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At AquaCave, we offer some of the best selection and best prices on Aquarium Filter Media, Carbon, Biological, GFO, Biopellets for you marine, reef, and freshwater aquarium filters.

  • Seachem PhosGuard, 4 Liters Seachem PhosGuard, 4 Liters

    Seachem

    Seachem PhosGuard, 4 Liters

    Seachem PhosGuard 4 Liters. PhosGuard is a high capacity and high efficiency filtration product for removing phosphates and silicates from marine or fresh water aquaria. Unlike competing products, PhosGuard is bead-shaped for optimum flow...

    $64.99
  • DrTim's Aquatics NP-Active Pearls 900ml DrTim's Aquatics NP-Active Pearls 900ml DrTim's Aquatics NP-Active Pearls 900ml DrTim's Aquatics NP-Active Pearls 900ml DrTim's Aquatics NP-Active Pearls 900ml

    Dr. Tim's Aquatics

    DrTim's Aquatics NP-Active Pearls 900ml

    DrTim's Aquatics NP-Active Pearls 900ml A novel, innovative way, using PURE biodegradable bio-polymers, to control nitrate and phosphate in your aquarium. Specially developed for aquariums Works in ALL aquariums Safe for ALL fish and corals PURE -...

    $63.95
  •   Chemi-Pure ELITE 46.96 oz. by Boyd Enterprises

    Boyd Enterprises

    Chemi-Pure ELITE 46.96 oz. by Boyd Enterprises

    Chemi Pure ELITE 46.96 oz. by Boyd Enterprises. The Boyd Chemipure Elite has the filtration capability of the Boyd Chemipure but it's loaded with ferric oxide to help quickly get rid of phosphates and silicates. Boyd Chemipure Elite is an...

    $63.44
  • Marine Pure VAULT Marine Pure VAULT

    Marinepure

    Marine Pure VAULT

    Marine Pure VAULT Secure container to keep your MarinePure Biofilter Media safe and helps keep sump organized and easier to keep clean. Easy to assemble and it can also be used as a protein skimmer. Stackable, you can stack them together for larger...

    $59.99
  • PolypLab Genesis Rock - 4 Pack

    PolypLab

    PolypLab Genesis Rock - 4 Pack

    PolypLab Genesis Rock - 4 Pack Increase the overall filtration power of your tank by adding Genesis Rock to your system. - Designed For Fresh or Saltwater Aquariums- 23,000+ Additional Square Feet of Bacterial Space For Each Rock- 4 Rocks Included in...

    $59.99
  • PolypLab Genesis Rock Booster PolypLab Genesis Rock Booster PolypLab Genesis Rock Booster

    PolypLab

    PolypLab Genesis Rock Booster

    PolypLab Genesis Rock Booster crease the overall filtration power of your tank by adding these two Genesis Rocks and using our bacterial supplement Polyplab Genesis. - Includes (2) Genesis Rocks, (1) Bottle Genesis Bacteria- 23,000+ Additional Square...

    $59.99
  • Coconut Shell Granulated Activated Carbon, 7 lbs.

    AquaCave

    Coconut Shell Granulated Activated Carbon, 7 lbs.

    Coconut Shell Granulated Activated Carbon, 7 lbs. Coconut shell-activated carbon offers a high surface area and an extensive micro-porous structure which makes it an exceptional absorbent of molecules that are more difficult to remove. Furthermore,...

    $59.95
  • Seachem Matrix Carbon Filter Media, 2,000 ml. Seachem Matrix Carbon Filter Media, 2,000 ml.

    Seachem

    Seachem Matrix Carbon Filter Media, 2,000 ml.

    MatrixCarbon is a truly unique activated carbon. It is formed as a spherical bead for optimum hydrodynamics, and will not pack. It permits maximum water flow and contact with its high density of macroporous binding sites..Seachem Matrix Carbon Filter...

    $59.95
  • PhosBan GFO Media, 1 lbs. (454 gr.)  PhosBan GFO Media, 1 lbs. (454 gr.)

    Two Little Fishes

    PhosBan GFO Media, 1 lbs. (454 gr.)

