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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 2 Liters. Seachem PhosGuard 2 Liters.

    Seachem

    Seachem PhosGuard 2 Liters.

    Seachem PhosGuard 2 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...

    $32.30
  • BlueLife Clear FX PRO 225ml

    BlueLife

    BlueLife Clear FX PRO 225ml

    BlueLife Clear FX PRO 225ml 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...

    $31.04
  • BlueLife Clear FX REEF 225ml

    BlueLife

    BlueLife Clear FX REEF 225ml

    BlueLife Clear FX REEF 225ml 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...

    $31.04
  • Seachem PhosNet 250 gr. Seachem PhosNet 250 gr.

    Seachem

    Seachem PhosNet 250 gr.

    Seachem PhosNet 250 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...

    $30.99
  • DrTim's Aquatics NP-Active Pearls 450ml DrTim's Aquatics NP-Active Pearls 450ml DrTim's Aquatics NP-Active Pearls 450ml DrTim's Aquatics NP-Active Pearls 450ml DrTim's Aquatics NP-Active Pearls 450ml

    Dr. Tim's Aquatics

    DrTim's Aquatics NP-Active Pearls 450ml

    DrTim's Aquatics NP-Active Pearls 450ml 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 -...

    $30.95
  • Fluval Bio-FX Media 5L Fluval Bio-FX Media 5L Fluval Bio-FX Media 5L Fluval Bio-FX Media 5L Fluval Bio-FX Media 5L

    Fluval

    Fluval Bio-FX Media 5L

    Fluval Bio-FX Media 5L BIO-FX is a premium biological media designed for use with canister filters and sumps of all sizes, including Fluval’s flagship FX series. Featuring a deep pore structure with interconnected micro-tunnels, BIO-FX offers a vast...

    $39.99
    $29.99
  • PURA Filtration Pad, Large 15" x 30"

    Magnavore

    PURA Filtration Pad, Large 15" x 30"

    PURA Filtration Pad, Large 15" x 30"PÛRA Filtration Pads offer the same broad-spectrum filtration capabilities as PÛRA Complete in a simple to use filtration pad form. In addition to heavy-duty chemical filtration, PÛRA Filtration...

    $29.99
  • Seachem Purigen Filter Media, 500 ml. Seachem Purigen Filter Media, 500 ml.

    Seachem

    Seachem Purigen Filter Media, 500 ml.

    Seachem Purigen Filter Media, 500 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...

    $29.99
  • ATB Bio-Pellets 500 ml. ATB Bio-Pellets 500 ml.

    AquaCave

    ATB Bio-Pellets 500 ml.

    ATB Bio-Pellets 500 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...

    $29.95
  • Fritz Pro Carbon AG (Activated Granular) 793 gr. Fritz Pro Carbon AG (Activated Granular) 793 gr.

    Fritz

    Fritz Pro Carbon AG (Activated Granular) 793 gr.

    Fritz Pro Carbon AG (Activated Granular) 793 gr. Fritz Carbon AG is a high-quality, 4x8 mesh granular, activated carbon ideal for use in fresh or saltwater aquariums with all types of filters. Fritz Carbon AG removes dissolved organic compounds (DOC),...

    $29.95
  • Fritz Pro Carbon AP (Activated Pellet) 793 gr. Fritz Pro Carbon AP (Activated Pellet) 793 gr.

    Fritz

    Fritz Pro Carbon AP (Activated Pellet) 793 gr.

    Fritz Pro Carbon AP (Activated Pellet) 793 gr. Fritz Carbon AP is a high-quality, 4mm pelletized, activated carbon ideal for use in fresh or saltwater aquariums. Fritz Pro Carbon AP (Activated Pellet) 793 gr. Fritz Carbon AP is a high-quality, 4mm...

    $29.95
  • PURA Complete 32 fl. oz. Treats 200 gal. PURA Complete 32 fl. oz. Treats 200 gal.

    Magnavore

    PURA Complete 32 fl. oz. Treats 200 gal.

