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In community tanks
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5,380 matching items · Most used first
OtherHanna Instruments
Hanna Instruments Marine Monitor continuously tracks pH, salinity, and temperature in saltwater aquariums with waterproof probes designed for constant immersion. It features a large backlit LCD display, one-button automatic calibration with included solutions, automatic temperature compensation, and visual and audible high/low alarms for each parameter.
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OtherCobalt Aquatics
Cobalt Aquatics Marine Omnivore Flakes are a premium flake food formulated for all marine fish, with squid, salmon, and krill proteins plus spirulina for consistent growth and color. Enhanced with probiotics (min 1,000,000 CFU B. subtilis and B. lichenformis) for digestion and waste reduction, plus triple-dose vitamin Cobalt Blue Flakes and immunostimulants; min 51.2% protein, 10.8% fat, and it will not cloud water.
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OtherCobalt Aquatics
Cobalt Aquatics Marine Omnivore Pellets are premium 1/16" diameter sinking pellet fish food for marine fish, formulated with squid, salmon, krill, plankton, spirulina, and other proteins for consistent growth and color. Enhanced with probiotics (Bacillus subtilis/licheniformis) for improved digestion and reduced waste, plus Cobalt Blue pellets with triple vitamin doses and immunostimulants; minimum 51.2% protein, 10.8% fat.
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OtherHanna Instruments
A Hanna Instruments handheld colorimetric pH meter (HI780) dedicated to measuring saltwater aquarium pH from 6.3 to 8.6 with 0.1 pH resolution and +/- 0.2 pH accuracy. Using the phenol red method with 10 mL glass cuvettes and a digital readout, it gives more accurate results than visual test kits, with one-button operation, auto-off, and AAA battery power; includes 2 cuvettes, reagent starter set, and instructions.
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OtherCobalt Aquatics
Cobalt Aquatics Marine Vegi Pellets are sinking pellets formulated for saltwater herbivores and omnivores, blending marine proteins (salmon meal, squid, krill, plankton, mussel) with spirulina and other plant matter, plus garlic and probiotic Bacillus cultures. They provide a minimum of 50.3% crude protein and 10.8% crude fat, suitable for fish that benefit from extra vegetable matter in their diet.
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Tank & FurnitureWaterbox Aquariums
The Waterbox MARINE X 110.4 is a rimless 79.6-gallon reef aquarium system in 12 mm ultra-clear glass with black silicone. It includes a marine-grade cabinet, sump, central overflow with dual adjustable returns, plumbing kit, and filter socks, with about 105 gallons total system volume.
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Tank & FurnitureWaterbox Aquariums
The Waterbox MARINE X 60.2 is a 36-gallon rimless aquarium system with a 19.6-gallon sump, plumbing kit, filter sock, sock silencer, and OSB wood cabinet in black, white, or aspen finishes. Ultra-clear glass, a central overflow with dual returns, and a 54.5-gallon total volume make it a complete foundation for a saltwater or reef tank.
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FilterMarineland
Marineland 200 Micron Polishing Filter Cart. An aquarium filtration product.
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FilterMarineland
The Marineland 2-in-1 Bio-Foam & Prefilter slips over filter intakes to trap dirt and debris while supporting beneficial bacteria for biological filtration; designed for Marineland Penguin Pro and Emperor Pro filters (Small: 125/175/275, Large: 375/450), rinse monthly in tank water.
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FilterMarineland
The Marineland Emperor PRO 450 Power Filter is a hang-on-back filter for aquariums up to 90 gallons with three-stage mechanical, chemical, and biological filtration and patented BIO-Wheel technology. It offers flow control up to 450 GPH and uses Marineland Rite-Size E filter cartridges; six sizes cover tanks from 10 to 90 gallons.
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FilterMarineland
Pre-assembled Rite-Size E replacement filter cartridges for Marineland Emperor Bio-Wheel power filters; the double-thick poly-fiber pad traps debris and waste particles while Black Diamond Premium Activated Carbon provides chemical filtration, with a patented ribbed backing for even carbon distribution and maximum water-to-carbon contact.
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FilterMarineland
The Marineland Magniflow 180 is an external canister filter that provides 3-stage mechanical, chemical, and biological filtration at 180 gallons per hour for freshwater or saltwater aquariums up to 30 gallons; it uses Stack N' Flo filter trays with Rite-Size S foam and polishing pads, Black Diamond activated carbon, and bio-filter balls, plus a quick-prime button and a valve block for spill-free maintenance.
