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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
SupplementationBrightwell Aquatics
Brightwell Aquatics MicroBacter Start XLF is a professional 15x strength live nitrifying bacteria for rapidly cycling new freshwater aquariums in about 5-7 days, removing toxic ammonia and nitrite; dose 30 mL per 25 gallons.
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SupplementationBrightwell Aquatics
Brightwell Aquatics MicroBacter Start XLM is a professional 15x strength live nitrifying bioculture for rapidly cycling new marine and brackish aquaria in 5-7 days, rapidly reducing ammonia and nitrite, also for recovery from overcrowding or bacteria-bed damage.
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SupplementationBrightwell Aquatics
Brightwell Aquatics MicröBacter7 is a complete bioculture of non-pathogenic aerobic and anaerobic microbes plus natural enzymes that establishes biological filtration in new aquariums and enhances nitrification, denitrification, and organic waste degradation in marine and freshwater systems. It rapidly reduces organic carbon, ammonia, nitrite, nitrate, and phosphate while improving water clarity and health of aquarium inhabitants.
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SupplementationMicrobe-Lift
Microbe-Lift Nite-Out II is a liquid nitrifying bacteria containing select strains of Nitrosomonas, Nitrospira, and Nitrobacter that eliminate ammonia and decrease ammonia and nitrite toxicity through natural nitrification. For salt and fresh water, it initiates and promotes stable nitrification and is safe to use around plants and animals.
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SupplementationMicrobe-Lift
Microbe-Lift Special Blend is a complete eco-system in a bottle of live bacteria that maintains aquarium water health and clarity for salt and fresh water. It breaks down organic waste and protein foam, lowers ammonia levels and biologically reduces nitrates, removes odors and cloudy water, and naturally stimulates plant growth; it is chemical free but cannot neutralize chlorine, chloramine, or heavy metals.
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FilterSicce
The Sicce Micron is a compact submersible internal filter with a 65 GPH pump, ideal for small freshwater aquariums and turtle tanks but also saltwater safe. It combines a mechanical sponge for detritus with a replaceable media cartridge for odors and tannins, mounts via suction cups horizontally or vertically, and includes a flow adjuster; 5.9 W with a 2-year warranty.
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Substrates & AquascapingAqua Natural
Aqua Natural Midnight Pearl Bio-Substrate is a 5 lb freshwater gravel made from 100% natural, sustainably sourced New Zealand gravel. It is seeded with live nitrifying bacteria to cycle an aquarium instantly, and can be used as a primary substrate or mixed with other substrates.
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Substrates & AquascapingAqua Natural
Aqua Natural Midnight Pearl is a 10 lb bag of naturally round 2-4mm aquarium gravel sourced from ancient New Zealand beach deposits. Its black pebbles mixed with brown, grey, and hints of gold create a dark backdrop that brings out fish colors; it is triple washed and kiln dried.
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FilterMighty Aquarium Filter
The Mighty Aquarium Filter is a compact hang-on-back filter for nano aquariums from 1 to 24 gallons, available in five sizes (15-170 GPH); it features a self-priming pump, a leveling knob, and included sponge or cartridge media plus an extra cartridge.
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FilterUltum Nature Systems
The Mighty Aquarium Filter HOB is a compact, hang-on-back filter available in five distinct sizes engineered for freshwater tanks ranging from 1 to 24 gallons. Designed for quick rim mounting, this unit delivers clear, oxygen-rich water while keeping operational noise to a minimum. Features integrated leveling knob, adjustable flow control, self-priming design, and comes preloaded with filtration media plus an extra replacement set.
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Wave GenerationInnovative Marine
The Innovative Marine MightyJet Desktop is an ultra-quiet DC return pump sized for all-in-one aquariums, delivering up to 326 GPH at 18" max head (3.7"L x 2.5"W x 3.4"H, 15W at 24VDC). Its included controller offers constant-stream and pulsing sine modes across 9 flow rates plus a 10-minute feed mode, with run-dry protection and barbed adapters in 1/2", 5/8", and 3/4" sizes.
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Wave GenerationInnovative Marine
The Innovative Marine MightyJet Midsize AIO DC Return Pump delivers up to 538 GPH (24-inch max head, 22W @ 24VDC) in a compact submersible form factor that fits most AIO rear chambers — a popular upgrade from stock return pumps. It includes an easy-to-use controller with 9 flow rates across stream and sine modes, a 10-minute one-touch feed mode, run-dry protection, and 1/2-inch, 5/8-inch, and 3/4-inch barbed adapters.
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Wave GenerationInnovative Marine
The Innovative Marine MightyJet Mini Universal is a compact DC return pump for all-in-one aquariums of 10-25 gallons, delivering up to 266 GPH with two modes (constant stream and pulsing sine) across 9 speed settings on the included LCD controller. The submersible pump (1.87" x 2.5" x 3.08", 13W, under 5 ft max head) runs ultra-quiet, includes 1/2", 5/8", and 3/4" barbed adapters, and offers run-dry protection and a 10-minute feed mode.
