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At AquaCave, we offer some of the best selection and best prices on Aquarium Filter Media, Carbon, Biological, GFO, Biopellets, and media reactors, Algae Scrubbers, and Cheato Reactors, for marine, reef, and freshwater aquariums.

76 of 76 Items
  • 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
  • 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
  • IceCap Color Changing CO2 Absorbent Media 1kg. IceCap Color Changing CO2 Absorbent Media 1kg. IceCap Color Changing CO2 Absorbent Media 1kg. IceCap Color Changing CO2 Absorbent Media 1kg.

    IceCap

    IceCap Color Changing CO2 Absorbent Media 1kg.

    IceCap Color Changing CO2 Absorbent Media 2 kg. Struggling with low pH? Frustrated by slow coral growth? We've got the solution! Introducing the IceCap CO2 Scrubber and CO2 Absorbent Media It happens to all of us at some point during our reefing...

    $15.00
  • 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
  • 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
  •   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
  • 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
  •   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
  • 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
  • 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
  • Poly-Tech GFO Super Filter Pad 6" x 6" Poly-Tech GFO Super Filter Pad 6" x 6"

    Magnavore

    Poly-Tech GFO Super Filter Pad 6" x 6"

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

    $5.95
  • PhosBan Reactor NPX Screen for use with Bio Pellets

    Two Little Fishies

    PhosBan Reactor NPX Screen for use with Bio Pellets

    PhosBan Reactor NPX Screen for use withBio Pellets Turn your Two Little Fishies reactor into a biopellet reactor by using this Two Little Fishies NPX Screens for BioPellets. It prevents NPX Biopellets and other pellets from passing through the...

    $2.95
76 of 76 Items