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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
SupplementationAPI
API Marine Melafix is a safe, natural medication with Melaleuca (tea tree) extract used to treat bacterial infections in saltwater fish and corals. It includes Aloe Vera to promote regeneration of damaged fish tissue; 16oz treats 948 US Gallons of Saltwater.
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OtherFlipper
An 18-inch hand scraper from Flipper for glass and acrylic aquariums, with a solid fiberglass rod and rubber handle for reaching deep into larger tanks. Its patent-pending blade holder accepts any old credit or gift card as a replaceable algae blade inserted at any angle, and includes one glass/acrylic-safe blade card that can be cut into custom shapes for difficult areas.
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FilterWavereef
WaveReef Biomedia BioBalls (1 kg, 40 pcs) are crafted using advanced ceramic nanosphere technology. Each piece consists of 100 million ceramic nanospheres heated to over 1800 C, creating an ultra-porous structure that maximizes surface area — a single BioBall offers up to 450 square meters for colonization by beneficial bacteria.
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SupplementationISTA
ISTA 1L CO2 Supply Set — A CO2 supply kit for thriving aquariums. Designed for both novice and experienced aquarists.
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SupplementationKorallen Zucht
Korallen-Zucht KH Plus Concentrate (1 L) is a ready-to-use liquid solution that raises or maintains carbonate hardness (alkalinity) in reef aquariums, supporting coral skeleton growth, coral health and system stability. Designed for small to medium systems or moderate alkalinity demand, it is dosed by hand or with a dosing pump (max 1 ml per 25 gallons daily), complementing the ZEOvit system.
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OtherNeptune Systems
Neptune Systems 1LINK Power and Communication Module w/ Power Supply — Hooks up to any current Apex controller and allows control of the WAV pumps. Setup is click and go.
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OtherTriton
Triton 1-Pack ICP-OES Testing Kit; provides laboratory analysis of 36 macro and trace elements in reef tank water. Includes sample vials and detailed results with corrective recommendations from the USA Triton Lab.
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SupplementationESV Aquarium Products
ESV B-Ionic Calcium Buffer System is a two-part alkalinity and calcium solution used in equal amounts to maintain reef-aquarium chemistry and help replace ions lost through protein skimming. The package includes one gallon of each component; the recommended starting dose is 1 mL of each per four gallons daily, adjusted through regular calcium and alkalinity testing.
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SupplementationISTA
ISTA 2 in 1 CO2 Bubble Counter & Check Valve — Versatile dual-function device serving both as a CO2 bubble counter and a check valve. Durable acrylic material provides clear, easy bubble reading.
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SupplementationOXO
The OXO 2 Part Scale is a compact kitchen scale for accurately weighing 2-part aquarium additives, with 5 lb capacity, 1/8-oz and 1-gram increments, zero function, pull-out display, and 2 AAA batteries included.
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OtherNeptune Systems
Neptune Systems 2 in Flow Sensor FS200 — Flow sensor for the Fluid Metering Module from Neptune. The FS-200 works with flow rates 300-3000 gph and connects to any standard 2 in slip PVC.
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OtherPython
Python 2 in Pro-Clean Gravel Wash — Water changes are a top secret to success in the hobby. Python water change systems last a lifetime while helping keep the tank at full beauty.
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FilterNyos
Nyos 2.0 Torq G2 Modular Media Reactor Body — The innovative modular TORQ reactor in a second generation. No screws, pumps, or tubing needed - just the body and the dock for a potent easy-to-use media reactor.
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FilterFiji Cube
The Fiji Cube 20 Gallon Long Sump Baffle Kit converts a standard 20-gallon aquarium into a custom sump with filter sock holders, silencers, filter socks, baffle slots for skimmer/refugium/return, media trays, bio-foams, and adjustable water level (4.5-8 in).
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Tank & FurnitureJBJ
The JBJ 20 Gallon Nano Aquarium Stand is a high-gloss black cabinet stand designed to complement JBJ Nano Rimless AIO aquariums. Its ventilated back panel keeps heat and humidity down while leaving room for a small chiller, controller, or ATO; measures 16.25 x 18.5 x 36 inches and weighs 60 lbs.
