Reactors Large Side Flow Quiet One 1200 317 gph 150-250 gallons 750 ml LIFEGARD® Turbo Reactors All Lifegard Turbo Reactors are engineered to the highest quality and efficiency to promote the growth of Nitrate and Phosphate reducing...

    $214.32
  •  Super Reef Octopus BR70 Bio Pellet Reactor

    Reef Octopus

    Super Reef Octopus BR70 Bio Pellet Reactor

    Super Reef Octopus BR70Biopellet ReactorThese Revolutionary Media Reactors have a fluidizing cone bottom design to help keep the Biopellet media in suspension and evenly disperse the water upwards, without restricting the flow through the unit. These...

    $213.66
  • IceCap EXT Media Reactor - Medium IceCap EXT Media Reactor - Medium IceCap EXT Media Reactor - Medium IceCap EXT Media Reactor - Medium IceCap EXT Media Reactor - Medium

    IceCap

    IceCap EXT Media Reactor - Medium

    IceCap EXT Media Reactor - Medium Canister Media Reactor for Universal Aquarium Applications The IceCap EXT Media Reactors are plug-and-play reactors with a removable canister for all your favorite aquarium media. The removable canister allows...

    $202.11
  • IceCap INT Media Reactor - Medium IceCap INT Media Reactor - Medium IceCap INT Media Reactor - Medium IceCap INT Media Reactor - Medium IceCap INT Media Reactor - Medium

    IceCap

    IceCap INT Media Reactor - Medium

    IceCap INT Media Reactor - Medium Canister Media Reactor for In-Sump Aquarium Applications The IceCap INT Media Reactors are designed for in-sump applications and are plug-and-play reactors with a removable canister for all your favorite aquarium media...

    $202.11
  • Bashsea 6-12 Media Chamber - Blue/Black Bashsea 6-12 Media Chamber - Blue/Black Bashsea 6-12 Media Chamber - Blue/Black

    BASHSEA

    Bashsea 6-12 Media Chamber - Blue/Black

    Bashsea 6-12 Media Chamber - Blue/Black Multi-media, carbon, GFO fresh, and saltwater media reactor for aquariums up to 350 gallons. Technical Specifications: Manufacturer Bashsea Product Line Media...

    $194.99
  • Bashsea 6-12 Media Chamber - Red/Black Bashsea 6-12 Media Chamber - Red/Black Bashsea 6-12 Media Chamber - Red/Black

    BASHSEA

    Bashsea 6-12 Media Chamber - Red/Black

    Bashsea 6-12 Media Chamber - Red/Black Multi-media, carbon, GFO fresh and saltwater media reactor for aquariums up to 350 gallons. Technical Specifications: Manufacturer Bashsea Product Line Media...

    $194.99
  • Bashsea 6-12 Media Chamber - White/Black Bashsea 6-12 Media Chamber - White/Black Bashsea 6-12 Media Chamber - White/Black

    BASHSEA

    Bashsea 6-12 Media Chamber - White/Black

    Bashsea 6-12 Media Chamber - White/Black Multi-media, carbon, GFO fresh, and saltwater media reactor for aquariums up to 350 gallons. Technical Specifications: Manufacturer Bashsea Product Line Media...

    $194.99
  • Bubble Magus BP-200 Biopellet Media Reactor Bubble Magus BP-200 Biopellet Media Reactor Bubble Magus BP-200 Biopellet Media Reactor Bubble Magus BP-200 Biopellet Media Reactor Bubble Magus BP-200 Biopellet Media Reactor

    Bubble Magus

    Bubble Magus BP-200 Biopellet Media Reactor

    Bubble Magus BP-200 Biopellet Media Reactor BP-200  Footprint: 8 1/8" Height: 19 1/2: Height without base: 14 1/2 Cylinder Diameter: 6 5/8" The bottom plate can be remove to turn it into a BioPellet reactor...