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FilterMarineland
The Marineland Magniflow 250 is a canister filter in the 250 GPH class for aquariums. Its sealed multi-stage design holds mechanical, chemical, and biological media with quick-disconnect valves for easy maintenance.
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FilterMarineland
The Marineland Magniflow 400 Canister Filter provides three-stage mechanical, chemical, and biological filtration at 400 GPH for freshwater and saltwater aquariums up to 100 gallons. It has a self-priming quick-prime button, Stack N Flo trays, Bio-Filter Balls, ceramic rings, activated carbon, and foam and polishing pads, using Rite-Size T media.
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FilterMarineland
Replacement Rite-Size JH floss sleeve for the Marineland Magnum Polishing Internal Canister Filter; the fine-mesh, open-cell sleeve traps and holds dirt particles to polish aquarium water while promoting water flow without impairing overall filter performance.
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FilterMarineland
The Marineland Magnum 200 is an internal polishing canister filter for freshwater and saltwater aquariums. It provides multi-stage mechanical and chemical filtration in a compact in-tank unit for crystal-clear water.
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FilterMarineland
A replacement Rite-Size JH filter cartridge for the Marineland Magnum Polishing Internal Canister Filter; the fine-mesh floss sleeve traps dirt and particles for mechanical filtration while its open-cell construction promotes water flow.
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FilterMarineland
Marineland Micron Filter for Emperor Rite Size E. An aquarium filtration product.
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FilterMarineland
Marineland Micron Filter for Penguin Rite Size C. An aquarium filtration product.
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FilterMarineland
Pre-assembled replacement filter cartridge (Rite-Size C) for Marineland Penguin Bio-Wheel power filters, including the 200, 350, and PRO 275/375 models; it mechanically traps debris through a double-thick poly-fiber pad and chemically filters water through Black Diamond premium activated carbon, with a ribbed backing for even carbon distribution.
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FilterMarineland
A power filter for aquarium water filtration. Provides mechanical and biological filtration with chemical media support.
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FilterMarineland
A power filter for aquarium water filtration. Provides mechanical and biological filtration with chemical media support.
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FilterMarineland
A power filter for aquarium water filtration. Provides mechanical and biological filtration with chemical media support.
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FilterMarineland
The Marineland Penguin PRO 375 Power Filter is a hang-on-back filter for aquariums up to 75 gallons with three-stage mechanical, chemical, and biological filtration and patented BIO-Wheel technology. It delivers flow control up to 375 GPH, uses Marineland Rite-Size C cartridges, and comes in six sizes from 100 to 450.
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FilterMarineland
Marineland Magnum Polishing Internal Canister Filter is a submersible internal canister rated for aquariums up to 97 gallons at 290 GPH. It provides continuous three-stage filtration through dual refillable media chambers plus an included micron cartridge for high-efficiency water polishing.
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FilterMarineland
A Rite-Size bonded filter sleeve for Marineland Penguin 200 and 350 power filters; the bonded fiber sleeve traps debris and particles for mechanical filtration.
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FilterMarineland
A three-pack of Rite-Size bonded filter sleeves for Marineland Penguin 150 and 125 power filters; the bonded fiber sleeves trap debris and particles for mechanical filtration.
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FilterMarinePure
MarinePure Ceramic Biomedia 1 1/2-inch Spheres are inert ceramic spheres with 240 sq ft of surface area each for biological filtration of ammonia and nitrites, available in two quart or gallon boxes.
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Substrates & AquascapingUltum Nature Systems
Marsh Stone is a natural rock comparable to Hakkai Stone with a lighter color palette of light grey and white tones. It features smoother, semi-rounded edges and a water-worn shape, perfect for authentic river-style aquascapes. Its grooves and crevices are ideal for attaching aquarium mosses or epiphytic plants. Suitable for Iwagumi layouts or mixed hardscapes, and works beautifully in terrariums and paludariums. Available in 5, 10, 15, 20, and 30 pound options.
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OtherHikari
Hikari Massivore Delite (13.4 oz) is a quick-sinking carnivore pellet whose each pellet matches the nutrition of 1.8 live goldfish, providing a balanced daily diet for large freshwater and marine carnivores like catfish, bichirs, eels, and sharks.
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