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OtherMilwaukee Instruments
The Milwaukee MC120 pH Monitor measures pH from 0.00 to 14.00 with 0.1 resolution, ±0.2 accuracy, manual 2-point calibration, a 5.5-9.5 pH set point, and visual LED alarm, with a double-junction pH electrode.
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Climate ControlMilwaukee Instruments
The Milwaukee MC122 pH Controller monitors and controls aquarium pH, switching a connected dosing pump via its AC outlet when the 5.5-9.5 pH set point is reached, with an included double-junction pH probe and manual 2-point calibration.
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Climate ControlMilwaukee Instruments
The Milwaukee MC510 ORP Controller monitors and controls aquarium ORP, displaying the current reading at all times with a settable 0-600 mV set point, alarm, and output power socket for automated control. It includes the ORP electrode and 12 VDC power supply, measures +/- 1000 mV with 1 mV resolution, and is backed by a 2-year warranty.
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OtherMilwaukee Instruments
Milwaukee pH Calibration Solution single-use packets (4.01, 7.01, 10.01 pH) for calibrating pH probes and pens every 30-60 days; compatible with all pH meters, 2-year shelf life.
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OtherMilwaukee
Milwaukee pH calibration solution (pH 7.01) sold in single-use packets for calibrating pH probes or pens, compatible with all pH meters and probes. Calibrate probes every 30-60 days for reliable readings; for reef tanks use 7.0 and 10.01 points, for calcium reactors use 4.01 and 7.01.
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SupplementationReef Factory
The Reef Factory Reef Minerals Holder is a simple bracket designed to securely hold one 1000 mL Reef Factory Reef Minerals bottle; it includes a draw tube for easy dosing pump integration, keeping your dosing setup clean and organized.
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SupplementationReef Factory
The Reef Factory Minerals Holder (150ml x1) is a single-dose storage container for Reef Factory Reef Minerals dosing solutions. Designed for marine aquariums, it keeps mineral supplements organized and ready for dosing pump use as part of the Smart Reef 360 method.
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SupplementationReef Factory
The Reef Factory Minerals Holder is a 4-bottle storage holder sized for 150 ml bottles, designed for automatic dosing systems. It holds up to four bottles at once and can also house a dosing pump on the bottom to keep additive bottles organized, labeled, and in place.
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OtherHikari
Hikari Mini Algae Wafers are sinking wafers for smaller plecostomus and algae-eating bottom feeders, including marine herbivores, snails, and crustaceans; rich in nutrients for immune health.
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LightsKessil
The Kessil Mini A-Series Gooseneck is a 10-inch flexible light mount for Kessil A80 and H80 LED fixtures (also compatible with A150, A160, A350, and A360 with a 90-degree adapter). It clamps to aquarium glass or acrylic up to 1.25 inches thick, allowing precise positioning of the light without a canopy.
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OtherReef Rax
The Reef Rax Mini Branching Frag Rack is a reef-safe resin frag rack that mimics live rock, mounting via reef-safe magnets (max 1/4 in tank thickness) with 4 frag holes (0.45 in diameter); available in Purple, Grey, and Brown.
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SupplementationISTA
The Ista Mini Ceramic CO2 Diffuser is a 2-in-1 bubble counter and diffuser with a compact glass and acrylic design for nano planted aquariums, producing a fine CO2 mist through a replaceable ceramic disc. It includes suction cup mounts and a tubing clip to keep the CO2 line kink-free.
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SupplementationISTA
The ISTA Mini Inline CO2 Bubble Counter is a compact crystal-clear acrylic device that installs inline on CO2 tubing for planted aquariums, letting you visually count bubbles per minute to dial in accurate CO2 dosing for nano and small tanks. Its durable, acid-resistant acrylic construction resists breakage and assures a clear, easy bubble reading, and assembly is tool-free.
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OtherV2O Aquarium Foods
V2O Aquarium Foods' Mini Marine Mysis Shrimp Frozen Cubes are fresh-frozen intact mini marine mysis shrimp, about half the size of freshwater mysis. They are an ideal food for seahorses, sea dragons, and other syngnathids, and are readily eaten by all species of marine and freshwater tropical fish.
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Tank & FurnitureAdaptive Reef
The Adaptive Reef Mini Neptune Apex Controller Board is a 15 x 15 x 3.75-inch mounting board purpose-built for Neptune Systems Apex controllers. It includes pre-drilled holes for EB832 power bars and Apex modules, plus hinges for easy access, and is available in black or white.
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Tank & FurnitureAdaptive Reef
The Adaptive Reef Mini Neptune DOS Controller Board (15 x 15 x 3.75 in, black or white) has custom cut slots for mounting two Neptune Systems DŌS dosing pumps, with hinges for easy access.
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Tank & FurnitureAdaptive Reef
The open-box Mini Neptune DOS Controller Board (White) from Adaptive Reef is a 15 x 15 x 3.75 in mounting board purpose-built for the Neptune Systems DŌS dosing pump, with custom cut slots for two DOS pumps and hinges for easy access.
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