    PhosBan Media by Two Little Fishes, 454 gr.This granular ferric oxide hydroxide adsorbs phosphates from saltwater and freshwater. Also adsorbs silicates and dissolved organics. Does not leach adsorbed substances. Long lasting and easy way to control...

    $59.23
  •  Seachem PhosNet 500 gr.  Seachem PhosNet 500 gr.

    Seachem

    Seachem PhosNet 500 gr.

    Seachem PhosNet 500 gr. PhosNet™ is a granular ferric oxide (GFO) with high porosity, high surface area and high binding capacity. It will rapidly remove phosphates and silicates from both freshwater and saltwater and will not release them back into...

    $57.99
  • Seachem Purigen Filter Media, 1,000 ml. Seachem Purigen Filter Media, 1,000 ml.

    Seachem

    Seachem Purigen Filter Media, 1,000 ml.

    Seachem Purigen Filter Media, 1,000 ml.Purigen™ is a premium synthetic adsorbent that is unlike any other filtration product. It is not a mixture of ion exchangers or adsorbents, but a unique macro-porous synthetic polymer that removes soluble and...

    $57.99
  • Two Little Fishes HydroCarbon, 4 Liter

    Two Little Fishes

    Two Little Fishes HydroCarbon, 4 Liter

    MatrixCarbon is a truly unique activated carbon. It is formed as a spherical bead for optimum hydrodynamics, and will not pack. It permits maximum water flow and contact with its high density of macroporous binding sites..Two Little Fishes HydroCarbon, 4...

    $56.94
  •   PURA GFO Phos-Lock Filter Media, 2.5 lbs. (1,135 gr.)

    Magnavore

    PURA GFO Phos-Lock Filter Media, 2.5 lbs. (1,135 gr.)

    PhosLock is the benchmark German made ferric hydroxide media for total phosphate removal in all aquaria. Used all over the world, it is the product of choice for many critical water purity applications.PURA Phos-Lock Filter Media, 1,135 gr.  ****...

    $55.95
  • Boyds Chemi-Pure 10 oz. Bulk 6 Pack Boyds Chemi-Pure 10 oz. Bulk 6 Pack

    Boyd Enterprises

    Boyds Chemi-Pure 10 oz. Bulk 6 Pack

    Boyds Chemi-Pure 10 oz. Bulk 6 Pack Boyd Chemipure is an easy-to-use filter media which contains activated carbons and ion exchange resins that remove waste and nitrogen build-up in your tank. Dissolved organic food waste, animal waste and other...

    $50.99
  • PolypLab Genesis Rock PolypLab Genesis Rock

    PolypLab

    PolypLab Genesis Rock

    PolypLab Genesis Rock Increase the overall filtration power of your tank by adding Genesis Rock to your system.  -Designed For Fresh or Saltwater Aquariums-23,000+ Additional Square Feet of Bacterial Space For Each Rock-2 Rocks Included in Set-Reduces...

    $49.99
  • ATB Bio-Pellets 1000 ml. ATB Bio-Pellets 1000 ml.

    AquaCave

    ATB Bio-Pellets 1000 ml.

    ATB Bio-Pellets 1000 ml. The ATB’s Bio Pellets are composed of biologically degradable polymers that are best to use with a media reactor. The pellets will allow aerobic growth of bacteria which consequently will consume nitrate and...

    $49.95
  • ROWAphos GFO Phosphate Removal Media, 1,000 ml. ROWAphos GFO Phosphate Removal Media, 1,000 ml.

    RowaPhos

    ROWAphos GFO Phosphate Removal Media, 1,000 ml.

    ROWAphos Phosphate Removal Media, 1,000 ml. ROWA®phos is a completely new filter material for eliminating phosphate, which was developed by the Weil Industrieanlagen GmbH company in Osnabrück, Germany. Due to its unique chemistry, it...

    $49.95
  • Chemi-Pure Boyd Elite 6.5oz Bulk 6 pack

    Boyd Enterprises

    Chemi-Pure Boyd Elite 6.5oz Bulk 6 pack

    Chemi-Pure Boyd Elite 6.5oz Bulk 6 pack Chemi-pure is still a very revolutionary product, and practically all aquarium filter mediums have been patterned after it! Over the years Boyd Enterprises has continually upgraded Chemi-pure with better...

