Compare canister filters, HOBs, skimmers and rollmats through specs, prices and the tanks using them.
Build your setup
Find the gear behind the community's tanks.
Tanks, stands, lids
Canister filters, HOBs, protein skimmers, rollmats
Planted LEDs, high-actinic coral LEDs
Heaters, chillers, electronic controllers
Return pumps, wavemakers, gyres
Aquasoils, sands, dry reef rock, driftwood
Conditioners, RODI systems, marine salt mixes
Plant fertilizers, liquid CO₂, reef dosing pumps, calcium & alkalinity
Tools, food, testing, and the finishing touches
In community tanks
Chosen by aquarists
892 matching items · Most used first
FilterTetra
Replacement filtration media for the Tetra BIO-Bag Aquarium Cartridges - Biological Aquarium Filter Media for Fish Tanks. Match the cartridge or media size to the filter before use.
0 showcased tanks
FilterTetra
Pond filtration kit combining a pump, filter and fountain attachments. Different sizes are offered for different pond volumes.
0 showcased tanks
FilterTetra
A large-size Tetra Whisper Bio-Bag cartridge with Stay Clean technology; the integrated time-release tablet stabilizes pH and reduces glass buildup while dual-sided floss and Ultra-Activated carbon trap debris, odors, and discoloration. It fits Whisper IQ 20, 30, 45, and 60, 20i, 40i, and PF20, PF30, PF40, and PF60 filters.
0 showcased tanks
FilterTetra
A medium-size Tetra Whisper Bio-Bag cartridge with Stay Clean technology; the integrated time-release tablet stabilizes pH and reduces glass buildup while dual-sided floss and Ultra-Activated carbon trap debris, odors, and discoloration. It fits Whisper IQ 10, 10i, and PF10 filters.
0 showcased tanks
FilterTetra
Tetra Whisper 3i In-Tank Filter is an air-driven internal filter for aquariums up to 3 gallons, suited to small fish and breeding setups. It includes the filter, an air pump, airline tubing, and a small Bio-Bag cartridge, and mounts inside the tank via suction cups or a bracket.
0 showcased tanks
FilterTetra
Disposable filter cartridges (Small) for the Tetra Whisper 3i in-tank filter; the dense dual-sided mesh catches debris and fish waste while ultra-activated carbon absorbs odors and discoloration.
0 showcased tanks
FilterTetra
Disposable filter cartridges (Large) for Tetra Whisper power filters; the dense, dual-sided mesh catches debris and fish waste while Ultra-Activated carbon absorbs odors and discoloration for crystal-clear aquarium water.
0 showcased tanks
FilterTetra
Medium disposable Bio-Bag filter cartridges for Tetra Whisper PF10 power filters, 10i internal filters, and ReptoFilter 90 GPH; the dense dual-sided mesh catches debris and fish waste while the Ultra-Activated carbon removes odors and discoloration to keep aquarium water crystal clear.
0 showcased tanks
FilterTetra
The Tetra Whisper In-Tank Power Filter for 10 to 30 gallon aquariums is an internal filter with a 135 GPH pump, letting the tank sit flush against a wall since the filter clips inside rather than hanging outside. It uses easy-to-change Whisper Bio-Bag cartridges with dual-sided mesh and ultra-activated carbon, adjusts for high or low water levels, and runs in as little as 2 inches of water, making it suitable for turtle tanks as well.
0 showcased tanks
FilterTetra
Tetra Whisper In-Tank Power Filter is an all-in-one air-pump and filter unit for 5-10 gallon aquariums that mounts inside the tank with a clip. It is air-driven, filtering up to 80 GPH while oxygenating the water through replaceable dual-sided mesh Bio-Bag cartridges.
0 showcased tanks
FilterTetra
The Tetra Whisper 40i is an in-tank internal power filter for aquariums up to 40 gallons, with a 170 GPH flow rate and an under-water motor for extremely quiet operation. It mounts inside the aquarium with suction cups or a clip (allowing the tank to sit flush against the wall), provides three-stage filtration through a large Whisper Bio-Bag cartridge (cartridge floss for debris, Ultra-Activated carbon for odors and discoloration, and biological filtration for ammonia), and can function in as little as 2 inches of water, making it suitable for turtle tanks and waterfall setups.
0 showcased tanks
FilterTetra
A power filter for aquarium water filtration. Available in multiple sizes; choose the model for your aquarium.
0 showcased tanks
FilterTetra
A power filter for aquarium water filtration. Tetra Whisper Power Filter Quiet 3-Stage Aquarium Filtration for 5 to 10 Gallon Aquariums.
0 showcased tanks
FilterSeachem
The Seachem Tidal 110 is a hang-on-back power filter for aquariums up to 110 gallons, moving up to 450 gallons per hour with a self-priming pump that restarts after power outages. Its large media basket holds mechanical, chemical, and biological media, and the adjustable flow plus surface skimmer keep the water polished.
0 showcased tanks
FilterSeachem
The Seachem Tidal 35 is a hang-on-back power filter rated for aquariums up to 35 gallons, delivering 130 GPH through a large customizable media basket that includes a sponge and Seachem Matrix bio-media; it features a self-priming pump, a built-in surface skimmer, adjustable flow, a self-cleaning impeller, and a maintenance-alert indicator, and works in freshwater or marine tanks.
