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
FilterPro Clear Aquatic Systems
A refillable chemical media cartridge designed for Pro Clear Aquatic Systems RedFlex sumps; it sits in the sump's chemical media canal to hold chemical filtration media of your choice.
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FilterBulk Reef Supply
BRS PRO Series Anion Single Bed Color Changing DI Resin is great for people that want to be more efficient with their deionization resin usage. Available in 1.4 lb single cartridge refill and 8.1 lb bulk package (up to 6 refills); changes from blue to amber when exhausted.
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FilterBulk Reef Supply
The BRS PRO Series Cation DI Resin (Color Changing, Part 1) is a single-bed cation deionization resin that removes positively charged ions (sodium, calcium, magnesium, aluminum, iron) as the first stage of an efficient 3-stage DI setup, producing 0 TDS water for reef and freshwater aquariums. The purple-to-amber color change signals exhaustion; available as a 1.25 lb single-cartridge refill or 8.1 lb bulk package in foil-lined, vacuum-sealed bags.
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FilterBulk Reef Supply
BRS PRO Series Mixed Bed DI Resin (Color Changing) - Part 3 is a 1.25-pound refill of mixed-bed deionization resin for RO/DI systems. It changes from purple to amber when exhausted and polishes reverse-osmosis water down to 0 TDS by removing remaining ions such as calcium, magnesium, silica, and phosphate.
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FilterEHEIM
The EHEIM professionel 4+ 350 is an advanced external canister filter for aquariums up to 350 litres, with a square canister, self-priming aid, safety hose adapter, top prefilter, and individual filter baskets with Easy Clean grids. The Xtender control function extends intervals between cleanings, and it runs quietly on 16 W at 1050 l/h, coming ready to connect with original EHEIM filter media.
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FilterEHEIM
The EHEIM professionel 4+ 350T is an external thermofilter with an integrated 210 W heater for aquariums up to 350 litres, combining filtration and heating in one unit. It features a square canister, self-priming aid, safety hose adapter, top prefilter, and individual filter baskets; the Xtender control function extends cleaning intervals, and it runs quietly on 16 W at 1050 l/h, coming ready to connect with original EHEIM filter media.
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FilterEHEIM
The EHEIM professionel 4+ 600 is an advanced external canister filter for aquariums up to 600 litres, with a square canister, self-priming aid, safety hose adapter, top prefilter, and individual filter baskets with Easy Clean grids. The Xtender control function extends cleaning intervals; it runs quietly on 16 W at 1250 l/h and comes ready to connect with original EHEIM filter media.
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FilterEHEIM
The EHEIM professionel 5e 350 is an electronic external filter with integrated Wi-Fi and wireless control via smartphone, tablet, or PC, for aquariums up to 350 litres. It offers programmable modes (constant flow, bio mode, pulse mode, manual mode), permanent electronic system monitoring with automatic air removal, a large easily accessible prefilter, and quiet performance; it is fully equipped with original EHEIM filter media.
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FilterEHEIM
The EHEIM professionel 5e 450 is a cutting-edge electronic external canister filter with integrated Wi-Fi control via smartphone, tablet, or desktop, for aquariums up to 450 litres. It merges powerful pump performance (approx. 1700 l/h) with a large 12.5 l canister and 6 l filter volume; programmable modes (output control, constant flow, pulse mode, bio modes) plus a service indicator, auto air-out, and electronic error indicator extend maintenance intervals and guarantee constant flow.
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FilterEHEIM
The EHEIM professionel 5e 700 is a cutting-edge electronic external canister filter with integrated Wi-Fi control via smartphone, tablet, or desktop, for aquariums up to 700 litres. It merges powerful pump performance (approx. 1850 l/h) with a large 14.5 l canister and 8 l filter volume; programmable modes (output control, constant flow, pulse mode, bio modes) plus a service indicator, auto air-out, and electronic error indicator extend maintenance intervals and guarantee constant flow.
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FilterSeachem
Seachem Purigen is a synthetic adsorbent media that removes organic waste, colors, and odors from aquarium water, short-circuiting nitrate production by removing precursor organics before they break down — without significantly affecting trace elements. It darkens as it exhausts (visible maintenance indicator) and can be regenerated by soaking in bleach solution; each 100 mL treats up to 100 gallons for up to six months in a 180-micron-or-less filter bag, media reactor, canister filter, or high-flow area.