    $48.37
  • BlueLife Clear FX PRO 450ml

    BlueLife

    BlueLife Clear FX PRO 450ml

    BlueLife Clear FX PRO 450ml CLEAR FX PRO is the most advanced all-in-one filtration media available on the market. Our cutting edge technology is compatible with both fresh and saltwater aquariums of all sizes. The easy to use media is the most...

    $45.50
  • BlueLife Clear FX REEF 450 ml

    BlueLife

    BlueLife Clear FX REEF 450 ml

    BlueLife Clear FX REEF 450 ml Clear Fx Reef is an advanced comprehensive filter media for Reef Aquariums which can be used to ensure the health, clarity, and stability of your reef aquarium. This specialized reef filtration media uses cutting edge...

    $45.50
  • Poly Bio Marine Poly Filter Pad 12" x 12" Poly Bio Marine Poly Filter Pad 12" x 12"

    Poly Bio Marine Inc.

    Poly Bio Marine Poly Filter Pad 12" x 12"

    Poly Bio Marine Poly Filter Pad 12" x 12"The POLY-FILTER is for filtering and purifying both fresh and salt water aquariums. It is a formulation of a special patented material bonded to a synthetic matrix. By means of a unique proprietary process, the...

    $44.99
  • PolypLab Pro-Carbon 4000 ml. PolypLab Pro-Carbon 4000 ml.

    PolypLab

    PolypLab Pro-Carbon 4000 ml.

    PolypLab Pro-Carbon 4000 ml. (approx. 4 lbs.) High-performance activated carbon for crystal clear water in fresh-water and salt-water aquariums. PolypLab Pro Carbon is is an ultra high performance activated carbon manufactured under the most strict...

    $42.99
  • Boyd's Grande Chemi-Pure 40 Oz. Boyd's Grande Chemi-Pure 40 Oz. Boyd's Grande Chemi-Pure 40 Oz.

    Boyd Enterprises

    Boyd's Grande Chemi-Pure 40 Oz.

    Boyd's Grande Chemi-Pure 40 Oz. By combining premium pelletized carbon with specialized ion-exchange resins and placing these inside of a fine-mesh nylon media bag, Chemi-Pure delivers a convenient and effective way to rapidly remove organic compounds...

    $41.11
  • Seachem PhosBond 1 Liter. Seachem PhosBond 1 Liter.

    Seachem

    Seachem PhosBond 1 Liter.

    Seachem PhosBond 1 Liter. Seachem’s PhosBond revolutionizes phosphate and silicate removal through a synergistic fusion of granular ferric oxide (GFO) and aluminuum oxide. This synergistic blend combines the best of both types of phosphate removers to...

    $40.99
  • CoralVue GFO 64 FL OZ.

    CoralVue

    CoralVue GFO 64 FL OZ.

    Phosphate Adsorption Media for Fresh and Marine AquariumsGranular Ferric Oxide commonly refereed to as GFO ideally suited for filtering out phosphate from the water column which promotes better coral growth and helps prevent algae outbreaks. This medias...

    $39.99
  • Seachem Matrix Bio Filtration Media, 4000 ml. Seachem Matrix Bio Filtration Media, 4000 ml.

    Seachem

    Seachem Matrix Bio Filtration Media, 4000 ml.

    Seachem Matrix Bio Filtration Media, 4000 ml. Matrix is a high porosity biomedia that provides efficient biofiltration for the removal of nitrogenous waste. Matrix media is a porous inorganic solid with an average particle size of about 10 mm in...

    $39.99
  • Coconut Shell Granulated Activated Carbon, 3 lbs.

    AquaCave

    Coconut Shell Granulated Activated Carbon, 3 lbs.

    Coconut Shell Granulated Activated Carbon, 3 lbs. Coconut shell-activated carbon offers a high surface area and an extensive micro-porous structure which makes it an exceptional absorbent of molecules that are more difficult to remove. Furthermore,...