0 showcased tanks
FilterSeachem
The Seachem Tidal 55 is a hang-on-back power filter designed in partnership with Sicce for aquariums up to 55 gallons, delivering an adjustable flow rate of 250 GPH at just 6 watts. It features a dual intake (surface skimmer plus telescoping sub-surface pipe), a self-priming pump with self-cleaning corrosion-resistant impeller, a large 1.2-liter media basket that accepts any filter media (includes Matrix bio-media and foam), a maintenance alert indicator, overflow prevention, and an optional heater holder.
0 showcased tanks
FilterSeachem
The Reef Octopus Regal 170 INT is an in-sump protein skimmer rated for aquariums up to 300 gallons, built of high-quality cast acrylic with a hybrid conical body; it is driven by a controllable DC pinwheel pump (VarioS/RODC 3500s) with variable-speed air/water flow control, a float-switch overflow protection, and a gate valve for precise water-level tuning.
0 showcased tanks
FilterTop Fin
The Top Fin BETTAFLO internal filter provides gentle 20 GPH filtration for 5-gallon betta aquariums, keeping water calm with low flow while cleaning via Bettaflo filtration. It attaches to the glass with suction cups and is fully submersible.
0 showcased tanks
FilterTop Fin
The Top Fin Aquarium Sponge Filter provides gentle 2-stage filtration for aquariums up to 75 gallons and can be used alone or as supplementary filtration. It includes the SF75 sponge, an air stone, and a clear riser tube; air pump and airline tubing are sold separately.
0 showcased tanks
FilterTop Fin
Replacement filtration media for the Top Fin CN-S Corner Filter Cartridges - Fish Tank Filter Cartridges - 3-6 Count. Match the cartridge or media size to the filter before use.
0 showcased tanks
FilterTop Fin
The Top Fin IF20 Internal Aquarium Filter is a compact 90 GPH submersible filter designed for 10 to 20 gallon freshwater and saltwater aquariums. It offers 4-stage filtration through internal media, includes the filter and media, and measures 1.77 by 1.77 by 4.77 inches.
0 showcased tanks
FilterTop Fin
The Top Fin IF40 is a 4-stage internal aquarium filter that provides mechanical, biological, and chemical filtration at 140 gallons per hour while aerating the return water to add oxygen; intended for 30- to 40-gallon freshwater or saltwater aquariums, it includes a cartridge with ceramic granules, activated carbon, zeolite, and filter sponge.
0 showcased tanks
FilterTop Fin
The Top Fin PRO110 Silenstream power filter is a hang-on-back filter for 30-110 gallon fresh and saltwater aquariums, providing 4-stage filtration up to 500 GPH with pre-filter sponge, carbon bags, filter sponges, and biological media. It includes an adjustable intake tube, protein skimmer, and cartridge replacement reminder.
0 showcased tanks
FilterTop Fin
A sponge filter for aquarium filtration. Listed aquarium capacity: 10 gallon.
0 showcased tanks
FilterTop Fin
The Top Fin Silenstream Aquarium Power Filter is a hang-on-back filter for freshwater and saltwater aquariums from 10 to 75 gallons, with 3-stage filtration and up to 300 GPH flow. It includes an adjustable intake tube, bio-cartridge, and filter cartridge.
0 showcased tanks
FilterEHEIM
EHEIM TORFpellets (1 l) are a chemically acting filter peat made of specially treated, acidic peat, rich in valuable substances such as humic acids and trace elements. The peat pellets lower (acidify) the pH-value of the water and reduce water hardness; peat filtration is particularly suitable for tropical clear to black water; for freshwater only.
0 showcased tanks
FilterTrigger Systems
This item has a $49.99 S&H surcharge. Next-Gen Trigger Systems Platinum 20 Sump Ideal for Aquariums up to 90 Gallons Dimensions: 20" L x 20" W x 15" H Flexible Mechanical Filtration Options Built-In Cable Management & Probe Holder Premium Acrylic Build for a Professional Look The Platinum V2 builds on Trigger Systems’ original design with a more flexible, user-focused layout.
0 showcased tanks
FilterTrigger Systems
This item has a $49.99 S&H surcharge. Next-Gen Trigger Systems Platinum 34 Sump Ideal for Aquariums up to 180 Gallons Dimensions: 34" L x 15" W x 15" H Flexible Mechanical Filtration Options Built-In Cable Management & Probe Holder Premium Acrylic Build for a Professional Look The Platinum V2 builds on Trigger Systems’ original design with a more flexible, user-focused layout.
0 showcased tanks
FilterTrigger Systems
This item has a $49.99 S&H surcharge. Next-Gen Trigger Systems Platinum 39 Sump Ideal for Aquariums up to 220 Gallons Dimensions: 39" L x 16" W x 15" H Flexible Mechanical Filtration Options Built-In Cable Management & Probe Holder Premium Acrylic Build for a Professional Look The Platinum V2 builds on Trigger Systems’ original design with a more flexible, user-focused layout.
0 showcased tanks
FilterBulk Reef Supply
Z style triple bracket for standard 10" x 2.5" RO canisters. If you are building your own RODI or other types of water filtration systems, our Z-Brackets will give any system the professional touch.
0 showcased tanks