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
FilterBrightwell Aquatics
Brightwell Aquatics Extrax Phos is an advanced spherical phosphate-adsorption media for freshwater and marine aquariums. It rapidly adsorbs phosphate and silicate without releasing them back into the water, and its spherical shape maximizes surface area and contact time for greater reactivity and efficiency.
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FilterMaxspect
Maxspect Nano-Tech Far Infrared Bio-Spheres (1 kg) made from inert ceramic with tourmaline, maifanitum, actinolite, and volcanic rock minerals, fired above 2300°F. Releases far-infrared wavelengths aiding water clarity; recommended for freshwater aquariums only.
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FilterMaxspect
Maxspect Nano-Tech Far Infrared Bio-Spheres are a 2kg inert ceramic biological filter media fire-cured above 2300°F for strength and long life, made with tourmaline, maifanitum, actinolite, and volcanic rock minerals. The tourmaline releases far-infrared wavelengths (4–12 μm) that aid water clarity and odor reduction and a weak 0.06mA current that helps break down chlorine in tap water; recommended for freshwater aquariums only.
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FilterBulk Reef Supply
Chrome faucet diverter adapter kit for RO systems; fits virtually all kitchen faucets with 13/16-inch or 15/16-inch threads (male 27 threads). Diverts water flow between the faucet and the RO unit.
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FilterReef Octopus
The Reef Octopus FB-200 is a filter bag bracket designed to hold a filter bag for mechanical filtration in an aquarium sump or filtration setup.
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FilterHelloReef
The HelloReef Felt Filter Sock (2.7 in, 225 micron) is a mechanical filter sock designed for the HelloReef 15 Gallon Aquarium, trapping detritus, uneaten food, and other particulates; it is a direct replacement for the sock included in the HelloReef 15 Gallon Clownfish and Anemone Aquarium Kit.
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FilterInnovative Marine
The Innovative Marine Felt Filter Sock with Plastic Ring is a 4 inch by 12 inch, 200-micron mechanical filter sock for aquarium sumps and filtration compartments. Made of double-stitched, pre-rinsed felt with a plastic ring and internal handles, it polishes water and helps export nutrients; it is the replacement sock for Innovative Marine SR series tanks.
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FilterRed Sea
A washable 225-micron felt filter sock sized 4 by 10 inches with a plastic ring, designed for Red Sea Reefer and MAX-S series sumps. It traps detritus and free-floating particles for crystal-clear water; keeping a few extra on hand and swapping them every couple of days gives the best results.
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FilterFiji Cube
Fiji Cube felt filter sock with a plastic ring for quick replacement; 200-micron felt material, 2.75x7 inches. Traps free-floating debris; compatible with all Fiji Cube AIO tanks.
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FilterBulk Reef Supply
BRS 200-micron felt filter sock 4 x 14 in with plastic ring traps floating debris, excess food and detritus on overflows for crystal-clear water. Felt removes finer particles than mesh but clogs faster; the ring fits common sump holders.
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FilterBulk Reef Supply
BRS 200-micron felt filter sock 4 x 8 in with plastic ring traps floating debris, excess food and detritus on overflows for crystal-clear water. Felt removes finer particles than mesh but clogs faster; the ring fits common sump holders.
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FilterFiji Cube
The Fiji Cube Fiji-12 Advanced Reef Sump (2nd Gen) is a full cast acrylic sump (12.5 x 14 x 12 inches) for 10-40 gallon tanks with interchangeable floss box/sock holder, built-in heater and probe holders, dosing holes, ATO float valve holder, adjustable water level (5-12 inches), and a polycarbonate cover.
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FilterFiji Cube
The Fiji Cube Fiji-30 Advanced Reef Sump (2nd Gen) is a full cast acrylic sump with an interchangeable filter sock holder and floss tray, a built-in heater holder, probe and dosing tube holders, and a polycarbonate cover; it is 30 x 15 x 16 inches and recommended for 125-225 gallon tanks.
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FilterBulk Reef Supply
Pre-filled hot-swappable air dryer media cartridge for the BRS Jumbo Ozone Air Dryer; holds 3 lbs of media for quick, easy maintenance.
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FilterMaxspect
Maxspect filter lens kit (Grande size) for the Pastel Reef Magnifier, including an orange Sunset Boulevard lens and a yellow Gouda Cheese lens to filter blue light for color-accurate coral photos. Magnifier sold separately.