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FilterBrightwell Aquatics
Brightwell Aquatics Purit is a next-generation chemical filtration media combining enhanced activated carbon with NSF-grade ion-exchange and adsorptive resins; it removes ammonia, nitrate, phosphate, silicate, heavy metals, and dissolved organics from freshwater and saltwater aquariums, improving clarity and ORP, available in five sizes.
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FilterReef Octopus
The Reef Octopus Q6 is a commercial-size foam fractionator for systems of 6,500-10,000 gallons; extremely efficient at removing dissolved organics and pollutants from seawater. Utilizes 3 Bubble Blaster HY-10000 pinwheel pumps injecting microbubbles into a 24 in diameter body mixing with ~70 gallons of water; ozone-compatible with direct venturi ports; over-sized collection cup with neck cleaner and drain; hybrid (half cone) skimmer body for greater foamate stabilization; body 24 in, footprint 37.5 x 37 in, height 69 in.
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FilterReef Octopus
The Reef Octopus Q7 is a commercial-size foam fractionator for systems of 12,500-18,000 gallons; extremely efficient at removing dissolved organics and pollutants from seawater. Utilizes 4 Bubble Blaster HY-10000 pinwheel pumps injecting microbubbles into a 31.5 in diameter body mixing with ~130 gallons of water; ozone-compatible with direct venturi ports; hybrid (half cone) skimmer body for greater foamate stabilization; body 31.5 in, footprint 53.2 x 41.5 in, height 75 in; collection cup 23.6 in diameter, 14.5 gal volume.
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FilterReef Octopus
The Reef Octopus Q8 is a commercial-size foam fractionator for systems of 20,000-26,500 gallons; extremely efficient at removing dissolved organics and pollutants from seawater. Utilizes six Bubble Blaster HY-10000 pinwheel pumps injecting microbubbles into a 40 in diameter body mixing with ~250 gallons of water; ozone-compatible with direct venturi ports; hybrid (half cone) body; over-sized collection cup with neck cleaner and drain; body 40 in, footprint 60 x 50 in, height 85 in; collection cup 23.6 in diameter, 14.5 gal volume.
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FilterQanvee
The Qanvee Fluidized Moving Bed Filter is an air-driven biological filtration system engineered to maximize nitrifying bacterial colonies in freshwater aquariums and shrimp tanks. Powered by an internal air stone, this filter keeps self-cleaning bio media continuously suspended and tumbling within the chamber. The continuous friction rubs off dead or weak bacterial film, allowing only the most robust, active nitrifying bacteria to colonize the media surface. Features self-cleaning fluidized media motion, enhanced ammonia and nitrite processing, shrimp and fry safe pre-filter, complete setup kit with bio media and air stone, and aeration support. Available in LH-300 (up to 20 gal, $13.99) and LH-600 (20 to 50 gal, $16.99); air pump and airline tubing sold separately.
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FilterQanvee
The Qanvee Sponge Filter is a highly efficient, air-driven mechanical and biological filter engineered with dual media chambers for planted aquariums and breeding setups. Sponge filters are exceptionally good for shrimp tanks because they buffer flow into a gentle, controlled current while ensuring baby shrimp and fry never get sucked into the filter. Powered by an air pump, the dense foam traps floating detritus and provides a vast surface area for nitrifying bacteria. Features safe foam intake for dwarf shrimp and fry, dual refillable media chambers, high-density mechanical foam, biological bacteria haven, and adjustable telescopic outlet. Models: QS100A (up to 15 to 20 gal, $14.99) and QS200A (20+ gal, $18.99); air pump, media, check valve, and airline tubing sold separately.
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FilterNyos
The Nyos Quantum 220 EQ is an app-controllable in-sump protein skimmer for marine aquariums of 125 to 500 gallons, driven by a 24V Quantum 5.0 pump with 1-100% speed control via Mobius or Apex Fusion. It features a twist-lock collection cup, integrated RGB LED status light, and precision water-level adjustment in a 9.3 x 12.2 x 23.8 inch footprint.
