Discover aquarium tools, test kits, food and accessories and see 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
1,688 matching items · Most used first
OtherCoral RX
Coral Rx Pro concentrated coral dip was developed to be safe for corals while eliminating parasites and bacterial infections. Independently tested for efficacy with no iodine or oxidizers, the concentrated dip is diluted into a dip solution and makes about 17 gallons of dip from the 1 oz bottle, perfect for large or frequent additions of corals. Do not add Coral Rx Pro directly into the aquarium.
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OtherZen Reef
The Zen Reef Coral Transport Cup is a shatter-resistant, leak-proof container with a silicone gasket and reinforced lid, designed as an environmentally friendly alternative to bagging individual corals for transport. Available in 7.75 oz and 9.5 oz sizes, each cup holds up to three frags and is TSA-compliant for frag transport to and from shows.
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OtherMaxspect
Activated-carbon media for aquarium filtration. Brand: Maxspect.
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OtherPolyplab
Clip-on lens filter for phones and tablets that reduces blue light from aquarium LEDs so photos capture true-to-life fish and coral colors. Includes V3 lens, 15000K lens, clip, and cleaning cloth.
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OtherSea Side Aquatics
See your coral SPS and LPS clearly from the water’s surface. Coral Viewers allow you to view your corals in their true colors from the surface of the water without any surface agitation.
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OtherD-D The Aquarium Solution
D-D Coral Viewing Sunglasses are orange-tinted glasses that filter out the actinic blue light dominating reef aquariums so corals and fish are seen in more natural light with enhanced color pop. They provide UVA protection and reduce reflected and scattered light when viewing the tank.
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OtherProdibio
Prodibio Coral Vits combines all the vitamins needed for coral growth, coloration, and tissue repair in a water-soluble Neoguoutte formula that is gradually released into the reef aquarium.
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OtherSeachem
Seachem two-part gray epoxy putty for securing corals to rockwork or fusing rockwork in reef aquaria. About 5 minutes of working time, cures fully in 24 hours submerged or emerged; gray color blends with natural rock.
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OtherOceans Wonders
Ceramic coral frag plugs colored coralline purple to blend with natural coralline algae in the reef tank. Sold 30 per pack; fired at nearly 2000 degrees so they are inert and need no curing.
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OtherOceans Wonders
Oceans Wonders Coralline Purple Reef Epoxy is a 2oz reef-safe epoxy putty for attaching corals to frag mounts and live rock, and for building aquascapes. It works underwater or out, hardens in about 5 minutes, fully cures in 45 minutes, and cures purple to look like natural coralline algae.
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OtherEHEIM
EHEIM replacement cover for the Quick Vac gravel cleaner.
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OtherHikari
Hikari Crab Cuisine (1.76 oz) are sinking mini-stick pellets for lobsters, shrimp, crawfish, and other aquatic scavengers with higher calcium levels to promote shell development, dissolving without clouding water.
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OtherBulk Reef Supply
Blue graphic t-shirt with a crabby attitude design, made from a 50/25/25 poly/cotton/rayon blend. Available in adult sizes small through 3XL, with kids sizes also offered.
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OtherCaribSea
Half-inch diameter ceramic reef rod for building aquascapes without glue or epoxy. Inserts into pre-drilled holes in CaribSea Create-A-Scape base rock; available in 7, 14, and 21 inch lengths.
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OtherTrigger Systems
The Trigger Systems Crystal ATO 10 Gallon Reservoir is a crystal-clear acrylic closed container (10 x 16 x 15 inches) with a removable lid, a wide opening for a top-off pump, and two 0.25-inch holes for ATO plumbing or float switch wires.
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OtherTrigger Systems
The Trigger Systems Crystal ATO 5 Gallon Reservoir (6 x 14 x 15 in) is a crystal-clear acrylic closed container with removable lid and two 0.25-inch holes for ATO plumbing or float switch wires.
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OtherSeachem
The Maxspect Gyre XF350 Cloud Edition Two Pump Kit includes two XF350 gyre flow pumps (2x 5280 GPH) for near dead-spot-free linear water movement. The Cloud Edition controller offers over 20 wave presets, WiFi connectivity, and control via the Syna-G Cloud app from anywhere.
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OtherInnovative Marine
Magnetic probe holder that holds up to 5 probes (temp, pH, conductivity, ORP), mounting on glass or acrylic up to 12mm thick. Magnetically coupled padded design with silicone grips; no thumb screws needed.
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OtherInnovative Marine
Innovative Marine CustomCradle Pro Tube Holder organizes up to 4 dosing tube lines with a magnetically coupled mount that attaches to glass or acrylic up to 12mm thick. The low-profile cell cast acrylic holder fits 1/4-inch OD tubing and uses fully encapsulated magnets instead of thumb screws.
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OtherHanna Instruments
Hanna Instruments HI93703-50 Cuvette Cleaning Solution is a 230 mL solution for cleaning the glass cuvettes (vials) used with Hanna photometers, colorimeters, and turbidimeters, usable on both the inside and outside of the vials to keep readings accurate.
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OtherHanna Instruments
A 2-pack of replacement glass cuvettes with caps for Hanna Checker handheld colorimeters. The optical glass vials hold the water sample during colorimetric tests, and fresh cuvettes keep readings accurate.
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Other3F
3F Cyclops Frozen Fish Food 100 g offers tiny 2-3 mm algae-eating crustaceans, well suited for small and young tropical fish. Enhances natural fish colouration.
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Other3F
3F frozen Cyclops 500 g are 2-3 mm freshwater crustaceans well suited to small and young tropical fish. They enhance natural fish colouration.
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Other3F
3F Daphnia Frozen Fish Food 100 g is a natural whole food for most freshwater fish, made from small crustaceans (water fleas) enriched with blue-green algae. With added carotene to stimulate fish colours.
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Other3F
3F Daphnia with Carotene Frozen Fish Food 100 g is a natural whole food for most freshwater fish, made from small crustaceans (water fleas) enriched with blue-green algae and extra carotene to stimulate fish colours.
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OtherInland Craft
A compact diamond-blade band saw from Inland Craft built for coral fragging; the thin diamond-coated blade makes delicate, precise cuts through stony corals and live rock with minimal waste, and a built-in water-cooling system prevents heat damage to the corals.
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OtherNeptune Systems
10-foot male-to-female extension cable for Neptune Systems 24V DC accessories (EB832, 1Link). Extends the distance between the power module and accessories like the PMUP pump.
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OtherNeptune Systems
10-foot Neptune Systems cable with tinned bare-wire ends for connecting third-party 24V DC accessories (pumps, fans, solenoids up to 35W) to the DC24 ports on the EnergyBar 832 or 1Link module. Port can be switched on/off like an outlet.
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OtherNeptune Systems
The Reef Casa 12 Gallon Tank Starter Kit is a 12-gallon all-in-one glass nano aquarium kit that includes the tank with built-in filtration, a 200 GPH return pump with plumbing and nozzle, self-leveling mat, 50W heater, 6 lbs of sand, dry rock, reef salt for 16 gallons, bacteria and ammonia chloride for cycling, filter floss, carbon, bio blocks, thermometer, hydrometer, and a choice of lighting.
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OtherFlipper
Flipper 4-inch optical-grade magnifying viewer held to the glass by strong magnets (safe for glass/acrylic up to 5/8 inch). Ideal for checking corals and fish for disease or pests and for aquarium photography; 3 to 8 inch focal range.
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