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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
LightsTwinstar
The TWINSTAR LightControl Manual is a basic inline dimmer with built-in timer (6H/8H/10H), power on/off, and sunrise/sunset functions for all Twinstar LED lighting systems. Handles up to 150W; DC 5.5x2.5mm connectors; made in South Korea; 1-year warranty.
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LightsTwinstar
The TWINSTAR LightControl Standard is a Bluetooth aquarium lighting controller with a smart app; features 24-hour programmable timer, 25-day Light Planner, 100-level brightness control, and up to 60-minute sunrise/sunset simulation. Compatible with Twinstar lights 2.0-4.2; made in South Korea; 1-year warranty.
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SupplementationTwinstar
The Twinstar New CO2 Diffuser (Acrylic) uses ultra-fine porosity microspore ceramic stone to produce super-fine bubbles, lasting longer in the water for increased CO2 solubility efficiency. Made of high-quality acrylic with glass-like transparency but higher impact strength and shatter resistance; available in S, M, and L for tanks from 20L to 250L.
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Water PurificationTwinstar
The Twinstar REACTOR Calcium Cleaner removes calcium adsorbed onto the Reactor after long use; simply soak the Reactor in warm water with the cleaner added to dissolve the calcium. Package includes 2 packs (30g).
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Water PurificationTwinstar
The TWINSTAR Reactor M5 is a replacement reactor disk for the TWINSTAR2 M5, M3, Shrimp 50, and Shrimp 30 algae inhibitors, and is also compatible with the TWINSTAR1 S5 and S3 models. Connection wire is included.
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Water PurificationTwinstar
The TWINSTAR Reactor M7 is a replacement reactor disk for the TWINSTAR2 NANO and YOTTA sterilizers, and is also compatible with the TWINSTAR1 Mini, Mini S, and Shrimp models. A fouled reactor can be cleaned by soaking in a diluted bleach solution; do not use a brush, as the metal coating can be damaged.
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Water PurificationTwinstar
The TWINSTAR Reactor M9 is a replacement reactor for TWINSTAR II NANO+ and YOTTA+ (also compatible with TWINSTAR I NANO and Super S). Do not clean with a brush; bleach-based cleaning extends lifespan.
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OtherTwinstar
The Twinstar sterilizer is an aquarium device that eliminates waterborne pathogens and mold spores to help prevent common fish diseases. It does not need to run 24 hours like a UV sterilizer and is safe for tropical fish and beneficial aerobic bacteria.
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OtherTwo Little Fishies
Two Little Fishies PhytoPlan is a spray-dried blend of several strains of phytoplankton. A food for filter-feeding invertebrates such as soft and stony corals, anemones, feather duster worms, clams, sponges, and tunicates, and a great supplement to enrich the nutritional value of dried and frozen fish foods or live Artemia.
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SupplementationISTA
The ISTA UFO CO2 Diffuser is a UFO-shaped in-tank diffuser with a fine-pore ceramic plate that produces an ultra-fine CO2 mist for maximum absorption in planted aquariums. Its vertical inlet prevents tubing kinks, the suction cup mounts it near the tank bottom, and the ceramic disc is replaceable for easy maintenance.
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OtherVivid Creative Aquatics
Transform the return line on your Nano tank in seconds! Vivid Creative Aquatics has combined their 3D printed adapters and patented Random Flow Generator Nozzles with genuine Loc-Line parts to provide you with an easy-to-install upgrade kit for most Nano sized aquarium models.
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Wave GenerationSicce
Reliable Water Transfer, Ultimate Versatility Drains Water Down to 5 mm Integrated Float Switch Removable Base for Rotor Maintenance Adjustable Feet to Regulate Size of Intake Easy Side Access to Maintain Float Switch 5 Year Manufacturer Warranty (3 + 2 w/ Registration) Introducing the Sicce Ultra 9000 Utility Pump – the ultimate tool for moving water efficiently and reliably. Designed for versatility, this pump is perfect for various applications, including water changes, draining, and transferring water in both saltwater and freshwater environments.
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OtherUltra Fresh
Ultra Fresh Baby Turtle Nutri Sticks are crafted for growing turtles that need clean, balanced nutrition right from the start. Made with 100% natural ingredients like Wild Sword Prawns, Akiami paste shrimps, garlic, and sweet potato leaves, this formula supports steady growth, strong shell development, and daily vitality without fillers.
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OtherUltra Fresh
Ultra Fresh Betta Pro Shrimp Patties are crafted for betta fish that demand high-quality, protein-rich nutrition. Made with Wild Sword Prawns, Akiami paste shrimp, and nutrient-packed greens, this formula supports vibrant coloration, strong fins, and daily vitality without fillers or artificial additives.
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OtherUltra Fresh
Ultra Fresh Goldfish Premium Pellets are specially formulated to meet the nutritional needs of goldfish of all sizes, including Ranchus, Lionheads, and Sakuras. Made with high-quality proteins such as Wild Sword Prawns and Akiami paste shrimps plus spirulina and seaweed, they support steady growth, vibrant coloration, and overall health.
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OtherUltra Fresh
Ultra Fresh Marine Shrimp Patties are a premium fish food crafted for small marine and reef fish like butterfly fish and surgeonfish that crave protein-rich, natural nutrition. Made with real Wild Sword Prawns, squid, spirulina, garlic, and seaweed, these 1.5mm slow-sinking pellets hold together in the water and soften slowly so fish feed easily without clouding the tank.
