Discover aquarium tools, test kits, food and accessories and see the tanks using them.
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Find the gear behind the community's tanks.
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Tools, food, testing, and the finishing touches
In community tanks
Chosen by aquarists
1,688 matching items · Most used first
OtherMag-Float
The Mag-Float-125 Medium (model 00125) is a floating magnetic aquarium cleaner with powerful neodymium rare earth magnets that cleans glass tanks up to 125 gallons with thickness up to 3/8 inch while keeping arms dry. The inner magnet floats to the top for easy retrieval if it disconnects, and the sand-free cleaning pad prevents scratches. Made from non-toxic materials for freshwater and saltwater tanks.
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OtherMag-Float
The Mag-Float 25 Mini is a floating magnetic aquarium cleaner for glass and acrylic tanks up to 10 gallons, using powerful neodymium rare earth magnets. The inner magnet floats for easy retrieval, letting you clean algae without getting your hands wet.
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OtherMag-Float
The Mag-Float 30 is a small floating magnetic algae cleaner for glass freshwater or saltwater aquariums up to 30 gallons with glass up to 3/16" thick (2 3/8" x 1 3/8" x 1"). Rare-earth neodymium magnets drive the inner pad from outside the tank, the inner unit floats if detached for easy retrieval, and the debris-free cleaning pad helps prevent scratches.
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OtherMag-Float
The Mag-Float 350 is a large floating magnetic aquarium cleaner for glass tanks up to 350 gallons with glass thickness up to 5/8 inch. Its powerful neodymium magnets drive an algae-scraping inner magnet that floats to the surface for easy retrieval, and a scraper holder with blade is included.
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OtherMag-Float
The Mag-Float 360 Large is a floating magnetic algae cleaner designed for acrylic aquariums up to 350 gallons with glass/acrylic up to 5/8" thick (3.25" x 2.5" x 1", scraper blade included). Powerful neodymium magnets drive the inner cleaning pad as you move the outer handle, the inner unit floats for easy retrieval if separated, and the debris-free pad helps prevent scratches.
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OtherMag-Float
The Mag-Float 400 Large+ is a floating magnetic glass aquarium cleaner using powerful rare-earth neodymium magnets — drag the outer handle along the glass and the inner scrubber follows, scraping off algae while keeping your hands dry. The inner magnet floats for easy retrieval, the debris-free cleaning pad helps prevent scratches, and a scraper with blade is included for stubborn algae. Sized for glass tanks with walls up to 3/4 inch thick; non-toxic and safe to leave attached 24/7.
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OtherMag-Float
The Mag-Float 410 is a large-plus floating magnetic cleaner for acrylic freshwater or saltwater aquariums up to 400 gallons with walls up to 3/4" thick (6" x 2.5" x 1"). Powerful neodymium magnets drive the inner pad from outside the tank, the inner unit floats if detached for easy retrieval, and the debris-free cleaning pad plus included scraper blade help remove algae without scratching.
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OtherMag-Float
The Mag Float 500 is an extra-large floating magnetic glass aquarium cleaner (item #00500) recommended for tanks up to 500 gallons with glass thickness from 3/4 to 1-1/4 inches. Powerful rare-earth neodymium magnets pull the inner scrubber along as you move the outer handle, and the inner magnet floats for easy retrieval if the magnets separate. Made from non-toxic ABS plastic with a debris-shedding cleaning pad to avoid scratches, and includes a scraper holder and blade.
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OtherMag-Float
The Mag-Float 510 is an extra-large floating magnetic cleaner for acrylic freshwater or saltwater aquariums up to 500 gallons with walls 3/4" to 1-1/2" thick (6" x 2.5" x 1"). Powerful neodymium magnets drive the inner pad from outside the tank, the inner unit floats if detached for easy retrieval, and the debris-free cleaning pad plus included scraper blade help remove algae without scratching.
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OtherMag-Float
Two replacement scraper blades for Mag-Float Glass Aquarium Floating Magnet Cleaners, sized for the Large/Large+/X-Large models (Mag-Float 350, 400, and 500).
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OtherTwo Little Fishies
The Two Little Fishies MagFeeder is a magnetic floating feeding ring that keeps flake foods, pellets, and powdered invertebrate feeds contained in one spot so they do not wash over the overflow, letting fish feed at a repeatable location. The magnetic coupling positions the 4" OD floating ring without getting your hands wet, the jointed arm adjusts distance from the glass, and it works on tanks up to 3/4" thick; the included button also retains ring-shaped foods like New Era Grazer.
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OtherMag-Float
The Mag-Float Stealth (Large) is a low-profile floating magnetic glass cleaner that removes algae without getting your hands wet. The inner magnet floats for easy retrieval, and strong neodymium magnets clean larger aquarium glass.
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OtherMag-Float
The Mag-Float Stealth (Large+) magnetic glass cleaner removes algae from glass aquariums with thickness up to 3/4 inch without getting hands wet. In Stealth Black, it glides smoothly across the glass while staying securely aligned with the outer handle, and if the magnets separate, the inner magnet floats to the surface for easy retrieval. Includes a scraper blade attachment for stubborn spots.
