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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
FilterSimplicity
The Simplicity 540DC is an in-sump protein skimmer rated for tanks up to 540 gallons. Its controllable DC pump with needle-wheel impeller creates micro-fine bubbles in a hybrid cone body, with an adjustable air intake and included controller with digital readout.
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LightsKorallen Zucht
The Korallen-Zucht 54W Fiji Purple High Output T5 Lamp is a 54-watt high-performance T5 fluorescent tube with a blue-red spectrum designed for reef aquariums. It enhances coral coloration without increasing algae growth, and features long-lasting German engineering.
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OtherReal Reef Solutions
Real Reef Shelf Rock is a 55-pound box of man-made, biologically active aquascaping rock produced in the USA from calcium carbonate and trace elements, colored with non-toxic coralline pigments in purple, pink, and red. The flat shelf pieces (10 to 18 inches) are ideal for SPS aquascapes and should be cured before use in an established system.
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Water PurificationLifegard Aquatics
The Lifegard Aquatics 55 Watt Pro-MAX High Output UV Sterilizer is a flow-through UV sterilizer for freshwater or saltwater aquariums up to 350 gallons, effective against bacteria and water-borne algae blooms. Its patent-pending design has angled inlet and outlet ports that can be positioned in several directions, 2 inch slip connections, and a ballast with a lamp life countdown display.
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Water PurificationAqua Ultraviolet
The Aqua Ultraviolet 57 Watt Classic UV Sterilizer with a white body uses ultraviolet light to reduce pathogens, bacteria, viruses, parasites, and algae in aquarium water. It is rated for reef tanks up to 355 gallons without altering water chemistry.
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Water PurificationAqua Ultraviolet
The Aqua Ultraviolet 57 Watt Classic UV Sterilizer with a black body and 3/4-inch inlet/outlet is a plug-and-play UV unit for saltwater, freshwater, and pond use. It kills bacteria, viruses, algae, and other pathogens for clearer water and healthier fish and corals, with an adjustable flow rate and a watertight cap for easy bulb changes.
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Water PurificationAqua Ultraviolet
A 57-watt classic UV sterilizer from Aqua Ultraviolet with a white housing and 3/4-inch inlet/outlet, using UV-C light to destroy algae spores, bacteria, and protozoa in ponds and aquariums. Its slim-line lamp lasts up to 14 months of continuous operation.
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OtherAPI
The API 5-In-1 Aquarium Test Strips (100 CT) test five important aquarium parameters, pH, KH, GH, nitrite, and nitrate, in one easy dip step for both saltwater and freshwater aquariums. The kit includes 100 test strips, 4 test tubes with snap-tight caps, a holding tub, and an instructional booklet with a color chart.
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OtherISTA
The ISTA 5-in-1 Maintenance Kit is an all-in-one aquarium cleaning kit with five tools: a rubber squeegee, a stainless steel scraper with an interchangeable blade, a glass-safe scrubber, a scraper vacuum cleaner, and a gravel siphon cleaner. It is designed for tackling algae, water spots, and gravel detritus in saltwater and freshwater tanks.
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SupplementationSimplicity
The Simplicity 5L Modular Dosing Container has a clear acrylic body with imperial and metric graduations, a snug-fitting lid, strong PVC hose connectors, and integrated float switch holders; multiple units can be connected together, and it resists reef-keeping chemicals including 2- and 3-part solutions.
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Tank & FurnitureUltum Nature Systems
The Ultum Nature Systems 5N is a 4.6-gallon nano rimless aquarium built from 91% clarity Diamant low-iron glass with 45-degree precision-cut mitered edges and clear silicone. It measures 14.17 x 8.66 x 8.66 inches with 5 mm non-tempered glass and includes a black leveling mat.
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Water PurificationBulk Reef Supply
The BRS 6 Stage 75 GPD Drinking & Reef RO/DI System produces pure RO/DI aquarium water plus drinking water, with sediment and carbon filtration, a 75 GPD membrane, DI stage, pressurized tank, and brushed nickel faucet.
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Water PurificationBulk Reef Supply
The BRS 6 Stage 75GPD Drinking & Reef RO/DI System produces up to 75 gallons per day of pure RO/DI water for aquariums plus drinking water, with 6 stages: 5-micron sediment filter, two carbon blocks, a 75 GPD DOW Filmtec membrane, inline carbon block, and a refillable single DI stage. It includes a 3.2-gallon pressurized tank, silver air-gap faucet, garden hose/under-sink adapters, automatic shut-off, Mur-lok push-connect fittings, and tubing.
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Water PurificationBulk Reef Supply
The Bulk Reef Supply 6 Stage Deluxe Plus 100 GPD RO/DI System is a six-stage reverse osmosis and deionization unit producing up to 100 gallons per day of 0 TDS purified water for reef aquariums. Its stages include sediment filtration, carbon blocks, an RO membrane, and DI resin, with replaceable filters to maintain performance.
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Water PurificationBulk Reef Supply
The Bulk Reef Supply 6 Stage Deluxe Plus 150 GPD Water Saver RO/DI System is a six-stage reverse osmosis and deionization unit producing up to 150 gallons per day of 0 TDS purified water, with a water-saver design that reduces waste water. Its stages include sediment filtration, carbon blocks, an RO membrane, and DI resin, with replaceable filters to maintain performance.
