Compare canister filters, HOBs, skimmers and rollmats through specs, prices and the tanks using them.
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892 matching items · Most used first
FilterBoyd Enterprises
Boyd Enterprises Chemi-Pure is a pre-bagged chemical filter media combining pelletized activated carbon with ion-exchange resins in a fine-mesh nylon bag, removing dissolved organics, odors, phenols, copper, and medications to keep aquarium water crystal clear. Available in 5 oz (treats 25 gal), 10 oz (50 gal), and 40 oz (200 gal) sizes, it is replaced every 2–4 months.
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FilterBoyd Enterprises
Chemi-Pure Blue by Boyd Enterprises is a specialized filter media blend of pelletized activated carbon and ion-exchange resins in a fine-mesh nylon bag. It rapidly removes organic compounds, dissolved wastes, odors, toxins and phosphates to improve water clarity, and comes in Nano, 5.5oz, 11oz and 44oz sizes.
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FilterBoyd Enterprises
Boyd Chemi-Pure Elite is a filter media blend of GFO (granular ferric oxide) and premium pelletized QuickWash activated carbon in a fine-mesh nylon bag, designed to remove phosphates, silicates, dissolved organics, odors, copper, and metals while polishing water clarity. It targets nuisance algae control in medium-bioload freshwater or saltwater aquariums, with four sizes treating up to 10, 25, 50, or 200 gallons and replacement every 2-4 months.
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FilterBoyd Enterprises
Boyd Enterprises Chemi-Pure Green is an all-in-one chemical filter media optimized for freshwater planted aquariums, packaged in a ready-to-use nylon bag (5.5 oz treats 35 gallons; 11 oz also available). It combines low-dust pelletized activated carbon with premium ion-exchange resins to reduce tannins, odors, toxins, organic compounds, and medications while stabilizing pH and maintaining macronutrient levels for healthy plant growth; replace every 2-4 months.
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FilterChihiros
The Chihiros Double Tap Quick Connector simplifies canister filter maintenance; dual-valve shutoff system lets you quickly stop water flow and disconnect filter hoses without spills, leaks, or backflow. Durable, corrosion-resistant ABS with integrated rubber O-rings for a watertight seal. 12/16mm (1/2 inch) and 16/22mm (5/8 inch) sizes.
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FilterMaxspect
Maxspect Nano-Tech Chitin Infused Bio-Spheres are 1kg of ceramic biological filter media, fire-cured above 2300F for strength and longevity, infused with chitin extracted from sea-dwelling invertebrates. They stimulate nitrifying bacteria colonies, improve water clarity, and help break down pollutants such as hydrogen sulfide and heavy metals; recommended for freshwater aquariums only.
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FilterMaxspect
Maxspect Nano-Tech Chitin-Infused Bio-Spheres are ceramic bio-media fire-cured above 2300°F for a strong, stable, long-lasting filter medium (2kg). Infused with chitin extracted from sea-dwelling invertebrates, they help break down pollutants such as hydrogen sulfide and heavy metals, stimulate nitrifying bacteria colonies, and improve water clarity; recommended for freshwater aquariums only.
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FilterBulk Reef Supply
The Chrome Faucet Diverter Valve attaches an RO/DI system to most standard kitchen sink faucets (55/64-27 threads), letting the unit stay plumbed in — flip the lever to run the RO unit or back to use the sink. It has a 1/4" compression RO tubing connection and can be adapted to odd faucets with an adapter ring (not included).
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FilterClariSea
The ClariSea Hanging Automatic Filter System Bracket mounts ClariSea Gen 3 automatic filter roller systems in a hanging configuration.
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FilterClariSea
An automatic fleece roller filter from D-D that continuously removes suspended particulates from aquarium water, replacing filter socks; a float sensor advances the 82-foot fleece roll automatically, with a smart controller, alarms, and fail-safe overflow.
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FilterClariSea
The ClariSea SK-3000 Gen 3 Extension Arm is an optional mounting kit for the ClariSea SK-3000 Gen 3 automatic filter system. It lets you adjust the mounting position of the clean filter roll for more installation options and easier access in small or tight spaces.
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FilterClariSea
The ClariSea SK-5000 Gen 3 Automatic Filter System is a compact automatic fleece roller filter for marine and freshwater aquariums. It continuously removes suspended particles such as micro algae, detritus, food, and organic waste from the water column, replacing filter socks, and includes a smart controller that automatically advances the fleece roll with audible and visual alarms.
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FilterClariSea
The ClariSea SK-5000 Gen 3 is an automatic fleece filter system that removes particulates from aquarium water, completely replacing filter socks. A sensor automatically advances the fleece when clogged; the Gen 3 adds a pre-assembled body, quick-release silencer plates, top rollers with fleece guide, and a smart controller with alarms. Recommended for flow up to 1300 GPH.
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FilterClariSea
The ClariSea SK-5000 Gen 3 Extension Arm is an optional kit for the ClariSea SK-5000 Gen 3 automatic filter system. It adjusts the mounting position of the clean filter roll, giving more installation options for easier access in small or tight spaces. Works in saltwater and freshwater.
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FilterReef Octopus
The Reef Octopus Classic 100 HOB is a hang-on-back protein skimmer designed for marine aquariums up to 105 gallons; no sump required. Features an advanced Aquatrance 1000s pinwheel pump (9W, 420 lph air draw, 350 lph water draw) for optimal air-water mixing, quiet operation with air silencer, and durable acrylic construction. Removes dissolved organics and proteins before they break down, promoting healthier fish and vibrant coral growth; footprint 8 x 3.25 in, height 17 in.