    PURA Complete 32 fl. oz. Treats 200 gal. PÛRA Complete is a blended media that provides the most complete aquarium pollutant control at low cost. Blended with 25% PhosLock for total phosphate and silicate control, virgin bituminous acid washed...

    $29.95
  • Seachem Matrix Carbon Filter Media, 1,000 ml. Seachem Matrix Carbon Filter Media, 1,000 ml.

    Seachem

    Seachem Matrix Carbon Filter Media, 1,000 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...

    $29.95
  • Sera Super Activated Carbon, 2.2 lb.

    Sera

    Sera Super Activated Carbon, 2.2 lb.

    Sera Super Activated Carbon, 2.2 lb.Quickly and reliably absorbs toxic substances and colorants from the aquarium water. The yellowish tint of the aquarium water disappears. The water becomes crystal clear. sera super carbon does not affect the pH value...

    $29.95
  • Your Choice Aquatics - Bio Plate Filter Media Your Choice Aquatics - Bio Plate Filter Media Your Choice Aquatics - Bio Plate Filter Media

    Your Choice Aquatic

    Your Choice Aquatics - Bio Plate Filter Media

    Your Choice Aquatics - Bio Plate Filter Media High-Performance Bio Filter Media   - Increased Beneficial Bacteria Colonies - Helped Reduced Phosphates and Nitrates - Large Surface Growing Bacteria, Approximately 10,500sqft Per Plate - Safe For...

    $29.95
  • Seachem Matrix Bio Filtration Media, 2000 ml. Seachem Matrix Bio Filtration Media, 2000 ml.

    Seachem

    Seachem Matrix Bio Filtration Media, 2000 ml.

    Seachem Matrix Bio Filtration Media, 2000 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...

    $25.99
  • Tropic Marin NP Bacto Balance 500 ml. Tropic Marin NP Bacto Balance 500 ml.

    Tropic Marin

    Tropic Marin NP Bacto Balance 500 ml.

    Tropic Marin NP Bacto Balance 500 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 reef...

    $25.49
  •   PURA GFO Phos-Lock Filter Media, 1 lbs. (454 gr.)

    Magnavore

    PURA GFO Phos-Lock Filter Media, 1 lbs. (454 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, 454 gr.  ****...

    $24.95
  • Brightwell Aquatics Carbonit-P, 500 gr. / 1.1 lb.

    Brightwell Aquatics

    Brightwell Aquatics Carbonit-P, 500 gr. / 1.1 lb.

    Premium quality activated carbon, offering desirablephysical and chemical characteristics for application in allmarine and freshwater aquaria.Brightwell Aquatics Carbonit-P, 500 gr. / 1.1 lb.* Premium quality activated carbon, offering desirable physical...

    $24.95
  • Seachem PhosBond 500 gr. Seachem PhosBond 500 gr.

    Seachem

    Seachem PhosBond 500 gr.

    Seachem PhosBond 500 gr. 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...

    $24.49
  • Brightwell Aquatics Carbonit-X3,  225 gr. / 7.9 oz.

    Brightwell Aquatics

    Brightwell Aquatics Carbonit-X3, 225 gr. / 7.9 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...

    $23.95
  • CoralVue GFO 32 fl. oz.

    CoralVue

    CoralVue GFO 32 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...

    $22.95
  •    PhosBan GFO Media, 0.33 lbs. (150 gr.)     PhosBan GFO Media, 0.33 lbs. (150 gr.)

    Two Little Fishes

    PhosBan GFO Media, 0.33 lbs. (150 gr.)

    This granular ferric oxide hydroxide adsorbs phosphates from saltwater and freshwater. Also adsorbs silicates and dissolved organics...PhosBan Media by Two Little Fishes, 150 gr.This granular ferric oxide hydroxide adsorbs phosphates from saltwater and...

    $22.65
  • Brightwell Aquatics NeoMag, 1 kg. / 2.2 lbs.

    Brightwell Aquatics

    Brightwell Aquatics NeoMag, 1 kg. / 2.2 lbs.