    Was: $229.95
    Now: $183.96
  • Bashsea PM II Pellet Master - Blue/Black Bashsea PM II Pellet Master - Blue/Black Bashsea PM II Pellet Master - Blue/Black

    BASHSEA

    Bashsea PM II Pellet Master - Blue/Black

    Bashsea PM II Pellet Master - Blue/Black Zero maintenance bio pellet reactor for removing nitrates and phosphates for all fresh and saltwater aquariums up to 300 gallons. Technical Specifications: Manufacturer Bashsea Product...

    $179.99
  • Bashsea PM II Pellet Master - Red/Black Bashsea PM II Pellet Master - Red/Black Bashsea PM II Pellet Master - Red/Black

    BASHSEA

    Bashsea PM II Pellet Master - Red/Black

    Bashsea PM II Pellet Master - Red/Black Zero maintenance bio pellet reactor for removing nitrates and phosphates for all fresh and saltwater aquariums up to 300 gallons. Technical Specifications: Manufacturer Bashsea Product Line Pellet...

    $179.99
  • Bashsea PM II Pellet Master - White/Black Bashsea PM II Pellet Master - White/Black Bashsea PM II Pellet Master - White/Black

    BASHSEA

    Bashsea PM II Pellet Master - White/Black

    Bashsea PM II Pellet Master - White/Black Zero maintenance bio pellet reactor for removing nitrates and phosphates for all fresh and saltwater aquariums up to 300 gallons. Technical Specifications: Manufacturer Bashsea Product...

    $179.99
  • Bubble Magus BP-150 Biopellet Media Reactor Bubble Magus BP-150 Biopellet Media Reactor Bubble Magus BP-150 Biopellet Media Reactor Bubble Magus BP-150 Biopellet Media Reactor Bubble Magus BP-150 Biopellet Media Reactor

    Bubble Magus

    Bubble Magus BP-150 Biopellet Media Reactor

    Bubble Magus BP-150 Biopellet Media Reactor BP150  Footprint: 6 3/4" x 6 3/4" Height: 19 1/2" Height without base: 15 1/2" Cylinder Diameter: 5 3/4" Media Chamber Volume: up to 5 Liter / 1.3 Gallon Pump: WP1000, 29 Watts,...

    Was: $199.99
    Now: $159.99
  • IceCap 80P Large Controllable DC Media Reactor IceCap 80P Large Controllable DC Media Reactor IceCap 80P Large Controllable DC Media Reactor IceCap 80P Large Controllable DC Media Reactor IceCap 80P Large Controllable DC Media Reactor

    IceCap

    IceCap 80P Large Controllable DC Media Reactor

    IceCap 80P Large Controllable DC Media Reactor IceCap User-Friendly DC Media Reactor  The IceCap Controllable 12v DC Media Reactor is the ideal device for utilizing your favorite filtration media in confined spaces typically found in All-In-One...

    $154.98
  • Bashsea 4-18 Media Chamber - Blue/Black Bashsea 4-18 Media Chamber - Blue/Black Bashsea 4-18 Media Chamber - Blue/Black

    BASHSEA

    Bashsea 4-18 Media Chamber - Blue/Black

    Bashsea 4-18 Media Chamber - Blue/Black Multi-media, carbon, GFO fresh, and saltwater media reactor for aquariums up to 225 gallons. Technical Specifications: Manufacturer Bashsea Product Line Media...

    $149.99
  • Bashsea 4-18 Media Chamber - Red/Black Bashsea 4-18 Media Chamber - Red/Black Bashsea 4-18 Media Chamber - Red/Black

    BASHSEA

    Bashsea 4-18 Media Chamber - Red/Black

    Bashsea 4-18 Media Chamber - Red/Black Multi-media, carbon, GFO fresh, and saltwater media reactor for aquariums up to 225 gallons. Technical Specifications: Manufacturer Bashsea Product Line Media...

