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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
5,380 matching items · Most used first
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.
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Wave GenerationReeflo
The ReeFlo Tiger Shark is an external end-suction centrifugal pump with a maximum flow of 8500 GPH and 55 feet of head pressure. It uses a fan-cooled commercial-grade motor for energy-efficient, quiet, high-flow water transfer in large aquarium systems.
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OtherReef Nutrition
Highly concentrated, refrigerated Tigriopus californicus copepods! Aquacultured in the United States under the care of world-renowned marine biologists at Reef Nutrition.
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LightsUltum Nature Systems
This listing is for the Titan 1 power adapter ONLY; the Titan 1 LED light is not included. Replacement adapter for the Ultum Nature Systems Titan 1 high-rendering RGB LED lighting solution for planted tanks. The Titan 1 provides the optimal spectrum to support healthy aquatic plant growth and illuminates the full range of colors found in an aquatic world.
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Climate ControlBulk Reef Supply
Includes Zen Reef Nano Mag Magnetic Heater Mounts! Over time any suction cup will start to fail, Zen Reef's Magnetic Heater Holders are the perfect solution.
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OtherTrigger Systems
The Trigger Systems Titanium 10 Gallon ATO Reservoir matches Titanium sumps, with built-in LEDs and remote, 1/4-inch push connect fittings, wire management clips, front water level markings, and Neptune Liquid Level Sensor compatibility.
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OtherTrigger Systems
A 5-gallon auto-top-off water reservoir from Trigger Systems designed to match their Titanium sumps; it includes built-in LEDs with remote, 1/4-inch push-connect fittings, a polycarbonate lid, front water-level markings, and Neptune liquid-level-sensor compatibility.
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Climate ControlBulk Reef Supply
A corrosion-resistant, shatterproof titanium heating element for aquariums, available in 100–600W models covering up to 200 gallons. It has no built-in thermostat and must be paired with an external temperature controller.
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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.
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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.
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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.
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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.
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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.
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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.
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FilterTop Fin
A sponge filter for aquarium filtration. Listed aquarium capacity: 10 gallon.
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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.
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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.
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SupplementationTriton
Increase your reef tanks Iodine without increasing other compounds or elements with ultra-pure Triton additives. The Triton System is based on accurate ICP-OES Testing that tells you exactly how much of any element may be in your aquarium allowing you to keep a healthy, sustainable reef ecosystem.
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SupplementationTriton
Increase your reef tanks Manganese without increasing other compounds or elements with ultra-pure Triton additives. The Triton System is based on accurate ICP-OES Testing that tells you exactly how much of any element may be in your aquarium allowing you to keep a healthy, sustainable reef ecosystem.
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SupplementationTriton
Increase your reef tank's Strontium without increasing other compounds or elements with ultra-pure Triton additives. The Triton System is based on accurate ICP-OES Testing that tells you exactly how much of any element may be in your aquarium allowing you to keep a healthy, sustainable reef ecosystem.
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SupplementationKorallen Zucht
Tropic Marin Trace Element Complex (500 mL) is a liquid trace element supplement for marine and reef aquariums, supplying the essential trace elements that corals and invertebrates consume during growth. Regular dosing replenishes depleted elements to support healthy growth and natural coloration.
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SupplementationTropic Marin
Easily maintain calcium, alkalinity, trace elements, & magnesium in your reef! Easily add Trace Elements To Your BRS Two Part!
