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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
SupplementationKorallen Zucht
Korallen-Zucht nutrient supplement that delivers direct nutrition to help bleached or damaged corals recover quickly. Deepens coloration, increases growth rates, and prevents nutritional deficiencies in SPS, LPS, and soft corals.
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SupplementationKorallen Zucht
Korallen Zucht Coral's Love (1000 ml) acts quickly to provide direct nutrients needed for regenerating bleached or damaged corals - a perfect problem solver for immediate help. Deepens coloration, increases growth rates, and prevents nutritional deficiencies; suitable for all corals (SPS, LPS, softies, horn); shake well, dose 1 mL per 100L every other day for general support, daily when damage is present.
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SupplementationTriton
Triton ionically balanced, super-concentrated dosing system with all major and minor trace elements for reef aquariums, developed for the Triton Method. Can be mixed as a two, three, or four-part solution to suit dosing pump setups.
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SupplementationTriton
Triton ionically balanced, super-concentrated dosing system for reef aquariums not using the full Triton Method. Replaces calcium reactors or kalkwasser dosing; can be mixed as a two, three, or four-part solution.
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OtherEHEIM
EHEIM replacement cover for the Quick Vac gravel cleaner.
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FilterCPR Aquatics
The CPR Aquatics Sock-It 7-inch Sump Inlet Assembly with 2 inlets (8.375 x 7 x 2.5 in) is a gasketed acrylic filter sock holder that adds mechanical filtration to 1-inch outlets on vertical-wall and euro-braced sumps.
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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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Substrates & AquascapingCaribSea
CaribSea aragonite base rock with three pre-drilled holes for stabilizing rods, letting aquascapes be built quickly without glue. Infused with spored bacteria and coated to mimic natural coralline algae; each piece weighs 8-12 lbs.
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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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Substrates & AquascapingLifegard Aquatics
25-pound kit of natural Crema Pagoda Rock for freshwater planted aquarium hardscaping, with about 5 stones (1 large, 2 medium, 2 small). Adds a mature look with unique markings; may slightly raise pH and hardness.
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Substrates & AquascapingUltum Nature Systems
The Crescent Shaped Bonsai Tree is a handcrafted aquarium driftwood bonsai tree for a dramatic, windswept aquascape look; artisans assemble natural driftwood into a balanced, structurally sound canopy. Attach aquatic mosses or small epiphytes to the canopy to create a lush underwater tree canopy. Crescent shape provides dynamic movement and a focal point over substrate and stones. Sizes 087S through 089L.
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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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FilterTrigger Systems
The Trigger Systems Crystal Cube Sump 18 is an 18 x 18 x 15 inch all-clear sump with 20 gallons volume, a locking 100-micron filter sock holder, protein skimmer section with 9.5-inch fixed level, refugium section, and dual filter platforms.
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FilterTrigger Systems
The Trigger Systems Crystal Sump 36 is a 36 x 14 x 15 inch all-clear sump with 30.6 gallons volume, locking 100-micron filter sock holder, protein skimmer section with 9.5-inch fixed level, refugium section, and dual filter platforms.
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SupplementationAquaReady
The AquaReady cTech T-1 Calcium Reactor is a compact calcium reactor for reef aquariums that automates calcium and alkalinity dosing. Its up-flow design mixes saltwater, calcium carbonate media, and CO2 in the reaction chamber, and it includes a pH probe holder, a CO2 recovery system, and a Sicce pump.
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SupplementationAquaReady
Up-flow calcium reactor rated for aquariums up to 500 gallons, with a built-in pH probe holder and CO2 recovery system. Powered by a Sicce Syncra 1.5 pump; 10.3x11.1-inch footprint with 5.5L media capacity.
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SupplementationAquaReady
The AquaReady cTech T-3 Calcium Reactor is an up-flow reactor rated for aquariums up to 1,000 gallons with a 9.9 L chamber, built-in pH probe holder, CO2 recovery system, and quiet Sicce Syncra 2.0 pump; it maintains calcium and alkalinity without daily two-part dosing.
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FilterMatrikx
10 in - 5 Micron MATRIKX CTO Carbon Block — Kx Technologies MATRIKX brand carbon blocks are the most trusted and widely used carbon blocks in the world. The 10 in size is the industry standard and will fit BRS systems and virtually every brand of RO system that uses similar looking carbon blocks.
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FilterMatrikx
Matrikx CTO Plus Carbon Block - 1 Micron — Kx Technologies MATRIKX brand carbon blocks are the most trusted and widely used carbon blocks in the world. The 10 in size is the industry standard and fits our systems plus virtually every RO system using similar carbon blocks.
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Tank & FurnitureWaterbox Aquariums
The Waterbox Cube 20 Nano AIO Aquarium is a 20-gallon all-in-one nano aquarium built from 91% transmittance diamond-beveled ultra-clear low-iron glass, joined at 90 degrees with high-strength German-made Wacker silicone for durability. Its built-in AIO filtration compartment uses three chambers with dual baffling to force water through a 2.75 inch 225 micron felt filter sock, filter sponges, ceramic rings, and activated carbon, with an adjustable return nozzle and included 264 GPH return pump. 17.7x17.7x15.7 inches, 6mm glass, 43 lbs dry weight. Includes aquarium, return pump, EVA leveling mat, filter sock, filter sponges, ceramic rings, carbon, return hose, and directional nozzle.
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Tank & FurnitureWaterbox Aquariums
The Waterbox Cube 20 Nano AIO Aquarium & Stand is a 20-gallon all-in-one system (17.7 x 17.7 x 15.7 in, 6mm ultra-clear glass) with three-chamber AIO filtration, 264 GPH return pump, filter sock, media, and 31.9-inch particle-board stand in black, white, or aspen.
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Tank & FurnitureWaterbox Aquariums
The Waterbox Cube 25 Peninsula Nano AIO is a 23.7-gallon all-in-one aquarium with ultra-clear low-iron glass, a three-chamber rear filtration system, and a 264 GPH return pump, filter sock, carbon, ceramic rings, and leveling mat included.
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Tank & FurnitureReefAmorous
The ReefAmorous Cube PRO is a 180 L nano reef aquarium (60 x 60 x 55 cm) with 10 mm ultra-clear glass, designed so you can keep more in your reef with a sump system. Features a full black acrylic overflow with water-etched weir teeth, adjustable return nozzle, space-saving sump forcing water through a micron filter and filtration media, removable filter sock, and pre-seated self-leveling foam mat; cabinet CA6060.
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Substrates & AquascapingUltum Nature Systems
Cueva Stone is a striking natural rock with a deep gray base patterned with white streaks and patches, creating a high-contrast, dramatic look for a hardscape; occasional rust-colored specks add unique character and the veining becomes bolder when wet. Also suitable for terrariums and paludariums for a rugged, weathered aesthetic. Natural product that may slightly alter water parameters. 10LB, 20LB, and 30LB packs.
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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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FilterSeachem
Seachem copper-specific chelating resin that rapidly removes copper and heavy metals from freshwater and saltwater. Extracts all copper types including chelated copper; beads turn deep blue-black when exhausted.
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FilterBubble Magus
In-sump protein skimmer with a Sicce SK-200 needle-wheel pump, clear cast acrylic body, and geared water-level adjustment knob. Rated for up to 125 gallons (light bioload); body fully disassembles for cleaning and the collection cup has a drain port.
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FilterBubble Magus
Budget-friendly in-sump protein skimmer with a wine-glass body design and quiet SP1000 needle-wheel pump. Rated for up to 120 gallons (light bioload) with a compact footprint and quick-release collection cup.
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