    $149.99
  • Bashsea 4-18 Media Chamber - White/Black Bashsea 4-18 Media Chamber - White/Black Bashsea 4-18 Media Chamber - White/Black

    BASHSEA

    Bashsea 4-18 Media Chamber - White/Black

    Bashsea 4-18 Media Chamber - White/Black Multi-media, carbon, GFO fresh, and saltwater media reactor for aquariums up to 225 gallons. Technical Specifications: Manufacturer Bashsea Product Line Media...

    $149.99
  • Bashsea PM I Pellet Master - Blue/Black Bashsea PM I Pellet Master - Blue/Black Bashsea PM I Pellet Master - Blue/Black

    BASHSEA

    Bashsea PM I Pellet Master - Blue/Black

    Bashsea PM I Pellet Master - Blue/Black Zero maintenance bio pellet reactor for removing nitrates and phosphates for all fresh and saltwater aquariums up to 150 gallons. Technical Specifications: Manufacturer Bashsea Product Line Pellet...

    $149.99
  • Bashsea PM I Pellet Master - Red/Black Bashsea PM I Pellet Master - Red/Black Bashsea PM I Pellet Master - Red/Black

    BASHSEA

    Bashsea PM I Pellet Master - Red/Black

    Bashsea PM I Pellet Master - Red/Black Zero maintenance bio pellet reactor for removing nitrates and phosphates for all fresh and saltwater aquariums up to 150 gallons. Technical Specifications: Manufacturer Bashsea Product Line Pellet...

    $149.99
  • Bashsea PM I Pellet Master - White/Black Bashsea PM I Pellet Master - White/Black Bashsea PM I Pellet Master - White/Black

    BASHSEA

    Bashsea PM I Pellet Master - White/Black

    Bashsea PM I Pellet Master - White/Black Zero maintenance bio pellet reactor for removing nitrates and phosphates for all fresh and saltwater aquariums up to 150 gallons. Technical Specifications: Manufacturer Bashsea Product...

    $149.99
  •  Lifegard Turbo Media Reactor Medium - Side Flow  Lifegard Turbo Media Reactor Medium - Side Flow  Lifegard Turbo Media Reactor Medium - Side Flow  Lifegard Turbo Media Reactor Medium - Side Flow

    Lifegard

    Lifegard Turbo Media Reactor Medium - Side Flow

    Lifegard Turbo Reactor Medium Side Flow Quiet One 800 240 gph 75-150 gallons 450 ml LIFEGARD® Turbo Reactors All Lifegard Turbo Reactors are engineered to the highest quality and efficiency to promote the growth of Nitrate and Phosphate reducing...

    $142.88
  • IceCap EXT Media Reactor - Small IceCap EXT Media Reactor - Small IceCap EXT Media Reactor - Small IceCap EXT Media Reactor - Small IceCap EXT Media Reactor - Small

    IceCap

    IceCap EXT Media Reactor - Small

    IceCap EXT Media Reactor - Small Canister Media Reactor for Universal Aquarium Applications The IceCap EXT Media Reactors are plug-and-play reactors with a removable canister for all your favorite aquarium media. The removable canister allows...

    $138.59
  • IceCap INT Media Reactor - Small IceCap INT Media Reactor - Small IceCap INT Media Reactor - Small IceCap INT Media Reactor - Small IceCap INT Media Reactor - Small

    IceCap

    IceCap INT Media Reactor - Small

    IceCap INT Media Reactor - Small Canister Media Reactor for In-Sump Aquarium Applications The IceCap INT Media Reactors are designed for in-sump applications and are plug-and-play reactors with a removable canister for all your favorite aquarium media...

    $138.59
  • 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...

