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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
5,380 matching items · Most used first
OtherLee's Aquarium Products
Lee's Small Heavy Duty Specimen Container (5.125 x 2.5 x 4.5 in, 0.25 gallons) has an integrated hanger for aquarium rims up to 1 in thick, useful for acclimation, coral or fish dips, thawing food, feeding, and observation.
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Climate ControlInnovative Marine
Innovative Marine Helio PTC Heating Element Holder; cell-cast acrylic with neodymium magnetic coupling that replaces failing suction cups. Heater-resistant silicone inserts hold heaters up to 0.96-inch diameter and space them for optimal water flow.
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Climate ControlInnovative Marine
The Innovative Marine Helio PTC Smart Heater is an aquarium heating system that uses solid-state PTC (positive temperature coefficient) ceramic chips rather than traditional resistance wire, making the heating elements naturally resistant to overheating. It pairs a smart controller with audible alarms and a remote titanium temperature probe with corrosion-resistant titanium heating elements and magnetic holders, and is available in single- and dual-element models from 100W to 700W to cover aquariums from 10 to 200 gallons.
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Climate ControlInnovative Marine
A replacement or expansion heating element for the Innovative Marine Helio PTC Smart Heater system, available in 200W (25-50 gal) and 350W (50-85 gal) models. It uses PTC solid-state ceramic chips in a corrosion-resistant titanium sheath that self-regulate temperature to resist overheating, and it requires the separate Helio PTC Smart Controller to operate.
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Climate ControlInnovative Marine
Innovative Marine Helio Universal Aquarium Heater Controller; controls up to two 2/3-prong heating elements (up to 1000W combined) with a titanium remote temperature sensor and audio alarms. Factory preset 77F with +/-1F accuracy and 5-year warranty; heating elements not included.
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Tank & FurnitureHelloReef
HelloReef 15 Gallon Aquarium Stand; sturdy modern stand designed specifically for the HelloReef 15-gallon aquarium, with two spacious storage shelves and a cord cutout. Available in Black, White, Dark Brown, and Multi Brown.
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OtherHelloReef
The HelloReef 5 Gallon Bucket with lid is a solid, no-frills bucket for everyday fishroom tasks like water changes or mixing saltwater; it has an ergonomic carry handle, translucent sides for liquid visibility, and a secure lid to prevent spills.
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Tank & FurnitureHelloReef
The HelloReef 33 Gallon Aquarium & Black Stand is an all-in-one 8 mm ultra-clear glass aquarium with dual overflows, 225-micron filter socks, and a matching modern stand, for fresh or saltwater setups.
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Tank & FurnitureHelloReef
The HelloReef 15 Gallon Aquarium & Black Stand Bundle is a 15-inch cube all-in-one glass aquarium with three-chamber rear filtration and matching stand, including filter sock, bio sponges, ceramic rings, and carbon, for a flexible custom build.
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Tank & FurnitureHelloReef
The HelloReef 33-Gallon Aquarium & Dark Brown Stand is an all-in-one 8 mm glass tank with dual overflows, 225-micron filter socks, and rear filtration chambers, paired with a matching modern dark brown stand.
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Tank & FurnitureHelloReef
A bundle of the HelloReef 15-gallon all-in-one cube aquarium and its matching dark brown stand; the tank has integrated three-chamber rear filtration with a filter sock, bio sponges, ceramic rings, and activated carbon, while the stand adds fixed and adjustable storage shelves with cord management. A return pump is not included.
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Tank & FurnitureHelloReef
The HelloReef 15 Gallon Aquarium & Multi Brown Stand Bundle is a 15 in cube all-in-one glass aquarium with a three-chamber rear filtration system and matching brown stand; includes filter sock, bio sponges, ceramic rings, and carbon (return pump not included).
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Tank & FurnitureHelloReef
The HelloReef 15 Gallon Aquarium & White Stand Bundle is an all-in-one 15-inch glass cube with integrated three-chamber rear filtration and a matching modern white stand, for fresh or saltwater setups.
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OtherHelloReef
The HelloReef Clownfish Mug is a colorful ceramic mug decorated with a clownfish design, a fun gift for aquarium hobbyists.