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OtherAvidAqua
Multi-Function Coral Transporter Keeps Corals Safe During Transport from Frag Swaps, Local Fish Stores, or Trades Holds up to 52 Frags Securely Water-Tight, Snap-On Lid with Leakproof Seal Compact Size Fits in a Car’s Cup Holder or Backpack Pocket Includes an Insulated Zipper Cover to Help Maintain Water Temperature White Rack Side Allows for Easier Pest Identification During Coral Dips Patent-Pending Slide-Loc® System Holds Corals Firmly, Even Upside-Down Converts into Two Frag Racks for Your Tank With Two Included ModMag Sets Does It All – Travel, Dip, and Place Frags in Your Tank with One Product Convenient & Versatile Coral Transport The Traveler Mega Coral Transporter is designed for reef keepers who need a safe, leakproof, and temperature-stable solution for transporting corals. The Slide-Loc® system securely holds frags in place—even when inverted—while the snap-on, sili
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OtherAvidAqua
Multi-Function Coral Transporter Keeps Corals Safe During Transport from Frag Swaps, Local Fish Stores, or Trades Holds Up to 4 Frags Securely Water-Tight, Snap-On Lid with Leakproof Seal Compact Size Fits in a Car’s Cup Holder or Backpack Pocket Includes an Insulated Zipper Cover to Help Maintain Water Temperature White Rack Side Allows for Easier Pest Identification During Coral Dips Patent-Pending Slide-Loc® System Holds Corals Firmly, Even Upside-Down TSA Compliant for Hassle-Free Travel Convenient & Versatile Coral Transport Whether you're bringing home new corals from a frag swap, local fish store, or trading with fellow hobbyists, the Traveler Mini Coral Transporter ensures safe, leakproof, and temperature-stable transport. The Slide-Loc® system securely holds frags in place—even when inverted—while the snap-on, silicone-sealed lid prevents spills in any orientation.
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OtherAvidAqua
Multi-Function Coral Transporter Keeps Corals Safe During Transport from Frag Swaps, Local Fish Stores, or Trades Holds up to 12 Frags Securely Water-Tight, Snap-On Lid with Leakproof Seal Compact Size Fits in a Car’s Cup Holder or Backpack Pocket Includes an Insulated Zipper Cover to Help Maintain Water Temperature White Rack Side Allows for Easier Pest Identification During Coral Dips Patent-Pending Slide-Loc® System Holds Corals Firmly, Even Upside-Down TSA Compliant for Hassle-Free Travel Convenient & Versatile Coral Transport Whether you're bringing home new corals from a frag swap, local fish store, or trading with fellow hobbyists, the Traveler Mini Coral Transporter ensures safe, leakproof, and temperature-stable transport. The Slide-Loc® system securely holds frags in place—even when inverted—while the snap-on, silicone-sealed lid prevents spills in any orientation.
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Climate ControlNeptune Systems
Start your aquarium with the proper control system! Fully automate your aquarium with the A3 Apex Controller System, and while you are at it ensure your aquarium's calcium, alkalinity, and magnesium levels are always perfectly stable with the Neptune Systems Trident.
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Climate ControlNeptune Systems
Control and Monitor your Aquarium with ease Built in WiFi, key parameter monitoring, and reliable equipment control. Regular automated testing of alkalinity, calcium, and magnesium with an included 2 month supply of reagents!
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SupplementationNeptune Systems
Neptune Systems Trident ACM is an automated tester that continuously monitors alkalinity, calcium and magnesium in reef aquariums, testing up to 24 times per day with titration and an internal colorimeter. Results log into Apex Fusion for graphing, alerts and automation, and pairing with a DOS pump enables closed-loop automatic dosing control.
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OtherNeptune Systems
Automated Testing for the Three Most Critical Reef Parameters Fully Automated Alkalinity, Calcium, and Magnesium Testing Seamless Integration with Neptune Systems Apex Controllers Precision Testing with Consistent, Repeatable Results Test Your Aquarium Water up to 24 Times Per Day Apex Fusion Graphing, Alerts, and Automation Support Compatible with Automatic Dosing Control When Paired with DÅŒS The Neptune Systems Trident ACM is an automated testing device designed to continuously monitor alkalinity, calcium, and magnesium in saltwater reef aquariums. By removing the need for manual test kits, the Trident delivers consistent, high-frequency data that helps reef keepers better understand consumption trends, detect issues early, and maintain long-term stability.
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OtherNeptune Systems
Automated Testing for the Three Most Critical Reef Parameters Fully Automated Alkalinity, Calcium, and Magnesium Testing Includes 2-Month Trident ACM Reagent Kit Seamless Integration with Neptune Systems Apex Controllers Precision Testing with Consistent, Repeatable Results Test Your Aquarium Water up to 24 Times Per Day Apex Fusion Graphing, Alerts, and Automation Support Compatible with Automatic Dosing Control When Paired with DÅŒS Includes 2-Month Trident ACM Reagent Kit The Neptune Systems Trident ACM is an automated testing device designed to continuously monitor alkalinity, calcium, and magnesium in saltwater reef aquariums. By removing the need for manual test kits, the Trident delivers consistent, high-frequency data that helps reef keepers better understand consumption trends, detect issues early, and maintain long-term stability.
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