Aquarium Filters

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Popular equipment · Filter

892 matching items · Most used first

MiniQ Nano Internal Protein SkimmerFilter

Bubble Magus

MiniQ Nano Internal Protein Skimmer

The Bubble Magus MiniQ is a compact internal protein skimmer for nano aquariums up to 20 gallons, with a drop-in design for AIO or sumpless tanks. It uses a 2W needle-wheel pump powered by USB and includes a bubble diffuser, air silencer, and water adjustment valve.

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Mix Bed Deionization DI Resin Refill 5 Liter BagFilter

Not specified

Mix Bed Deionization DI Resin Refill 5 Liter Bag

High-capacity mixed-bed deionization resin refill (5-liter bag) for RO/DI water purification systems; removes dissolved impurities remaining after reverse osmosis to produce ultra-pure 0 TDS water. Helps eliminate silicates, nitrates, phosphates, and heavy metals; color-changing resin for easy replacement monitoring; suitable for all standard refillable DI cartridges; ideal for reef, marine, freshwater, and pond systems.

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Multi-Surface SkimmerFilter

ISTA

Multi-Surface Skimmer

The ISTA Multi-Surface Skimmer keeps the aquarium water surface clear of dust, protein films, and debris for better light penetration and gas exchange. Its self-floating inlet chamber auto-adjusts to water level changes, and it fits most hang-on and medium filters with hose inlets from 1/2" to 5/8" outside diameter; includes mounting clips and suction cups.

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Mur-Lok Inline Ball Valve Mounting Clip - 2 PackFilter

Neat Aquatics

Mur-Lok Inline Ball Valve Mounting Clip - 2 Pack

The Neat Aquatics Mur-Lok Inline Ball Valve Mounting Clip is a snap-in, snap-out mounting bracket that holds a single Mur-Lok Inline Ball Valve (1/4 inch, 3/8 inch, or 1/2 inch) and mounts to a wall or other rigid surface so the valve can be turned with one hand. It keeps RO, reactor, and other tubing plumbing neat and prevents kinks, while still allowing easy removal for maintenance. Includes 2 mounting clips and 4 mounting screws. Inline Ball Valve fittings not included.

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Nano Box Skimmer - SLK-240BFilter

Wavereef

Nano Box Skimmer - SLK-240B

WaveReef Nano Box Skimmer (SLK-240B) is a rear-compartment protein skimmer for all-in-one aquariums of 10-30 gallons. Slim profile hangs within the aquarium's dedicated filter chamber, and height is adjustable to get the desired waste collection.

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Nano Micron Internal FilterFilter

Sicce

Nano Micron Internal Filter

The Sicce Nano Micron is a compact submersible internal filter for small freshwater aquariums and turtle tanks, with a 52 GPH pump, adjustable flow, and tool-free maintenance. It mounts with suction cups and includes a mechanical filtration sponge.

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Nano-Tech Anaerobic-Block (2 pcs)Filter

Maxspect

Nano-Tech Anaerobic-Block (2 pcs)

The Maxspect Nano-Tech Anaerobic-Block (2 pcs) is a porous nano-ceramic filter media that fosters anaerobic heterotrophic bacteria to reduce nitrate into nitrogen gas through denitrification. Each block treats up to 264 gallons and is placed directly in the sump, lasting about six months.

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Nano-Tech Bio-Blocks (2 pcs)Filter

Maxspect

Nano-Tech Bio-Blocks (2 pcs)

The Maxspect Nano-Tech Bio-Blocks (2 pcs) are inert ceramic filter media with an ultra-high surface area for colonization by beneficial bacteria that lower ammonia, nitrite, and nitrate naturally. One block can replace up to 20 pounds of live rock and treats up to 750 gallons.

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Nano-Tech Bio-CubeletsFilter

Maxspect

Nano-Tech Bio-Cubelets

Maxspect Nano-Tech Bio-Cubelets are inert ceramic biological filter media using stabilized microbial Biological Aerated Filter (W-BAF) technology adapted from wastewater treatment, with each cubelet offering up to 15 m² (161 ft²) of surface area for bacterial colonization. The ultra-porous structure supports dense biofilms of nitrifying bacteria that remove ammonia, nitrite, and nitrate, making them a compact, non-decomposing alternative to live rock for sumps, filters, and reactors in fresh and marine aquariums.

