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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.

  • Two Little Fishes HydroCarbon, 1 Liter

    Two Little Fishies

    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
  • Sera Super-Activ Peat Granulate, 500gr.

    Sera

    Sera Super-Activ Peat Granulate, 500gr.

    Sera Super Activ black peat granulate stabilizes the pH value in the slightly acidic range and creates the correct water conditions for all ornamental fish from Southern America, Western Africa and Asia such as discus, characins, catfish, barbs and...

    $16.99
  • 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
  • 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
  • Fluval Zeo-Carb, 150 gr. 3 Pack Fluval Zeo-Carb, 150 gr. 3 Pack

    Fluval

    Fluval Zeo-Carb, 150 gr. 3 Pack

    Fluval Zeo-Carb, 150 gr. 3 Pack Features Chemical filter media Frees up space inside the filter to include additional media if desired Helps create clean and healthy water conditions Mesh bag included for use in sumps and large filters

    $14.99
  • Reef Endurance Aquarium Carbon 1/4 Gallon Reef Endurance Aquarium Carbon 1/4 Gallon Reef Endurance Aquarium Carbon 1/4 Gallon Reef Endurance Aquarium Carbon 1/4 Gallon

    Reef Endurance

    Reef Endurance Aquarium Carbon 1/4 Gallon

    Reef Endurance Aquarium Carbon 1/4 Gallon Virgin Coal-based Granular Activated Carbon Derived from virgin coal this is a large Granular Activated Carbon (GAC) with high surface area and low dust characteristics. Use to remove discoloration, odors and...

    $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
  • 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
  • PURA Complete 8 fl. oz. Treats 50 gal. PURA Complete 8 fl. oz. Treats 50 gal.

    Magnavore

    PURA Complete 8 fl. oz. Treats 50 gal.

    PURA Complete 8 fl. oz. Treats 50 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...

    $14.95
  • Seachem Matrix Bio Filtration Media, 1,000 ml.

    Seachem

    Seachem Matrix Bio Filtration Media, 1,000 ml.

    Seachem Matrix Bio Filtration Media, 1,000 ml. Matrix™ is a highly porous media designed to provide exceptionally efficient biofiltration for single site removal of ammonia, nitrite, and nitrate from freshwater, marine, and reef aquaria. Each...

    $14.95
  •    ROWAphos GFO Phosphate Removal Media, 100 ml.         ROWAphos GFO Phosphate Removal Media, 100 ml.

    RowaPhos

    ROWAphos GFO Phosphate Removal Media, 100 ml.

    ROWAphos is a completely new filter material for eliminating phosphate, which was developed by the Weil Industrieanlagen GmbH company in Osnabrck, Germany...ROWAphos Phosphate Removal Media, 100 ml.ROWA®phos is a completely new filter material...

    $14.45
  • PolypLab Activated Carbon 500 ml. PolypLab Activated Carbon 500 ml.

    PolypLab

    PolypLab Activated Carbon 500 ml.

    PolypLab Activated Carbon 500 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 controls...

    $13.99
  • ChemiPure Blue Nano Pouch (5 Nano Packets)

    Boyd Enterprises

    Chemi-Pure Blue Nano Pouch (5 Nano Packets)

    ChemiPure Blue Nano Pouch (5 Nano Packets) NEW Chemi-Pure Blue Nano, in conveniently sized 2" x 2" nylon packets, offers the ultimate in customizable filtration. Use with small desktop or nano aquariums or supplement existing media utilized in...

    $13.34
  • Prefilter Foam Square, Large Prefilter Foam Square, Large

    Eshopps

    Prefilter Foam Square, Large

    Prefilter Foam Square, LargeDimensions: 13 1/4" x 3 7/8" x 2 1/8"Prefilter Foam Square, LargeDimensions: 13 1/4" x 3 7/8" x 2 1/8"Product code: 1790Item No. FT-ES-19070

    $12.99
  • Poly-Tech Super Pro GFO Filter Pad MARINE 6" x 12" Poly-Tech Super Pro GFO Filter Pad MARINE 6" x 12"

    Poly-Tech Super Pro GFO Filter Pad MARINE 6" x 12"

    Poly-Tech Super Pro Filter Pad MARINE 6" x 12"Total Chemical Waste and Pollutant Filtration in a Reusable 6" x 12" PadPoly-Tech Super Filter is an innovative filtration pad utilizing polymeric media, ferric-oxide-hydroxide, and ionic exchangers in an...

    $12.95
  • Fluval Ammonia Remover 540g. / 3x 180 gr. Fluval Ammonia Remover 540g. / 3x 180 gr.

    Fluval

    Fluval Ammonia Remover 540g. / 3 x 180 gr.

