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Filter Media & Replacement Cartridges

Specifically curated for freshwater aquariums, our selection of filter media and replacement cartridges will keep your filtration system running at peak performance and keep your aquarium inhabitants happy and healthy.
BRSfresh Partner Picks
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58 Items

  1. Chemi-Pure Green Filter Media
    Boyd Enterprises
    Chemi-Pure Green Filter Media
    From: $11.13

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  2. Chemi-Pure
    2 Reviews
    Boyd Enterprises
    Chemi-Pure
    From: $11.19

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  3. BioMax Media for FX4/6 and 07 Series
    Fluval
    BioMax Media for FX4/6 and 07 Series
    $26.99 $26.99

  4. Fluval Carbon - 100 g (3 Pack)
    Fluval
    Fluval Carbon - 100 g (3 Pack)
    $14.99 $14.99

  5. BRS Bulk Bituminous Aquarium Carbon
    19 Reviews
    Bulk Reef Supply
    BRS Bulk Bituminous Aquarium Carbon
    From: $10.99

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  6. Bulk Premium ROX 0.8 Aquarium Carbon
    20 Reviews
    Bulk Reef Supply
    Bulk Premium ROX 0.8 Aquarium Carbon
    From: $22.99

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  7. Granular Activated Carbon Sachets for Dice Pico Cube Aquarium
    Maxspect
    Granular Activated Carbon Sachets for Dice Pico Cube Aquarium
    $6.99 $6.99

  8. Purit - Chemical Filtration Media
    4 Reviews
    Brightwell Aquatics
    Purit - Chemical Filtration Media
    From: $48.61

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  9. AF Purifying Resin
    Aquaforest
    AF Purifying Resin
    From: $18.99

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  10. AF Anti Phosphate Freshwater (1000 mL Bag)
    Aquaforest
    AF Anti Phosphate Freshwater (1000 mL Bag)
    $24.79 $24.79

  11. AF Carbon Freshwater (1000 mL Bag)
    Aquaforest
    AF Carbon Freshwater (1000 mL Bag)
    $11.79 $11.79

  12. AF Anti Phosphate Freshwater (500 mL)
    Aquaforest
    AF Anti Phosphate Freshwater (500 mL)
    $4.55 $12.99

  13. Chemi-Pure Elite
    1 Review
    Boyd Enterprises
    Chemi-Pure Elite
    From: $8.60

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  14. BRS Bulk GFO Granular Ferric Oxide - High Capacity
    2 Reviews
    Bulk Reef Supply
    BRS Bulk GFO Granular Ferric Oxide - High Capacity
    From: $84.60

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  15. BRS Bulk GFO Granular Ferric Oxide
    Bulk Reef Supply
    BRS Bulk GFO Granular Ferric Oxide
    From: $39.68

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  16. Shark PRO Expansion Module with Sponges
    Sicce
    Shark PRO Expansion Module with Sponges
    $12.99 $12.99

  17. Shark PRO Carbon Cartridge with Sponges
    Sicce
    Shark PRO Carbon Cartridge with Sponges
    $14.99 $14.99

  18. Shark PRO Hyperbio Pearl Cartridge with Sponges
    Sicce
    Shark PRO Hyperbio Pearl Cartridge with Sponges
    $12.99 $12.99

  19. Shark PRO Zerophos Cartridge with Sponges
    Sicce
    Shark PRO Zerophos Cartridge with Sponges
    $14.99 $14.99

  20. Shark PRO Filter Sponges (5 pcs)
    Sicce
    Shark PRO Filter Sponges (5 pcs)
    $9.99 $9.99

  21. Bio Media Set for Dice Pico Cube Aquarium
    Maxspect
    Bio Media Set for Dice Pico Cube Aquarium
    $4.99 $4.99

  22. Filtration Panel for Dice Pico Cube Aquarium
    Maxspect
    Filtration Panel for Dice Pico Cube Aquarium
    $2.99 $2.99

  23. Sponge Set for Dice Pico Cube Aquarium
    Maxspect
    Sponge Set for Dice Pico Cube Aquarium
    $7.99 $7.99

  24. Space EKO Replacement Sponge Kit
    Sicce
    Space EKO Replacement Sponge Kit
    $19.99 $19.99

  25. Freshwater Starter Pack
    Aquaforest
    Freshwater Starter Pack
    $69.90 $69.90

  26. Neo Bag Plus (8 pack)
    AQUARIO
    Neo Bag Plus (8 pack)
    $11.99 $11.99

  27. Neo Bag Minus (8 pack)
    AQUARIO
    Neo Bag Minus (8 pack)
    $11.99 $11.99

  28. Neo Bag Carbon (8 pack)
    AQUARIO
    Neo Bag Carbon (8 pack)
    $11.99 $11.99

  29. Neo Bag Zeolite (8 pack)
    AQUARIO
    Neo Bag Zeolite (8 pack)
    $11.99 $11.99

  30. Extrax Phos Phosphate Adsorption Media
    Brightwell Aquatics
    Extrax Phos Phosphate Adsorption Media
    From: $72.56

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  31. Chitin infused Bio-Spheres 2kg
    Maxspect
    Chitin infused Bio-Spheres 2kg
    $25.99 $25.99

  32. Chitin infused Bio-Spheres 1kg
    Maxspect
    Chitin infused Bio-Spheres 1kg
    $15.99 $15.99

  33. Ca/Mg infused Bio-Spheres 2kg
    Maxspect
    Ca/Mg infused Bio-Spheres 2kg
    $25.99 $25.99

  34. Ca/Mg infused Bio-Spheres 1kg
    Maxspect
    Ca/Mg infused Bio-Spheres 1kg
    $15.99 $15.99

  35. Negative Ion Bio-Spheres 2kg
    Maxspect
    Negative Ion Bio-Spheres 2kg
    $25.99 $25.99

  36. Negative Ion Bio-Spheres 1kg
    Maxspect
    Negative Ion Bio-Spheres 1kg
    $15.99 $15.99

  37. Far Infrared Bio-Spheres 2kg
    Maxspect
    Far Infrared Bio-Spheres 2kg
    $25.99 $25.99

  38. Far Infrared Bio-Spheres 1kg
    Maxspect
    Far Infrared Bio-Spheres 1kg
    $15.99 $15.99

  39. Carbon Foam for FX2/FX4/FX5/FX6 Canister Filter (2 Pack)
    Fluval
    Carbon Foam for FX2/FX4/FX5/FX6 Canister Filter (2 Pack)
    $19.99 $19.99

  40. FX2/FX4/FX5/FX6 Bio Foam+ (2 Pack)
    Fluval
    FX2/FX4/FX5/FX6 Bio Foam+ (2 Pack)
    $19.99 $19.99