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OtherMag-Float
The Mag-Float Stealth (Medium) magnetic glass cleaner removes algae from glass aquariums up to 125 gallons with glass thickness up to 3/8 inch without getting hands wet. In Stealth Black, it stays aligned with the outer handle, glides smoothly across the glass, and the inner magnet floats to the surface for easy retrieval if the magnets separate. Includes a scraper blade attachment for stubborn spots.
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OtherMag-Float
The Mag-Float Stealth (Small) is a magnetic glass cleaner for glass aquariums up to 30 gallons with glass up to 3/16" (5 mm) thick, with a stealth black finish. It includes a scraper blade attachment for tougher algae, and if the magnets separate the inner magnet floats to the surface for easy retrieval without reaching into the tank. Measures 2 1/4" x 1 3/8" x 7/8"; for freshwater or saltwater glass aquariums only.
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OtherNyos
The Nyos Magnesium REEFER test kit is a lab-quality seawater titration test for magnesium with a range up to 1600 ppm, featuring a calibrated German-made dropper, German-produced reagents, and pictogram instructions for precise, repeatable results.
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OtherSalifert
The Salifert Magnesium Test Kit gives accurate, easy-to-read magnesium results in minutes. Trusted by discerning reefers, it includes easy-to-follow instructions; typically delivers 50 tests per kit.
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OtherTunze
The Tunze Magnetic Coral Frag Rock Long is a hand-made porous ceramic rock with an embedded magnet that mounts to aquarium glass, holding up to 8 coral frag plugs while growing coralline algae like live rock.
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OtherTunze
A tool or supply for aquarium setup and maintenance. Capacity : 6 frag plugs.
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OtherAquaReady
The AquaReady Magnetic Frag Rack holds 23 frag plugs on a durable cell-cast acrylic platform with powerful magnets for aquariums with glass up to 1/2 inch thick; it fits frag plugs with stems up to 3/8 inch (10 mm).
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OtherAquaReady
The AquaReady Magnetic Frag Rack (9 Holes) is a cell-cast acrylic frag rack (6.9 x 2.8 in) with powerful magnets for up to 1/2-inch glass, holding 9 frag plugs with stems up to 3/8 inch.
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OtherVASTOCEAN
The Magnetic Worm Feeder Tube is a controlled feeding station that attaches to aquarium glass via a strong magnetic mounting system, ideal for red worms and freeze-dried worms. The tube design slows food dispersal, encourages natural hunting and grazing behavior, reduces food waste, and prevents food from being carried away by flow; easy to install, refill, and clean; for freshwater and marine aquariums.
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OtherNeptune Systems
The Neptune Systems MPR Magnetic Probe Rack is designed specifically for the Apex, holding up to 4 probes including the larger temperature probe, pH probe, ORP probe, and salinity probe. Made from acrylic with strong neodymium magnets; works securely on sumps and aquariums up to 1/2 in thick; 4 in long by 2.5 in deep.
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OtherOXO
The OXO Good Grips Maintenance Brush (11 x 3 x 1 in, 3 oz) has durable nylon bristles and a soft non-slip handle, good for reaching into and cleaning reactors, dishwasher safe.
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Other3F
Malawi-mix frozen fish food (100 g) is an optimal mixture for Malawi cichlids, containing artemia, krill pacifica, fish meat, and mysis. Spirulina is added to improve the colors of your fish.
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OtherLoc-Line
The Loc-Line Male NPT Connector adapts Loc-Line modular hose segments to standard threaded plumbing, pairing with a matching 1/2" or 3/4" NPT bulkhead so the articulated hose can be pointed exactly where flow is needed on return lines and closed loops. It snaps onto Loc-Line hose on one side and threads into NPT fittings on the other.
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OtherBulk Reef Supply
A male-thread (Type B) cam lever quick-connect coupling made of glass-reinforced polypropylene with stainless steel cam arms, male NPT threads, and an EPDM gasket, pressure rated to 125 PSI at 70 F. It mates with a same-size Type A or F cam lever adapter to form a banjo-style fitting that locks positively for a leak-free connection that can be quickly removed and reattached for pumps, reactors, hoses, and water change systems. Available in 1/2, 3/4, 1-1/4, and 1-1/2 inch sizes.
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OtherColder
The Male Thread X Anti-Drip Push-Lock Coupling is a high-flow polypropylene quick-disconnect fitting with male NPT thread that seals off when disconnected, pressure rated to 60 PSI, for reactors, pumps, ATO, and mixing systems.
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OtherColder
The Colder Male Thread x Push-Lock Adapter is a high-flow polypropylene quick-connect adapter with a patented ergonomic thumb latch and o-ring seal, rated to 60 PSI. It lets you connect and disconnect pumps, reactors, and water-change hoses with a finger push, and the push-lock side is interchangeable between 1/2-inch and 3/4-inch fittings.
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OtherColder
The BRS Male Thread X Push-Lock Coupling is a grey polypropylene quick-disconnect fitting (1/2 or 3/4 inch male NPT) with a large thumb latch and high-quality O-ring, pressure rated to 60 PSI for reactors, pumps, and water change hoses.
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