    $129.35
  • Bubble Magus MR-150 Media Reactor Bubble Magus MR-150 Media Reactor Bubble Magus MR-150 Media Reactor Bubble Magus MR-150 Media Reactor Bubble Magus MR-150 Media Reactor

    Bubble Magus

    Bubble Magus MR-150 Media Reactor

    Bubble Magus MR-150 Media Reactor Diameter: 5 3/4" Foot Print: 7.5"x7.5" Height: 20.5" Fittings: 1"   Multipurpose filter for use with GFO, Carbon and Bio-Pellets External Chamber Capacity 4L Comes in nice color retail box

    Was: $159.99
    Now: $127.99
  •  Lifegard Turbo Media Reactor Nano - Side Flow  Lifegard Turbo Media Reactor Nano - Side Flow  Lifegard Turbo Media Reactor Nano - Side Flow  Lifegard Turbo Media Reactor Nano - Side Flow

    Lifegard

    Lifegard Turbo Media Reactor Nano - Side Flow

    Lifegard Turbo Reactors Nano Side Flow Quiet One 400 103 gph up to 75 gallons 250 ml LIFEGARD® Turbo Reactors All Lifegard Turbo Reactors are engineered to the highest quality and efficiency to promote the growth of Nitrate and Phosphate reducing...

    $125.02
  • Nyos TORQ G2 2.0 Reactor Chamber Nyos TORQ G2 2.0 Reactor Chamber Nyos TORQ G2 2.0 Reactor Chamber

    NYOS

    Nyos TORQ G2 2.0 Reactor Chamber

    Nyos TORQ G2 2.0 Reactor Chamber The Nyos® TORQ® is an innovative high-performance system reactor in a modular design for all types of filter media, such as active carbon, phosphate remover (GFO), zeolite and bio pellets. Key-Features...

    $125.00
  • IceCap 60P Medium Controllable DC Media Reactor IceCap 60P Medium Controllable DC Media Reactor IceCap 60P Medium Controllable DC Media Reactor IceCap 60P Medium Controllable DC Media Reactor IceCap 60P Medium Controllable DC Media Reactor

    IceCap

    IceCap 60P Medium Controllable DC Media Reactor

    IceCap 60P Medium Controllable DC Media Reactor IceCap User-Friendly DC Media Reactor  The IceCap Controllable 12v DC Media Reactor is the ideal device for utilizing your favorite filtration media in confined spaces typically found in All-In-One...

    $124.74
  • Bubble Magus MR-120 Media Reactor Bubble Magus MR-120 Media Reactor Bubble Magus MR-120 Media Reactor Bubble Magus MR-120 Media Reactor Bubble Magus MR-120 Media Reactor

    Bubble Magus

    Bubble Magus MR-120 Media Reactor

    Bubble Magus MR-120 Media Reactor Diameter: 4 1/2" Foot Print: 6.3"x6.3" Height: 19.3" Fittings: 3/4"     Multipurpose filter for use with GFO, Carbon and Bio-Pellets External or Internal Use Chamber Capacity 2.5L Comes in nice color retail...

    Was: $149.99
    Now: $119.99
  •  PhosBan Reactor 550

    Two Little Fishies

    PhosBan Reactor 550

    The PhosBan Reactor 550 is designed with the upflow principle to achieve the most efficient use of PhosBan or other chemical filter media...Phos Ban Media Reactor 550 by Two Little Fishes. **** PRODUCT MANUAL **** Two Little Fishies (TLF) has released...

    $119.99
  • Bubble Magus BP-130 Biopellet Media Reactor Bubble Magus BP-130 Biopellet Media Reactor Bubble Magus BP-130 Biopellet Media Reactor Bubble Magus BP-130 Biopellet Media Reactor Bubble Magus BP-130 Biopellet Media Reactor

    Bubble Magus

    Bubble Magus BP-130 Biopellet Media Reactor

    Bubble Magus BP-130 Biopellet Media Reactor BP130  Footprint: 6 3/4" x 6 3/4" Height: 19 1/2" Height without base: 15 1/4 Cylinder Diameter: 5" Fittings: 1/2" Media Chamber Volume: up to 3.5Liter / 1 Gallon Pump: WP1000, 29 Watts,...