    Fluval Ammonia Remover 540g. / 3x 180 gr. Features Chemical filter media Controlling ammonia levels creates a safe environment and reduces stress on fish Particularly useful when setting up a new aquarium or for those with heavy fish stock Mesh bag...

    $12.95
  • Seachem Cuprisorb 100 ml. Bagged Seachem Cuprisorb 100 ml. Bagged

    Seachem

    Seachem Cuprisorb 100 ml. Bagged

    Seachem Cuprisorb 100 ml. Bagged CupriSorb� is a narrow spectrum, synthetic adsorbent based filter material for removing copper and heavy metals from either freshwater or marine water. It extracts all types of copper, including chelated copper, and...

    $12.95
  •  Seachem PhosGuard 500 ml.  Seachem PhosGuard 500 ml.

    Seachem

    Seachem PhosGuard 500 ml.

    Seachem PhosGuard 500 ml. 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...

    $12.50
  •   Boyds Chemi-Pure Blue 5.5 oz      Boyds Chemi-Pure Blue 5.5 oz      Boyds Chemi-Pure Blue 5.5 oz

    Boyd Enterprises

    Boyds Chemi-Pure Blue 5.5 oz

    Boyds Chemi-Pure Blue 5.5 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...

    $12.31
  •  Boyd Chemi-pure Green Nano (5 pack)  Boyd Chemi-pure Green Nano (5 pack)

    Boyd Enterprises

    Boyd Chemi-pure Green Nano (5 pack)

    Boyd Chemi-pure Green Nano (5 pack) Chemi-pure Green is the ultimate all-in-one filtration media for freshwater planted aquariums. Conveniently packaged in an easy to use nylon bag, Chemi-pure Green is formulated to offer superior filtration without...

    $12.01
  • SERA Filter Wool Mechanical Filter Media, 8.8 oz

    Sera

    SERA Filter Wool Mechanical Filter Media, 8.8 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.SERA Filter Wool Mechanical Filter Media, 8.8 oz.Economical filter medium for fresh and salt...

    $11.99
  • Fritz Pro Carbon AG (Activated Granular) 226 gr. Fritz Pro Carbon AG (Activated Granular) 226 gr.

    Fritz

    Fritz Pro Carbon AG (Activated Granular) 226 gr.

    Fritz Pro Carbon AG (Activated Granular) 226 gr. ritz 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),...

    $11.95
  • Fritz Pro Carbon AP (Activated Pellet) 226 gr. Fritz Pro Carbon AP (Activated Pellet) 226 gr.

    Fritz

    Fritz Pro Carbon AP (Activated Pellet) 226 gr.

    Fritz Pro Carbon AP (Activated Pellet) 226 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) 226 gr. Fritz Carbon AP is a high-quality,...

    $11.95
  • PURA Carbon 900 ml. Hydrated, Acid Washed

    Magnavore

    PURA Carbon 900 ml. Hydrated, Acid Washed

    PURA Carbon 900 ml. Hydrated, Acid Washed. **** PRODUCT INFORMATION **** **** PRODUCT MANUAL **** PÛRA Carbon is an acid washed, virgin, activated carbon made from the highest select grades of bituminous coal and specifically designed for liquid...

    $11.95
  • 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...

    $11.94
  • Pre-filter Foam Round, Large

    Eshopps

    Pre-filter Foam Round, Large

    Pre-filter Foam Round, Large Dimensions: 7" Long x 3" dia. 1" hole dia. Pre-filter Foam Round, Large Dimensions: 7" Long x 3" dia. 1" hole dia. Product code: 1789Item No. FT-ES-19055

    $10.99
  • Seachem PhosBond 100 ml. Bagged Seachem PhosBond 100 ml. Bagged

    Seachem

    Seachem PhosBond 100 ml. Bagged

    Seachem PhosBond 100 ml. Bagged 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...

    $10.99
  •   PURA GFO Phos-Lock Filter Media, 0.33 lbs. (150 gr.)

    Magnavore

    PURA GFO Phos-Lock Filter Media, 0.33 lbs. (150 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, 150 gr.  ****...

    $10.95
  •   Chemi-Pure 10 oz by Boyd Enterprises

    Boyd Enterprises

    Chemi-Pure 10 oz by Boyd Enterprises

    Chemi Pure 10 oz by Boyd Enterprises 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...

    $10.66
  •   Chemi-Pure ELITE 6 oz. by Boyd Enterprises

    Boyd Enterprises

    Chemi-Pure ELITE 6 oz. by Boyd Enterprises

    Chemi Pure ELITE 6 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 easy-to-use...