    $39.95
  • ESV Granular Activated Carbon, 3.5 lb. ESV Granular Activated Carbon, 3.5 lb.

    E.S.V.

    ESV Granular Activated Carbon, 3.5 lb.

    ESV Granular Activated Carbon, 3.5 lb.ESV Granular Activated Carbon based on bituminous coal provides the best combination of pore size, large particle size, high surface area, low ash, and hardness for chemically filtering aquarium water. In addition,...

    $39.95
  • Tropic Marin NP-Bacto-Pellets, 500 ml. Tropic Marin NP-Bacto-Pellets, 500 ml.

    Tropic Marin

    Tropic Marin NP-Bacto-Pellets, 500 ml.

    Tropic Marin NP-Bacto-Pellets, 500 ml. An easy to use, biodegradable filter media for the effective removal of nitrates and phosphates For the most natural environment in the reef aquarium it is important to pay close attention to the mineral and...

    $39.95
  • Tropic Marin NP Bacto Balance 1000 ml. Tropic Marin NP Bacto Balance 1000 ml.

    Tropic Marin

    Tropic Marin NP Bacto Balance 1000 ml.

    Tropic Marin NP Bacto Balance 1000 ml. Mixture of selected organic compounds to promote the incorporation of nitrate and phosphate in supplementary biomass. The ratio of nutrients is ideal for corals, sponges and other invertebrate animals found in...

    $39.04
  •  AquaMedic AntiPhos FE GFO Media 1000 ml.

    AquaMedic AntiPhos FE GFO Media 1000 ml.

    Antiphos FE is an ideal media for selectively extracting phosphate from aquarium water, helping to reduce and prevent nuisance algal growth...Antiphos FE is an ideal media for selectively extracting phosphate from aquarium water, helping to reduce and...

    $38.95
  • Seachem CupriSorb 500 ml. Seachem CupriSorb 500 ml.

    Seachem

    Seachem CupriSorb 500 ml.

    Seachem CupriSorb 500 ml. CupriSorb is a powerful adsorbent of copper and heavy metals. CupriSorb will remove copper more rapidly and efficiently than carbon and is ideal for emergency copper removal. CupriSorb is a copper specific chelating resin...

    $38.95
  • Brightwell Aquatics Carbonit-X3,  450 gr. / 15.9 oz.

    Brightwell Aquatics

    Brightwell Aquatics Carbonit-X3, 450 gr. / 15.9 oz.

    Brightwell Aquatics Carbonit-X3, Triple-Action Activated Carbon Rapidly Removes Ammonia, Chlorines & Enhances ORP Activated carbon is a catch-all name for products that may be derived from coal, wood, or coconut shell, and which have undergone treatment...

    $37.95
  •   PURA GFO Phos-Lock Filter Media, 1.75 lbs. (795 gr.)

    Magnavore

    PURA GFO Phos-Lock Filter Media, 1.75 lbs. (795 gr.)

    PhosLock is the benchmark German made ferric hydroxide media for total phosphate removal in all aquaria. Used all over the world, it is the product of choice for many critical water purity applications.PURA Phos-Lock Filter Media, 795 gr.  ****...

    $35.95
  • Maxspect Phosphree 500 ml. Maxspect Phosphree 500 ml. Maxspect Phosphree 500 ml. Maxspect Phosphree 500 ml.

    Maxspect Mazarra

    Maxspect Phosphree 500 ml.

    Maxspect Phosphree 500 ml. A polymer phosphate removal resin that is chemically stable and will not leak any metal ions into the water column like metal-based absorbents. Available in 250ml and 500ml sizes. Slow absorption phosphate removal resin that...

    $32.99
  • ROWAphos GFO Phosphate Removal Media, 500 ml.      ROWAphos GFO Phosphate Removal Media, 500 ml.

    RowaPhos

    ROWAphos GFO Phosphate Removal Media, 500 ml.

    ROWAphos Phosphate Removal Media, 500 ml. ROWA®phos is a completely new filter material for eliminating phosphate, which was developed by the Weil Industrieanlagen GmbH company in Osnabrück, Germany. Due to its unique chemistry, it...

    $32.95