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FilterMaxspect
Maxspect filter lens kit (Standard size) for the Pastel Reef Magnifier, including an orange Sunset Boulevard lens and a yellow Gouda Cheese lens to filter blue light for color-accurate coral photos. Magnifier sold separately.
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FilterBulk Reef Supply
200-micron mesh media bags (4 x 8 inch, 2 pack) with draw strings for holding loose filter media like carbon, GFO, or any other loose media. The mesh allows flow through the media while keeping it contained; they are easily cleanable and reusable, conform to baffles and chambers, and can also be used as effective filter socks; capacity 4.25 cups / 1000 mL.
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FilterFilter Media Cup
4-inch filter media cup adapter (adapter only) that slides onto the Filter Media Cup to accommodate C-shaped or slightly larger filter sock holders. Sea foam white, BPA-free polypropylene; 3.5-inch inside diameter, 4.6-inch outside diameter.
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FilterFilter Media Cup
The Filter Media Cup Silencer (Lid Only) is a reef-safe noise-reducing lid for the 4-inch high-flow flexible filter media cup (sold separately); made in the USA from 100% virgin BPA-free polypropylene in Sea Foam White.
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FilterFilter Media Cup
The Filter Media Cup Silencer (Lid Only, Sea Foam White, 7 inch) is a reef-safe noise-reducing lid of BPA-free polypropylene for the 7-inch High Flow Flexible Filter Media Cup.
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FilterBulk Reef Supply
The BRS Filter Sock Mount is a hang-on bracket that adds mechanical filter-sock filtration to a sump without built-in sock holders. It includes adapters for both 10 cm (4 inch) and 18 cm (7 inch) filter socks plus leveling screws for easy installation and removal.
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FilterWaterbox Aquariums
The Waterbox Filter Sponge (2 pack) is a replacement filter sponge for the Waterbox Cube 10 Nano AIO and Cube 15 Peninsula Nano AIO; its porous, non-toxic structure promotes beneficial bacteria growth while trapping debris, and it should be replaced every 4-6 weeks.
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FilterWaterbox Aquariums
Replacement filter sponges for the Waterbox Cube 20 Nano AIO and Cube 25 Peninsula Nano AIO aquariums (2 per pack); the durable, non-toxic porous sponge traps debris and promotes beneficial bacteria growth, and should be replaced every 4-6 weeks.
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FilterDMFit
DMFit push-connect filter strainer with 100-mesh (150-micron) stainless screen to protect booster pumps from large sediment. Available in 1/4-inch and 3/8-inch sizes; rated to 170 psi.
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FilterEHEIM
EHEIM FIX (1 litre) is a specially formed prefilter material used as a separation layer between the mechanical and biological filter media in EHEIM external filters. It traps larger dirt particles before the water enters the biologically active filter layers; it is easy to clean, reusable, and suitable for fresh and marine water.
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FilterFluval
Fluval Flex 2.0 Poly-Carb replacement cartridges (3-pack) providing 2-in-1 mechanical and chemical filtration for crystal-clear water. Compatible with Flex 2.0 9-gallon and 15-gallon aquariums; replace every 2-4 weeks.
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FilterFlipper
The Flipper DeepSee Orange Lens Filter - Max 5 inch is an orange lens filter compatible with the Flipper DeepSee Viewer; it filters blue light to make coral colors pop, ideal for coral photography and general viewing. Fits the 5-inch DeepSee Viewer model.
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FilterFlipper
The Flipper DeepSee Orange Lens Filter - Standard 4 inch is an orange lens filter compatible with the Flipper DeepSee Viewer; it filters blue light to make coral colors pop, ideal for coral photography and general viewing. Fits the 4-inch DeepSee Viewer model.
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FilterFluval
Two-pack of Bio-Foam filter blocks (A220) for Fluval 104/105 external canister filters; the porous foam provides mechanical straining of large particulate waste and prevents premature clogging of other filter media in the module stack.
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FilterFluval
The Fluval 107 is the smallest canister filter in the 07 series, rated for 10-30 gallon freshwater or saltwater aquariums with a 145 GPH pump (95 GPH filter circulation, 10W, 4.75-foot max head). It is up to 25% quieter than the previous generation and includes Bio-Foam, Bio-Foam+, Bio-Foam Max, carbon, and BIOMAX media, with EZ-Lift media baskets, a quick primer, and Aquastop valve for easy maintenance (7.5" x 7" x 13.7").
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