    Brightwell Aquatics NeoMag, 1 kg. / 2.2 lbs. * High-purity, magnesium-rich mineral DOLOMITE that may be employed in traditional calcium reactors, or even blended in to pre-existing aquarium substratum, to gradually increase and maintain the magnesium...

    $21.95
  • ROWAphos GFO Phosphate Removal Media, 250 ml. ROWAphos GFO Phosphate Removal Media, 250 ml.

    RowaPhos

    ROWAphos GFO Phosphate Removal Media, 250 ml.

    ROWAphos Phosphate Removal Media, 250 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...

    $21.95
  • Seachem CupriSorb 250 ml. Seachem CupriSorb 250 ml.

    Seachem

    Seachem CupriSorb 250 ml.

    Seachem CupriSorb 250 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...

    $21.95
  •   Boyds Chemi-Pure Blue 11 oz      Boyds Chemi-Pure Blue 11 oz

    Boyd Enterprises

    Boyds Chemi-Pure Blue 11 oz

    Boyds Chemi-Pure Blue 11 oz.Chemi-pure Blue is specially created for fantastic results in reef and marine aquariums. Our NEW proprietary blend of premium, low-dust pelleted carbon and high capacity ion-exchange resins are skillfully combined to create a...

    $20.53
  • Eshopps Bio Balls - 100 Count

    Eshopps

    Eshopps Bio Balls - 100 Count

    Eshopps Bio Balls - 100 Count Bio Balls are perfect homes for your beneficial bacteria. It has been used by aquarists for a very long time and many still does. As it has been proven to be very effective and when used properly creates the best growth for...

    $19.99
  • PolypLab Activated Carbon 1000 ml. PolypLab Activated Carbon 1000 ml.

    PolypLab

    PolypLab Activated Carbon 1000 ml.

    PolypLab Activated Carbon 1000 ml. 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 quality...

    $19.99
  • PURA Complete 16 fl. oz. Treats 100 gal. PURA Complete 16 fl. oz. Treats 100 gal.

    Magnavore

    PURA Complete 16 fl. oz. Treats 100 gal.

    PURA Complete 16 fl. oz. Treats 100 gal.  PÛRA Complete is a blended media that provides the most complete aquarium pollutant control at low cost. Blended with 25% PhosLock for total phosphate and silicate control, virgin bituminous acid...

    $19.95
  • Seachem PhosNet 125 gr. Seachem PhosNet 125 gr.

    Seachem

    Seachem PhosNet 125 gr.

    Seachem PhosNet 125 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...

    $18.99
  • Fluval Activated Carbon, 100 gr., 3 Pack Fluval Activated Carbon, 100 gr., 3 Pack

    Fluval

    Fluval Activated Carbon, 100 gr., 3 Pack

    Fluval Activated Carbon, 100 gr., 3 Pack Chemical filter media Removes trace metals toxic to sensitive fish, organic contaminants, discolorations and odors Creates sparkling, crystal clear water Made of bituminous carbon – long lasting, highly...

    $18.95
  • Boyds Chemi-Pure Green 11 oz. Boyds Chemi-Pure Green 11 oz.

    Boyd Enterprises

    Boyds Chemi-Pure Green 11 oz.

    Boyds ChemiPure Green 11 oz. Activated carbon with ion-exchange resins This enhances plant growth and clarifies water Suitable for freshwater & planted aquariums Stabilises your pH and macronutrient levels Will not strip aquarium micro/macro...

    $18.48
  • Seachem PhosGuard 1 Liter. Seachem PhosGuard 1 Liter.

    Seachem

    Seachem PhosGuard 1 Liter.

    Seachem PhosGuard 1 Liter. 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 characteristics...

    $18.22
  • Maxspect Phosphree 250 ml. Maxspect Phosphree 250 ml. Maxspect Phosphree 250 ml. Maxspect Phosphree 250 ml.

    Maxspect Mazarra

    Maxspect Phosphree 250 ml.

    Maxspect Phosphree 250 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...

    $17.99
  • Seachem Matrix Carbon Filter Media, 500 ml. Seachem Matrix Carbon Filter Media, 500 ml.