    Was: $149.95
    Now: $119.96
  • Bashsea 4-12 Media Chamber - Blue/Black Bashsea 4-12 Media Chamber - Blue/Black Bashsea 4-12 Media Chamber - Blue/Black

    BASHSEA

    Bashsea 4-12 Media Chamber - Blue/Black

    Bashsea 4-12 Media Chamber - Blue/Black Multi-media, carbon, GFO fresh, and saltwater media reactor for aquariums up to 120 gallons. Technical Specifications: Manufacturer Bashsea Product Line Media...

    $114.99
  • Bashsea 4-12 Media Chamber - Red/Black Bashsea 4-12 Media Chamber - Red/Black Bashsea 4-12 Media Chamber - Red/Black

    BASHSEA

    Bashsea 4-12 Media Chamber - Red/Black

    Bashsea 4-12 Media Chamber - Red/Black Multi-media, carbon, GFO fresh, and saltwater media reactor for aquariums up to 120 gallons. Technical Specifications: Manufacturer Bashsea Product Line Media...

    $114.99
  • Bashsea 4-12 Media Chamber - White/Black Bashsea 4-12 Media Chamber - White/Black Bashsea 4-12 Media Chamber - White/Black

    BASHSEA

    Bashsea 4-12 Media Chamber - White/Black

    Bashsea 4-12 Media Chamber - White/Black Multi-media, carbon, GFO fresh, and saltwater media reactor for aquariums up to 120 gallons. Technical Specifications: Manufacturer Bashsea Product Line Media...

    $114.99
  • Bubble Magus BP-100  Bio-Pellet Media Reactor Bubble Magus BP-100  Bio-Pellet Media Reactor Bubble Magus BP-100  Bio-Pellet Media Reactor Bubble Magus BP-100  Bio-Pellet Media Reactor Bubble Magus BP-100  Bio-Pellet Media Reactor

    Bubble Magus

    Bubble Magus BP-100 Bio-Pellet Media Reactor

    Bubble Magus BioPellet Media Reactor BP100 Model : BP100 Pump : WP600  Power  : 220V/110V ,11W Internal volume : 1.5L  Bubble Magus BioPellet Media Reactor BP100 Model : BP100 Pump : WP600  Power  : 220V/110V...

    Was: $139.99
    Now: $111.99
  • Innovative Marine MiniMax Pro Midsize Media Reactor Innovative Marine MiniMax Pro Midsize Media Reactor Innovative Marine MiniMax Pro Midsize Media Reactor Innovative Marine MiniMax Pro Midsize Media Reactor

    Innovative Marine

    Innovative Marine MiniMax Pro Midsize Media Reactor

    Innovative Marine MiniMax Pro Midsize Media Reactor FEATURES: Bracket Dimensions: 4.13" x 3" x 1.38" All-In-One Design - for use with Bio Pellets, GFO, & Carbon Made from quality cell cast acrylic - Bracket Included Smallest Form Factor Responsive...

    $106.00
  • 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...

    $105.09
  • CDX Reactor Kit CDX Reactor Kit CDX Reactor Kit CDX Reactor Kit CDX Reactor Kit

    Two Little Fishies

    CDX Reactor Kit

    CDX Reactor Kit PhosBan Reactor 150 Two Little Fishies CDX 750 ml. - Carbon Dioxide Adsorption Media Two Little Fishies CDX Adapter for PhosBan Reactor CDX Reactor Kit The PhosBan Reactor 150 is designed with the upflow principle to achieve the...

    $102.93
  • Nyos TORQ G2 1.0 Reactor Chamber Nyos TORQ G2 1.0 Reactor Chamber Nyos TORQ G2 1.0 Reactor Chamber Nyos TORQ G2 1.0 Reactor Chamber

    NYOS

    Nyos TORQ G2 1.0 Reactor Chamber

    Nyos TORQ G2 1.0 Reactor Chamber The Nyos® TORQ® is an innovative high-performance system reactor in a modular design for all types of filter media, such as active carbon, phosphate remover (GFO), zeolite and bio pellets. Key-Features...

    $99.00