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FilterNyos
The Nyos Quantum 220 is an in-sump protein skimmer for reef tanks rated for heavy bioloads up to 125 gal, medium up to 250 gal, and light up to 500 gal, powered by the 22W Quantum 5.0 pump with a Hybrid Wheel impeller for fine micro-bubbles. It features individual air and water adjustment, a Twister bubble plate, quick-twist collection cup, and fully disassemblable construction for cleaning.
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FilterNyos
The Nyos Quantum 300 EQ is a high-performance in-sump protein skimmer for aquariums up to 4,000 liters (1,000 gal), driven by two energy-saving 24V Quantum 5.0 controllable pumps (~2x 20W) with 1–100% stepless speed control via the Mobius app (Apex Fusion integration requires the separate MXM module). It features a flow-optimized Sinus body, micro-adjustment water level, twister diffuser plate, twist-lock collection cup, titanium screws, integrated RGB LED feedback with safety alerts, and special Plankton Saving and Nutrient Export Reduction modes; footprint 13.4" x 16.4" x 26"H.
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FilterNyos
API Aqua Essential Water Conditioner neutralizes harmful chemicals such as chlorine and chloramine in tap water. Using it in freshwater aquariums creates a safe environment for fish.
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FilterNyos
DC Control Pack by Aquaforest.
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FilterFluval
Fluval Quick-Clear are ultra-fine polyester water-polishing pads designed for Fluval 06 and 07 series canister filters, trapping micro particles and debris for crystal-clear freshwater or saltwater.
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FilterBulk Reef Supply
Flexible tubing for a compatible aquarium dosing setup. Brand: Bulk Reef Supply.
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FilterUltum Nature Systems
The Red Sea Roller Mat Adapter converts the first chamber weir of a UNS R System into a funnel for the Red Sea ReefMat. Built from reef-safe 3D-printed PETG, the R60-90 adapter attaches directly with the included nut and fits the Red Sea ReefMat 250, while the R120-180 adapter uses the included female thread with the ReefMat 500's soft tubing.
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FilterPro Clear Aquatic Systems
The Pro Clear RedFlex 100 Reef Sump is a 23.5 x 10 x 16 inch red and white acrylic sump rated for saltwater aquariums up to 100 gallons. It has a 4-inch 200-micron filter sock, bubble diffusers, an adjustable refugium water level gate, probe and dosing tube holders, and cord management; a filter sock, flexible hose, and foam block are included.
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FilterPro Clear Aquatic Systems
The Pro Clear Aquatic Systems RedFlex 200 is a reef sump purpose-built for saltwater aquariums up to 200 gallons, finished in red and white acrylic. Water passes through bubble diffusers into dual 4-inch 200-micron filter socks, with a refugium chamber whose flow gate adjusts water level between 6 and 9 inches, plus integrated dosing tube, probe, and cord management; includes filter socks, bulkheads, flexible hoses, and foam block.
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FilterPro Clear Aquatic Systems
The RedFlex 300 Reef Sump from Pro Clear Aquatic Systems is purpose-built for saltwater reef systems up to 300 gallons, with a bold red and white acrylic finish. Water enters through overflow ports, passes through integrated bubble diffusers, and flows into three 4-inch 200-micron filter socks for mechanical filtration; an overflow panel provides added protection allowing water to bypass safely if the socks clog. The refugium chamber features an adjustable flow gate that fine-tunes water levels between 6 and 9 inches to match skimmer requirements. Integrated dosing tube holders, probe mounts, and wire management keep equipment organized; includes flexible hoses, 4-inch filter socks, foam block sponge, and (2x) 1-inch bulkheads. 37x14.5x16 inches.
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FilterPro Clear Aquatic Systems
The Pro Clear RedFlex 400 Reef Sump is a 45-by-14.5-by-16-inch acrylic filtration sump for saltwater systems up to 400 gallons. It routes water through dual overflows, bubble diffusers, and 4-inch 200-micron filter socks, with dosing, probe, and wire holders built in.
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FilterPro Clear Aquatic Systems
The Pro Clear RedFlex 4in1 100 Sump offers flexible filtration for salt or freshwater systems up to 100 gallons; it features a 4-inch 200-micron filter sock, a skimmer chamber, a chemical media canal, a convertible refugium with a built-in frag rack, and integrated probe, dosing tube, and cord management.
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