    Seachem

    Seachem Matrix Carbon Filter Media, 500 ml.

    Seachem Matrix Carbon Filter Media, 500 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...

    $17.95
  • Two Little Fishes HydroCarbon, 1 Liter

    Two Little Fishes

    Two Little Fishes HydroCarbon, 1 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, 1...

    $17.85
  • Chemi-Pure ELITE 11.74 oz. by Boyd Enterprises

    Boyd Enterprises

    Chemi-Pure ELITE 11.74 oz. by Boyd Enterprises

    Chemi Pure ELITE 11.74 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...

    $17.11
  • ESV Granular Activated Carbon, 15 oz. ESV Granular Activated Carbon, 15 oz.

    E.S.V.

    ESV Granular Activated Carbon, 15 oz.

    ESV Granular Activated Carbon, 15 oz.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,...

    $16.95
  • Fluval Biomax, 500 gr. by Hagen

    Fluval

    Fluval Biomax, 500 gr. by Hagen

    BioMax filter media are inert ceramic rings that are capable of supporting large populations of water purifying bacteria. Composed of a variety of channels and tunnels, the multitude of tiny pores can support these colonies of beneficial bacteria. BioMax...

    $16.95
  • SERA Filter Wool Mechanical Filter Media, 17.6 oz

    Sera

    SERA Filter Wool Mechanical Filter Media, 17.6 oz

    SERA Filter Wool Mechanical Filter Media, 17.6 oz.Economical filter medium for fresh and salt water aquariums. sera filter wool is suitable for internal and external filters and can be washed out several times. It is very stable and retains...

    $16.95
  • Skimz PUR Carbon, 500 ml. Skimz PUR Carbon, 500 ml.

    Skimz

    Skimz PUR Carbon, 500 ml.

    Skimz PUR Carbon, 500 ml. Skimz PurCarbon is a high performance activated carbon with superior pore space, ideally suited to remove dissolved organic waste, foul odours, toxins and water discoloration (yellow tint) from the water leaving your aquarium...

    $16.95
  • AquaTech Premium Carbon, 1.5 lb./681 gr.

    Aqua-Tech Co.

    AquaTech Premium Carbon, 1.5 lb./681 gr.

    AquaTech Premium Carbon, 1.5 lb./681 gr.CRYSTAL CLEAR WATERAll carbon is not created equal. Clearly CARBON is bituminous (coal based), the most highly regarded form of carbon for the aquarium and water reclamation industries. Clearly CARBON exceeds...

    $15.95
  • Seachem PhosNet 50 ml. Bagged Seachem PhosNet 50 ml. Bagged

    Seachem

    Seachem PhosNet 50 ml. Bagged

    Seachem PhosNet 50 ml. Bagged 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...

    $14.99
  • BIO BALE ( White) 1 gal. - CPR Aquatics

    CPR

    BIO BALE ( White) 1 gal. - CPR Aquatics

    From the large Aquaculture industry to the home hobbyist, Bio-BaleTM is the filter medium of choice for professionals. Simple in concept, Bio-BaleTM owes its extreme effectiveness to its high surface area versus volume and its unique surface texture......

    $14.95
  • DrTim's Aquatics NP-Active Pearls 150ml DrTim's Aquatics NP-Active Pearls 150ml DrTim's Aquatics NP-Active Pearls 150ml DrTim's Aquatics NP-Active Pearls 150ml DrTim's Aquatics NP-Active Pearls 150ml

    Dr. Tim's Aquatics

    DrTim's Aquatics NP-Active Pearls 150ml

    DrTim's Aquatics NP-Active Pearls 150ml 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 -...

    $14.95
  • Fluval Pre-Filter Media750 gr.

    Fluval

    Fluval Pre-Filter Media750 gr.

    Fluval Pre-Filter consists of inert, solid ceramic rings used to trap large and medium solid particles before they clog the finer sieves of the media baskets above...Fluval Pre-Filter consists of inert, solid ceramic rings used to trap large and medium...

    $14.95
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