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FilterReef Octopus
The Reef Octopus Classic 110SSS is a sleek, ultra-compact in-sump protein skimmer supplying powerful filtration for aquariums up to 130 gallons where sump space is limited. High-quality acrylic that disassembles for cleaning; Aquatrance 1000s pinwheel pump (9W, 420 lph air, 350 lph water); removable turbulence-reducing bubble plate; vented wedge valve for precision control and quiet submerged outflow; body 5 in, footprint 7.9 x 6.1 in, height 19.7 in.
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FilterReef Octopus
The Reef Octopus Classic 150SSS is a sleek, ultra-compact in-sump protein skimmer supplying powerful filtration for aquariums up to 210 gallons where sump space is limited. High-quality acrylic that disassembles for cleaning; Aquatrance 2000s pinwheel pump (18W, 720 lph max air, 198 gph); removable turbulence-reducing bubble plate; vented wedge valve for precision control and quiet submerged outflow; body 6 in, footprint 9.5 x 7.3 in, height 20.9 in.
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FilterReef Octopus
The Reef Octopus Classic 152-S is an in-sump protein skimmer with a unique Super Cone 'wine glass shape' body that stabilizes and concentrates organic-rich foam as it rises; filtration for aquariums up to 150 gallons. Cast acrylic construction that disassembles for cleaning; Aquatrance 1800s pinwheel pump (11W, 480-511 lph air, 140 gph); bubble dispersant plate; footprint 10.4 x 8.1 in, height 20.7 in.
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FilterReef Octopus
The Reef Octopus Classic 202-S is an in-sump protein skimmer with a unique Super Cone 'wine glass shape' body that stabilizes and concentrates organic-rich foam as it rises; powerful filtration for aquariums up to 265 gallons. Cast acrylic construction that disassembles completely for cleaning; Aquatrance 3000s pinwheel pump (35W, 871-880 lph air, 211 gph); bubble dispersant plate; footprint 12.4 x 10 in, height 23.2 in.
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FilterWavereef
Wavereef clean resin cartridge, a refillable 10-inch clear RO/DI filter cartridge with 1/4-inch quick-connect fittings. The transparent housing makes resin depletion easy to spot; accepts standard 10 x 2 inch cartridges, with wrench and 5 ft of tubing included.
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FilterBulk Reef Supply
The BRS Clear Refillable Cartridge for DI Resin is a standard 10-inch (2.5" x 10") clear cartridge that can be emptied and refilled with mixed-bed or color-changing DI resin as needed. It fits all BRS RO/DI systems and most other systems that accept standard 10-inch cartridges.
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FilterWavereef
The WaveReef CO2 Scrubber (CO-100, with 1 kg CO2 adsorption media included) enhances pH stability by recirculating air through the protein skimmer in a closed-loop system. Re-uses air processed by the skimmer, effectively locking away excess CO2 and fostering a healthier aquatic ecosystem.
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FilterBulk Reef Supply
5 lb aluminum CO2 tank with a high-quality brass valve for high-tech planted aquariums. Provides a stable CO2 supply to promote lush plant growth; lightweight and corrosion-resistant, is sold empty and must be filled before use.
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FilterEHEIM
EHEIM coarse foam filter cartridges (2 pieces) for the skim350, for mechanical and biological filtration. Dirt particles are trapped in the porous foam while purification bacteria colonize the pores; the cartridges are reusable several times over and are cleaned by simply rinsing and squeezing out.
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FilterEHEIM
EHEIM coarse/fine filter pad for the professionel 5e 450, 700, and 600T external filters, for mechanical and biological filtration. The porous foam traps large and small dirt particles and provides good colonization conditions for purification bacteria; the pads are reusable many times over and are cleaned by simply rinsing and squeezing out.
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FilterEHEIM
EHEIM coarse/fine filter pad for the professionel 4+ and professionel 5e 350 external filters, for mechanical and biological filtration. The porous foam traps large and small dirt particles and provides good colonization conditions for purification bacteria; the pads are reusable many times over and are cleaned by simply rinsing and squeezing out.
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FilterEHEIM
EHEIM coarse/fine filter pad for the ecco pro external filter, for mechanical and biological filtration. The porous foam traps large and small dirt particles and provides good colonization conditions for purification bacteria; the pads are reusable many times over and are cleaned by simply rinsing and squeezing out.
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FilterBulk Reef Supply
BRS Color Changing CO2 Absorbent Media is soda lime (calcium hydroxide, water, and a small amount of sodium hydroxide with ethyl violet indicator dye) used in a CO2 scrubber connected to a protein skimmer's air intake to raise and stabilize aquarium pH where CO2 is the limiting factor. The media changes from white to purple as it exhausts (replacing at ~2 weeks per 10" cartridge), is packaged in sealed Mylar bags to preserve hydration, and comes in 1.2 lb (single cartridge refill, ~800 mL) and 7.5 lb (7 refills, ~5600 mL) sizes.
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FilterWavereef
WaveReef Color-Changing CO2 Absorbent Media (1 kg) maintains optimal water chemistry in saltwater and freshwater aquariums. Used with a CO2 scrubber and protein skimmer, it removes CO2 from the air entering the skimmer, raising and stabilizing pH to create a healthier aquatic environment.
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FilterTunze
The Tunze Comline DOC 9012 HUB Edition is a compact, energy-efficient (9W) DC-controlled in-sump protein skimmer for aquariums from 79 to 317 gallons, with a small 5.5 x 4.3-inch footprint, 16.3-inch height, and integrated surface suction that removes organics before they break down. The included Tunze Controller 7090 allows fine-tuning of the needle-wheel pump’s performance (adjustable flow, ~400 l/h air) to match bioload and nutrient levels; a removable 0.7L collection cup simplifies maintenance, backed by a 5-year warranty.
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