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Substrates & AquascapingCaribSea
CaribSea 20 lb. Special Grade Arag-Alive! — Natural perfection with live bacteria for a faster cycle. Ready to use with no rinsing.
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Tank & FurnitureInnovative Marine
Innovative Marine 20 NUVO Fusion AIO Long Aquarium — Uncompromised quality at an unmatched price. AIO all-in-one filtration with built-in safety features.
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Tank & FurnitureInnovative Marine
Innovative Marine 20 Nuvo Fusion Long SafeScreen Mesh Screen Lid — Keep your NUVO 20 aquarium residents safe. Pre-assembled and ready to use.
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Tank & FurnitureInnovative Marine
Innovative Marine 20 NUVO Fusion Peninsula PRO 2 AIO Aquarium with APS Pedestal — A small slice of the ocean with sophistication and style. PRO 2 bundles include everything needed to start out of the box.
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FilterReef Octopus
The Reef Octo 200 Micron Felt Filter Sock is a high-quality mechanical filtration media designed to capture fine particles before they break down and affect water quality. Made from durable 200-micron felt, it efficiently traps detritus, uneaten food, fish waste, and other suspended particles; durable, reusable, easy to clean, suitable for most sump filtration systems.
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FilterAquatec
The Aquatec 200 mL Barrel Style Flow Restrictor is a replacement component for reverse osmosis systems with 20-30 GPD membranes. It regulates the waste-to-product water ratio to keep the RO membrane operating properly.
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Climate ControlAquaReady
The AquaReady Preset Aquarium Heater (200W, 13 in, shatterproof glass) is an open-box submersible heater preset to 77°F/25°C with thermal-safety shutoff and LED indicator, suitable for 40-60 gallon aquariums.
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Climate ControlBulk Reef Supply
200W Titanium Aquarium Heater System - WiFi — Complete temperature control system with a virtually unbreakable titanium heating element paired with an Inkbird ITC-306a Wi-Fi Aquarium Temperature Controller. Controller has two large LCD displays, Wi-Fi app notifications, dual power relays, dual temperature probes, and a two-outlet dongle to control two heating elements.
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Climate ControlBulk Reef Supply
50-gallon all-in-one lagoon-style reef aquarium bundled with a white anodized-aluminum APS stand. Includes a controllable MightyJet 538 GPH DC return pump, CustomCaddy media basket with filter media, filter sock, screen lid, glass cleaner, and adjustable flow nozzles.
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OtherBulk Reef Supply
22oz BRS Orca Hydra Bottle — Sip in style – stay cool. 24-hour cold & heat retention.
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OtherEshopps
The Eshopps 23 Hole Straight Frag Rack is a magnetic-mounted rack that holds up to 23 coral frag plugs on aquarium glass up to 3/8" thick. The 12" x 4" straight rack lets you observe, acclimate, and display frags before final placement.
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LightsATI
The ATI 24-inch Dimmable SunPower T5 Light Fixture (4x24W, 6x24W, or 8x24W) has individual silver-coated parabolic reflectors, active cooling, built-in controller with up to 10 set points for dawn-dusk simulation, built-in ballasts, and an adjustable hanging kit, bulbs not included.
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LightsATI
The ATI 24 in LED T5 PowerModule Hybrid combines LED clusters with T5HO bulbs for full-coverage reef lighting with color/intensity control and LED shimmer; 1x75W LED with 4x24W or 8x24W T5, built-in controller, active cooling, bulbs not included.
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OtherRed Sea
Red Sea 24 in x 24 in (R42080) Customizable DIY Aquarium Net Cover (open box) — Keep your fish in your aquariums. Aluminum frame and components allow customizing the top around rim-mounted equipment such as lights, filters, and returns.
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Substrates & AquascapingCaribSea
Single 24-inch XL arch of CaribSea LifeRock for large reef aquariums. Real aragonitic base rock with extensive micro and macro porosity, infused with spored bacteria for biological filtration, and coated to mimic mature coralline-covered rock. Weighs about 25 lbs; one unique handmade piece per box.
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