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Nano-Tech Bio-SpheresFilter

Maxspect

Nano-Tech Bio-Spheres

The Maxspect Nano-Tech Bio-Spheres are inert ceramic filter media beads with an ultra-high surface area for colonization by beneficial bacteria that lower ammonia, nitrite, and nitrate naturally. Just 10 spheres can replace up to 20 pounds of live rock, and they are available in 1, 2, 20, and 25 kg packages.

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Nano-Tech Clear Cube (8 pcs)Filter

Maxspect

Nano-Tech Clear Cube (8 pcs)

The Maxspect Nano-Tech Clear Cube (8 pieces, treats 400 L / 100 gallons) is a natural tourmaline-based ionic filter media that clarifies aquarium water by breaking down dissolved organic matter ionically rather than by absorption, so it lasts far longer than activated carbon. It also removes yellow tint, impurities like gases and heavy metals, and has natural anti-bacterial and anti-fungal properties; for freshwater and marine aquariums.

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Nano-Tech PhosphreeFilter

Maxspect

Nano-Tech Phosphree

The Maxspect Nano-Tech Phosphree is a chemically stable polymer-based phosphate absorbing resin that reduces PO4 slowly, avoiding sudden drops that can shock corals. Unlike traditional GFO, it does not leak metal ions into the water or cloud aquarium water.

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N-Clear Nano Fleece Roller FilterFilter

Nature Dimensions

N-Clear Nano Fleece Roller Filter

The Nature Dimensions N-Clear Nano Fleece Roller Filter provides automatic mechanical filtration for the rear chambers of nano all-in-one aquariums, advancing its high-density fleece roll automatically as it clogs. Compatible with IM, Waterbox, UNS, HelloReef, Aquatop, and other nano AIO systems via optional N-Fit adapters, it supports freshwater or saltwater and dual-filter synchronized mode with one controller.

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N-Clear Nano Fleece Roller Filter AdaptersFilter

Nature Dimensions

N-Clear Nano Fleece Roller Filter Adapters

Nature Dimensions N-Fit Adapters make the N-Clear Nano Fleece Roller Filter drop-in ready for supported all-in-one tanks, including Waterbox, Innovative Marine NUVO, HelloReef, UNS, Landen, Aquatop, IceCap, and Maxspect models; includes one adapter and a silicone gasket.

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Neck Extension 300Filter

Reef Octopus

Neck Extension 300

The Reef Octopus NK-300 Neck Extension is a stackable neck extension designed to extend the neck of compatible Reef Octopus skimmers to increase dwell time, achieve greater contact time with dissolved organics, and allow higher internal water height settings. An easy way to upgrade an existing Reef Octopus skimmer's performance; silicone o-ring seal; 'Twist and Lock' extensions for Elite/Prime skimmers are white PVC, traditional o-ring extensions are black acrylic. Fits Regal 300, SRO-6000ext, TDNWB300, XS300/XS350, and Diablo DCS 300 models.

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Negative Ion Bio-Spheres 1kgFilter

Maxspect

Negative Ion Bio-Spheres 1kg

Maxspect Negative Ion Nano-Tech Bio-Spheres are inert ceramic biological filter media infused with minerals that release negative ions, helping neutralize water and hold pH between 7.0 and 7.2. The high-surface-area spheres promote nitrifying bacteria colonies and improve water clarity in freshwater aquariums.

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Negative Ion Bio-Spheres 2kgFilter

Maxspect

Negative Ion Bio-Spheres 2kg

The Maxspect Negative Ion Bio-Spheres (2kg) are inert ceramic bio-media fired above 2300°F, infused with minerals that release negative ions to help neutralize water and maintain pH between 7.0 and 7.2. They stimulate nitrifying bacteria colonies and improve water clarity, and are recommended for freshwater aquariums only.

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Neo Bag Carbon (8 pack)Filter

Aquario

Neo Bag Carbon (8 pack)

AQUARIO Neo Bag Carbon is an 8-pack of activated carbon filter media bags designed to remove pollutants and odors for clear aquarium water. Use one bag per 15 gallons in a hang-on filter or other area with good flow, replacing monthly; it is engineered to have minimal impact on pH.

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Neo Bag Minus (8 pack)Filter

Aquario

Neo Bag Minus (8 pack)

The Aquario Neo Bag Minus (8 pack) is a negative ion adsorption media that chemically removes nitrates, nitrites, and phosphates from aquarium water in a short time. Use one bag per 15 gallons of water, placed in a hang-on filter or high-flow area, replacing monthly.