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OtherHelloReef
The HelloReef GloFish Aquarium Kit is a complete 15-gallon all-in-one freshwater setup (15 x 15 x 15 in) with AI Blade GloFish LED, built-in filtration, Sicce Micra Plus return pump, Sicce Scuba 50W heater, sand, plants, food, water conditioner, and HelloReef Connect app lessons.
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OtherHelloReef
The HelloReef Plushie is a 9-inch soft, cuddly plush toy designed with a vibrant orange and white clownfish pattern for aquarium hobbyists.
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OtherHelloReef
The HelloReef Sticker is a 5 x 5 inch colorful sticker depicting sea creatures, for personalizing aquarium equipment, laptops, water bottles, and more.
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Climate ControlHelloReef
The HelloReef Stick-On Thermometer is a low-profile liquid crystal thermometer (5.07 x 0.74 in, range 64-93°F / 18-34°C) that sticks to the outside of freshwater or saltwater tanks, displaying temperature in Fahrenheit and Celsius.
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OtherRod's Food
A frozen food blend from Rod's Food based on the Original Blend with extra algae, formulated for herbivores like tangs, rabbitfish, and blennies while also feeding fish, corals, and invertebrates. Sold as 2 oz or 6 oz flat packs.
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FilterAquaReady
The AquaReady HF-M Complete Filtration System is an all-in-one hang-on-back filter that combines a built-in protein skimmer, a bio media reactor chamber, and space for carbon or phosphate remover media. Designed for 20 to 60 gallon saltwater aquariums, it includes three probe holders, three dosing tube holders, cord management cut-outs, an 11-watt Shark 1.0 pump, and biological filter media.
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OtherHanna Instruments
Hanna HI702-25 includes 25 pre-measured reagent packets for the HI702 High Range Copper Checker; each single-use packet uses the bicinchoninate method, producing a purple tint when copper is present so the checker reads in parts per million.
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OtherHanna Instruments
Reagent refills for the handheld Hanna HI713 Low Range Phosphate Checker, providing reagents for 25 tests. Used to replenish the test reagents for measuring phosphate levels in saltwater and freshwater aquariums.
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OtherHanna Instruments
Hanna Instruments HI731339P volumetric pipette designed to measure and transfer exactly 100 µL (0.1 mL) of solution to a cuvette. Required for accurate HI758 Calcium Checker readings; precise fixed volume with one-handed operation.
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OtherHanna Instruments
Hanna Instruments HI736-25 Phosphorus ULR reagent refills for the HI736 handheld Phosphorus ULR Colorimeter Checker for marine water. Includes 25 reagent packets.
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OtherHanna Instruments
Hanna Instruments HI755-11 Marine Alkalinity Calibration Check Set with Standards A and B for verifying proper operation of the HI755 checker. Acceptable results are 90-110 ppm at 25°C.
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OtherHanna Instruments
Hanna Instruments HI758-11 Marine Calcium Calibration Check Set; Standard A and B for verifying proper functionality of the HI758 Calcium checker. Acceptable results 380-420 ppm at 25C.
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OtherHanna Instruments
The Hanna HI758-26 set contains pre-measured replacement reagents for the Hanna Marine Calcium Checker HC, providing 25 tests (1 mL bottle of Reagent A plus 25 Reagent B packets); they use the Zincon method to measure calcium in marine water from 200 to 600 ppm, with lot numbers and expiration dates for traceability.
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OtherHanna Instruments
Hanna Instruments HI764-25 Nitrite ULR reagent refill for the HI764 marine-water checker, with enough reagent for 25 tests. The compatible checker measures nitrite from 0 to 200 ppb.
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OtherHanna Instruments
The Hanna Instruments HI772-11 is a calibration check set for validating the Marine Alkalinity (dKH) Checker HC (HI772), which measures 0.0 to 20.0 dKH. The reusable set includes one sealed cuvette representing 0.0 dKH and one tinted cuvette equivalent to a 5.0 ±0.3 dKH sample at 25°C, and comes with a Certificate of Analysis listing the lot number, reference values, and expiration date.
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OtherHanna Instruments
Hanna HI772-26 liquid reagent refill for the Alkalinity Colorimeter HI772 or HI755 Hanna Checker HC Marine Water, as well as the Marine Master HI97105 multiparameter photometer; enough reagent for 25 tests.
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