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Water PurificationBulk Reef Supply
The Bulk Reef Supply 6 Stage Deluxe Plus 200 GPD Water Saver RO/DI System is a six-stage reverse osmosis and deionization unit producing up to 200 gallons per day of 0 TDS purified water, with a water-saver design that reduces waste water. Its stages include sediment filtration, carbon blocks, an RO membrane, and DI resin, with replaceable filters to maintain performance.
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Water PurificationBulk Reef Supply
The Bulk Reef Supply 6 Stage Deluxe Plus 75 GPD RO/DI System is a six-stage reverse osmosis and deionization unit producing up to 75 gallons per day of 0 TDS purified water for reef aquariums. Its stages include sediment filtration, carbon blocks, an RO membrane, and DI resin, with replaceable filters to maintain performance.
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DIY
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Tank & FurnitureGlasscages
The Glasscages 60-inch Rimless Low-Iron Glass Aquarium (120 gallons) is a USA-built low-iron glass tank with a 16-inch Synergy Reef Shadow V3 overflow, paired with a pre-assembled black oak and maple hardwood stand and a 45-inch 42-gallon sump.
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Climate ControlBulk Reef Supply
The Bulk Reef Supply 600W Titanium Aquarium Heater System with WiFi pairs a virtually unbreakable 600-watt titanium heating element (for tanks up to 200 gallons) with an Inkbird ITC-306a WiFi temperature controller. The controller has dual LCD displays, dual power relays, dual temperature probes, app notifications, and an outlet dongle that can control two heating elements for redundancy.
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Climate ControlBulk Reef Supply
The Bulk Reef Supply 600W Titanium Aquarium Heater with Helio Controller pairs a shatterproof 600-watt titanium heating element (for tanks up to 200 gallons) with the Innovative Marine Helio universal heater controller. The Helio has a digital readout, audible alarms, out-of-water detection, and two output plugs supporting up to 1000 watts combined; the system includes a suction cup mounting kit with a 5-year controller and 3-year element warranty.
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SupplementationTropic Marin
Tropic Marin Reef Actif (60g) is a mixture of natural marine biopolymers from algae and plants that activates aquarium microflora: the biopolymers bind excess nutrients and pollutants so specialized marine microorganisms can degrade them, supporting clear water and consistent skimming. Dosing one measuring spoon per 500 liters (132 gallons) weekly supports coral coloration and healthy fish through its prebiotic effect.
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Tank & FurnitureUltum Nature Systems
The UNS 60L is a 6-gallon long-profile rimless aquarium (23.6 by 7.87 by 7.87 inches) built from 91% low-iron Diamant glass with 45-degree precision-cut mitered edges and clear silicone. A black leveling mat is included, making it a clean blank canvas for high-end aquascaping.
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Tank & FurnitureUltum Nature Systems
The Ultum Nature Systems 60S Rimless Aquarium is a 10-gallon shallow rimless tank (23.6 x 14.17 x 7.08 inches) crafted with low-iron 91% Diamant glass and 45-degree precision mitered edges. Built with non-tempered glass that can be drilled for an overflow, it includes a black leveling mat and suits both freshwater aquascapes and nano reefs.
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Tank & FurnitureUltum Nature Systems
The Ultum Nature Systems 60U is a 20-gallon rimless aquarium (23.62" x 14.17" x 14.17", 6 mm glass) made from low-iron 91% Diamant glass with 45° precision-mitered edges and clear silicone for distortion-free aquascaping views. It includes a black leveling mat and suits freshwater or saltwater setups.
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SupplementationESV Aquarium Products
The ESV B-Ionic Calcium Buffer System 64 oz package includes 32 oz of Component No. 1 Alkalinity and 32 oz of Component No. 2 Calcium, dosed in equal parts to maintain calcium and alkalinity levels with no powder mixing.
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OtherMiscellaneous
The 64 oz Bettix Bottle with 4 oz Dispensing Cup is a twin-chamber storage and dosing bottle for aquarium supplements. One squeeze fills the dispensing chamber, which has mL markings for precise measurement, making it an easy way to dose two-part solutions into small and medium tanks.
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SupplementationSimplicity
The Simplicity 6L Triple Dosing Container (3 x 2L) is a three-compartment clear acrylic reservoir designed to organize dosing solutions and keep the sump area tidy. Each compartment has graduated measurements in liters and fluid ounces, a snug-fitting lid, strong PVC hose connectors with 1/4-inch nipple fittings, and integrated float switch holders; it is impervious to 2- or 3-part solutions, RODI water, and supplements.
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OtherNeptune Systems
Neptune System's Replacement Reagent Kit comes with everything you need to change out the reagents for the Trident Marine Water Analyzing System. Each kit comes with new bottles that can be placed directly into the Trident's reagent holder and only takes a few minutes to exchange the old for the new.
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OtherTriton
The Triton 6-Pack ICP-OES Testing Kit provides six mail-in ICP-OES water tests analyzed at Triton's USA lab, giving a detailed analysis of 36 elements in your reef aquarium with extreme accuracy. Just fill the vials and send them in; results are accessible within 24-48 hours after receipt at the lab, with guidance on how to correct any imbalances.
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