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.
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
1,688 matching items · Most used first
OtherBulk Reef Supply
Bulk Reef Supply's 46" Purple Schedule 40 Pipe is rigid purple/violet PVC pipe available in 46-inch lengths (1/2", 3/4", 1", 1-1/2", and 2" diameters) for aquarium plumbing, offering a clean, text-free appearance and compatibility with standard Schedule 40/80 fittings.
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OtherBulk Reef Supply
This is red Schedule 40 PVC pipe sold in 46" lengths with a solid glossy color and no printed text, giving aquarium plumbing a sharper look than white PVC. Available in 1/2", 3/4", 1", 1-1/4", 1-1/2", and 2" diameters, it is compatible with standard Schedule 40 and Schedule 80 fittings and suitable for both drain and return lines.
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OtherBulk Reef Supply
This 46-inch length of yellow Schedule 40 PVC pipe is for aquarium plumbing builds. The bright yellow color makes it easy to visually identify specific water lines, such as drain or overflow runs, within a sump or equipment setup.
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OtherGiesemann
The Giesemann 48" Bluetooth Dimmable MATRIXX II T5 Fixture is a corrosion-resistant anodized aluminum light fixture (49.2" long) using proven T5 fluorescent technology with individual reflectors for each tube and DIMTEC Bluetooth control for programmable dawn-to-dusk dimming, weather simulations, and lunar phases via a free Android app. Available in 4, 6, and 8 bulb models (up to 442 watts) with active and passive cooling and non-flickering German ballasts for even reef tank illumination.
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OtherSimplicity
The Simplicity 5 Gallon Easy-Fill ATO Reservoir is a space-saving top-off water container (6.0" x 16.0" x 15.25") compatible with nearly every auto top-off system on the market. Its patent-pending wide-mouth lid converts into a funnel for clean in-cabinet refills, the opaque black sides reduce algae growth, and a clear graduated front panel shows the water volume at a glance.
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OtherTropic Marin
Tropic Marin Lipo-Garlic (50 mL) is a liquid blend of select oils, polyunsaturated fatty acids, and garlic used as a soak to enhance fish foods. It increases feeding response, improves natural color, supports immunity, and encourages spawning; add 5-10 drops per teaspoon of dry food and let it absorb before feeding.
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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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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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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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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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OtherNeptune Systems
Neptune Systems 7.00 pH Calibration Fluid is a single-use packet for calibrating pH probes, used as the low point in two-point calibration for saltwater aquariums.
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OtherMilwaukee Instruments
The Milwaukee 7.01 Calibration Solution box contains 25 single-use 20 mL sachets of lab-grade pH 7.01 buffer solution. It is used to calibrate pH meters and probes accurately to plus or minus 0.01 pH, with each sealed sachet providing fresh solution for on-the-spot calibration.
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OtherHikari
Hikari Algae Wafers (8.8 oz) are disk-shaped sinking wafers for herbivores like blennies, tangs, and algae eaters, with high vegetable matter, stabilized vitamin C, and balanced nutrition that will not cloud water.
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OtherSimplicity
Simplicity 8-in-1 Freshwater Rapid Test Strips deliver fast, precise results in 60 seconds for eight parameters: pH, GH, KH, nitrate, nitrite, copper, free chlorine, and iron; 25 strips in 5 sealed packs for freshwater and brackish aquariums.
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OtherSimplicity
Simplicity 8-in-1 Saltwater Rapid Test Strips deliver fast, reef-safe water testing in a dip-strip format for saltwater and reef aquariums. Each box includes 25 individually sealed strips that check alkalinity (KH), calcium, magnesium, nitrate, nitrite, pH, specific gravity, and iron in 60 seconds, with every batch verified by ICP analysis for accuracy.
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OtherLifegard Aquatics
The Lifegard 90° Elbow Barb x Spigot (Street) fitting is designed to insert into a bulkhead for an easy way to connect soft tubing for a return or drain. It is jet black to match black tank backgrounds, made of ABS (use ABS or ABS-to-PVC cement), and available in 1/2, 3/4, and 1 inch sizes.
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OtherFluval
The Fluval A101 is an ultra-quiet, energy-efficient single-outlet air pump for aquariums up to 50 gallons. It has an adjustable flow control dial, vibration-reducing rubber feet and noise-dampening baffle chambers, and can be hung to save space around the tank.
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OtherFluval
The Fluval A202 is an ultra-quiet, energy-efficient dual-outlet air pump for aquariums up to 80 gallons, delivering 47-58 GPH through individually controlled outlets. Noise-dampening baffle chambers, rubber feet stabilizers, and a hanging tag keep operation quiet and clutter-free.
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OtherNeptune Systems
The Neptune Systems A3 Apex Pro Base Unit is a standalone replacement or upgrade controller for Apex systems, accepting existing Neptune accessories like EB832 energy bars, Apex modules, and pH/temperature probes. It includes the base unit plus pH 7.0, pH 10.0, and salinity (µS 53,000) calibration solutions.
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OtherFluval
Equipment for aquarium aeration. Brand: Fluval.
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OtherEHEIM
Accessory kit for the Eheim VAC40 pond vacuum cleaner containing a filter cartridge for use as a dry suction cleaner, a flat nozzle, a suction brush and a floor nozzle with brush insert, for gently removing pond-bottom sludge and debris.
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OtherReef Gently
The AccliMate by Reef Gently is a 2.6-gallon multi-purpose acclimation box with drip-acclimation capabilities for new fish, corals, and invertebrates. It includes an ammonia test kit, divider, airline tubing, a valve for regulating drip rate, and a water exchange mechanism, and can also serve as a specimen container, isolation tank, fry holder, or transport tank.
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OtherInnovative Marine
Reduce stress and shock to your new tank inhabitants with the AccuDrip Acclimation Kit from Innovative Marine. Proper acclimation will slowly introduce your tanks water to help the fish acclimate to any possible changes over a short period of time.
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OtherWavereef
The Wavereef Acrylic Bio Sphere Holder is a media tower (4.3 x 4.3 x 7.45 in, black base with clear acrylic rods) that stacks up to 45 bio-sphere biological media (1 kg capacity) on nine support rods, providing even water flow and better filtration efficiency than mesh bags. Compatible with Nano-Tech Bio-Spheres and similar media, which are sold separately.
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OtherBulk Reef Supply
BRS acrylic coral pointer rod 17.5 in x 1/4 in in fluorescent green reef-safe acrylic that glows under actinic lighting, letting customers point at frags without hands in the tank. Also handy for flipping snails, minor frag adjustments and securing aquascapes.
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OtherBulk Reef Supply
17.5-inch fluorescent green reef-safe acrylic pointer rod that glows under actinic lighting. Used at frag swaps and fish stores to point out corals without putting hands in the tank; also handy for flipping snails, adjusting frags, and securing aquascapes.
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OtherBulk Reef Supply
Bundle of five 17.5-inch fluorescent green reef-safe acrylic pointer rods that glow under actinic lighting. Used at frag swaps and fish stores to point out corals without putting hands in the tank; also handy for flipping snails, adjusting frags, and securing aquascapes.
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OtherBulk Reef Supply
BRS acrylic coral pointer rod 17.5 in x 1/4 in in fluorescent orange reef-safe acrylic that glows under actinic lighting, letting customers point at frags without hands in the tank. Also handy for flipping snails, minor frag adjustments and securing aquascapes.
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