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Neo Bag Plus (8 pack)Filter

Aquario

Neo Bag Plus (8 pack)

The AQUARIO Neo Bag Plus 8-pack is a set of filter media bags for aquarium filtration. Each bag holds loose filter media for easy placement and removal from the filter.

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Neo Bag Zeolite (8 pack)Filter

Aquario

Neo Bag Zeolite (8 pack)

Aquario Neo Bag Zeolite includes 8 individual filter media bags of natural porous zeolite mineral for fast ammonia and heavy metal adsorption in planted aquariums. Zeolite neutralizes ammonia through ion exchange, targeting ammonia to prevent early nitrate formation, reduce water change frequency, and combat unwanted algae, while also absorbing heavy metals like lead and zinc. Use one bag per 60 liters (15 gallons), rinse before use, and replace monthly; the Zeolite bags can be regenerated in a salt solution.

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Neo Flow Lily Pipe HolderFilter

Aquario

Neo Flow Lily Pipe Holder

The AQUARIO Neo Holder is a sleek, minimalist lily pipe mount that sits on the tank rim and securely holds AQUARIO Neo Flow in-flow and out-flow lily pipes in precise position. Its adjustable design with screws ensures a snug fit for pipes up to 18mm on glass up to 12mm thick. Lily pipes sold separately.

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Neo Flow Lily Pipe Set - LargeFilter

Aquario

Neo Flow Lily Pipe Set - Large

The AQUARIO Neo Flow Lily Pipe Set (Large) is a clear inlet and outlet pipe set made of durable PETG, stronger than glass or acrylic with slight flexibility that resists breakage. The compact small-radius design installs close to the glass, the 17 mm outlet features a rotatable 90-degree flow director elbow for precise flow aim, and the inlet and outlet separate from the pipes for easy cleaning (pipes can be trimmed shorter); includes inlet tube, outlet tube, inlet strainer, 90-degree flow director elbow, and 2 tube holders, fitting tanks with up to 17 mm glass.

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Neo Flow Premium Lily Pipe Set - LargeFilter

Aquario

Neo Flow Premium Lily Pipe Set - Large

The AQUARIO Neo Flow Premium Lily Pipe Set - Large is an all-inclusive inlet and outlet pipe set made from clear PETG (17 mm pipe diameter), which is stronger and more break-resistant than glass or acrylic lily pipes while remaining easy to cut and clean. The compact design installs close to the glass and includes the inlet tube, outlet tube, inlet strainer, 90-degree flow director elbow, Neo Reliever flow director, Neo Skimmer surface skimmer (which removes oily surface films), and 2x tube holders; for saltwater and freshwater aquariums.

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Neo InletFilter

Aquario

Neo Inlet

The AQUARIO Neo Inlet is a transparent PETG filter intake guard that prevents small fish, shrimp, and other delicate inhabitants from being drawn into the filter while maintaining smooth water flow. It comes in medium (fits 13 mm Neo Flow lily pipes) and large (fits 17 mm Neo Flow lily pipes) sizes and blends discreetly into planted aquascapes.

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Neo OutletFilter

Aquario

Neo Outlet

The Aquario Neo Outlet is a compact, high-transparency (PC plastic) outlet that fits Aquario Neo Flow and Premium Neo Flow pipes and disperses a strong canister-filter jet into an even, less invasive current — reducing fish stress and CO2 distribution problems in planted tanks. It offers 360-degree rotatable flow, an included water-flow restrictor, and speed adjustment via removable small parts; available in M (~13mm) and L (~17mm) connection sizes.

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Neo RelieverFilter

Aquario

Neo Reliever

The AQUARIO Neo Reliever is a transparent flow-adjustment attachment for Neo Flow lily pipes that reduces output pressure for aquariums with delicate plants, shrimp, or fish. Available in medium (fits 13 mm lily pipes) and large (fits 17 mm lily pipes), it includes the reliever and an elbow connector.

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Neo SkimmerFilter

Aquario

Neo Skimmer

The AQUARIO Neo Skimmer is a surface skimmer add-on for 17mm Neo Flow lily pipes that removes surface film and floating debris for crystal-clear water, enhancing gas exchange and light penetration for healthier plants and aquatic life. Its compact, minimalist design blends into the aquascape; lily pipes sold separately.

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