    $10.66
  • Boyds Chemi-Pure Green 5.5 oz.    Boyds Chemi-Pure Green 5.5 oz.

    Boyd Enterprises

    Boyds Chemi-Pure Green 5.5 oz.

    Boyds ChemiPure Green 5.5 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...

    $10.60
  • Seachem Purigen 100 ml. Bagged

    Seachem

    Seachem Purigen 100 ml. Bagged

    Seachem Purigen 100 ml. Bagged Purigen Product Description 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...

    $10.59
  • Poly Bio Marine Poly Filter Pad 4" x 8"

    Poly Bio Marine Inc.

    Poly Bio Marine Poly Filter Pad 4" x 8"

    Poly Bio Marine Poly Filter Pad 4" x 8"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...

    $9.99
  • PURA Filtration Pad, Small 7.5" x 10.5"

    Magnavore

    PURA Filtration Pad, Small 7.5" x 10.5"

    PURA Filtration Pad, Small 7.5" x 10.5"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...

    $9.99
  • Prefilter Foam Round, Small

    Eshopps

    Prefilter Foam Round, Small

    Prefilter Foam Round, SmallDimensions: 7" Long x 2 3/8" dia. 1" hole dia. Prefilter Foam Round, SmallDimensions: 7" Long x 2 3/8" dia. 1" hole dia. Product code: 1788Item No. FT-ES-19050

    $8.99
  • Acurel Ammonia Remover Infused Pad 10x18" Acurel Ammonia Remover Infused Pad 10x18"

    Acurel Ammonia Remover Infused Pad 10x18"

    Acurel Ammonia Remover Infused Pad 10x18" Ammonia Remover Infused Pads are specially infused with ammonia-absorbing particles that pull harmful ammonia from your aquarium or pond water.Like all our infused media pads, our long-lasting polyfiber material...

    $8.95
  • Acurel Carbon Infused Media Pad 10x18" Acurel Carbon Infused Media Pad 10x18"

    Acurel Carbon Infused Media Pad 10x18"

    Acurel Carbon Infused Media Pad 10x18" Like all our infused media pads, our long-lasting polyfiber material is up to twice as thick and is much more rigid than competing pads, enabling them to fit tighter, hold their shape longer, filter more...

    $8.95
  • Acurel Nitrate Remover Infused Media Pad 10x18" Acurel Nitrate Remover Infused Media Pad 10x18"

    Acurel Nitrate Remover Infused Media Pad 10x18"

    Acurel Nitrate Remover Infused Media Pad 10x18" High aquarium nitrate levels can cause a variety of issues for your fish including increased stress, lower immunity, decreased ability to reproduce, and promotes algae growth. Acurel Nitrate Reducing Media...

    $8.95
  • Acurel Phosphate Remover Infused Media Pad 10x18" Acurel Phosphate Remover Infused Media Pad 10x18"

    Acurel Phosphate Remover Infused Media Pad 10x18"

    Acurel Phosphate Remover Infused Media Pad 10x18" Like all our infused media pads, our long-lasting polyfiber material is up to twice as thick and is much more rigid than competing pads, enabling them to fit tighter, hold their shape longer, filter more...

    $8.95
  • Acurel Poly Fiber Media Pad 10x18" Acurel Poly Fiber Media Pad 10x18"

    Acurel Poly Fiber Media Pad 10x18"

    Acurel Poly Fiber Media Pad 10x18" Like all our media pads, our long-lasting polyfiber material is up to twice as thick and is much more rigid than competing pads, enabling them to fit tighter, hold their shape longer, filter more effectively, and last...

    $8.95
  • Seachem Matrix Carbon 100 ml. Bagged Seachem Matrix Carbon 100 ml. Bagged

    Seachem

    Seachem Matrix Carbon 100 ml. Bagged

    Seachem Matrix Carbon 100 ml. Bagged 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...

    $8.95
  • Boyds ChemiPure Elite Mini 3.1 Oz. Boyds ChemiPure Elite Mini 3.1 Oz.

    Boyd Enterprises

    Boyds ChemiPure Elite Mini 3.1 Oz.

    Boyds ChemiPure Elite Mini 3.1 Oz. Chemi-pure Elite formula now contains ferric oxide, that helps remove slime and PO4 (phosphates), giving your coral and fish a healthy environment to grow and live. Soft corals - Crustose Coralline Algaes - Caulerpas -...

    $8.19
  • SERA Filter Wool Mechanical Filter Media, 3.5 oz

    Sera

    SERA Filter Wool Mechanical Filter Media, 3.5 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.SERA Filter Wool Mechanical Filter Media, 3.5 oz.Economical filter medium for fresh and salt...

    $7.99