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OtherUltra Fresh
Ultra Fresh Newborn Fish Micron Shrimp Patties are specially formulated fish food to replicate brine shrimp for tiny fry and small tropical fish. Packed with high-quality shrimp, spirulina, and natural plant ingredients, these 500μm micro-sized pellets provide protein-rich nutrition for healthy growth, vibrant coloration, and strong development from the very start.
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OtherUltra Fresh
The Ultra Fresh Picky Tropical Fish Color-Boosting Growth Flakes are a complete daily food made for tropical fish that can be picky eaters. Crafted with real shrimp, sardines, Antarctic krill, vegetables, and algae, these thin flakes soften quickly in water for easy eating and digestion.
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OtherUltra Fresh
Ultra Fresh Royal Cichlid Premium Pellets are specially formulated fish food for cichlids and larger tropical fish, delivering high-quality protein and natural ingredients for robust growth, vibrant coloration, and overall vitality. Made with real prawns, squid, spirulina, and plant nutrients, the 3.1 x 3.7mm slow-sinking pellets let cichlids feed comfortably without excessive waste.
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OtherUltra Fresh
Ultra Fresh Royal Guppy Mignon Pellets are specially formulated fish food for guppies and other small livebearers like mollies and swordtails, providing a complete, balanced diet for vibrant colors, healthy growth, and active behavior. Made with Wild Sword Prawns, spirulina, and seaweed, the tiny 0.6mm pellets ensure even the smallest guppy feeds comfortably and soften quickly to reduce waste and water clouding.
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OtherUltra Fresh
Ultra Fresh Shrimp Pro Seafood Patties are built for shrimp to provide rich, protein-heavy diets. Made with a premium blend of real seafood like Sword Prawns and silkworms, this formula delivers natural nutrition that supports strong molts, steady growth, and active behavior.
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OtherUltra Fresh
Ultra Fresh Tropical Excellent Bits are a balanced daily fish food made for active tropical fish that need consistent, high-quality nutrition. Crafted with natural proteins like Wild Sword Prawns and squid, along with spirulina and plant-based ingredients, this formula supports steady growth, vibrant coloration, and overall vitality.
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OtherUltra Fresh
The Ultra Fresh Tropical Micro Pellet is a daily fish food designed for small tropical fish and fry, such as Tetras. Made with Wild Sword Prawns, seaweed, and natural plant ingredients, these tiny 0.6mm pellets are packed with nutrients that support growth, vibrant coloration, and overall health.
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OtherUltra Fresh
Ultra Fresh Tropical Shrimp Pie delivers a clean, protein-rich diet for bottom-feeding fish, made with a heavy blend of wild sword prawns, fresh squid, vegetables, and seaweed. The pellets soften quickly for easy feeding but hold their shape without clouding the water, helping fish fully absorb nutrients.
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OtherUltra Fresh
Ultra Fresh Vegetable Shrimp Pie is a balanced fish food that blends protein with nutrient-rich vegetables for a more complete, natural diet. With a 3:7 meat-to-vegetable ratio of shrimp, seaweed, and plant-based greens, it is best suited for herbivorous fish species like plecos and fish that thrive on a greener diet.
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OtherCobalt Aquatics
100% Natural Blend of Shrimps, Squid, and Seaweeds for an Ultra Palatable Fish Food Cobalt Aquatic's Ultra Marine Micro Pellets are great for almost any type of marine fish, but your wrasses, gobies, clownfish, anthias, and angelfish will absolutely love Cobalt's Ultra Pellets. The pellets contain no artificial ingredients, colorants, or preservatives making them super healthy for your marine fish.
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OtherCobalt Aquatics
Cobalt Aquatics Ultra Predator Jumbo Pellets are floating, all-natural carnivore pellets with prebiotics and probiotics, sized for large marine fish like groupers, puffers, and triggers.
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FilterUltra Reef
A protein skimmer for hobbyists who value high build quality, reliability, and product longevity. It rotates on its base to open and close the regulation valve for easy adjustment in smaller spaces, with an integrated pump offering speed adjustment options and a fully modular design for easy disassembly and thorough maintenance. Features include an integrated silencer for noise reduction, rubber feet to absorb vibrations, and anti-corrosive titanium screws. 5.91 x 7.87 x 19.7 in; suited for 26-80 gallons.
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OtherCobalt Aquatics
100% Natural Blend of Shrimps, Squid, and Seaweeds for an Ultra Palatable Fish Food Cobalt Aquatic's Ultra Shrimp & Vegi Grazer Pellets are great for almost any type of marine fish, but your tangs, blennies, and fox face fish will absolutely love Cobalt's Ultra Pellets. The pellets contain no artificial ingredients, colorants, or preservatives making them super healthy for your marine fish.
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Wave GenerationSicce
The Sicce Ultra Zero is a multi-purpose utility pump, perfect for when you just need a sturdy pump to move water from one place to another, such as for pumping freshly mixed saltwater to your tank after a water change, or refilling reservoirs. The Ultra Zero has plenty of power to pump water from a remote saltwater mixing station to your tank, and hooks up to any hose with a standard garden thread on it.
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