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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
SupplementationTropic Marin
Tropic Marin Pro-Coral K+ Trace 1 is a liquid supplement of essential cationic trace elements (barium, boron, chromium, cobalt, iron, copper, manganese, nickel, strontium, and zinc) that corals and invertebrates rapidly deplete in reef aquariums. It is doser-ready with no mixing required; dose 1 mL per 25 gallons daily alongside Pro-Coral A- Trace 2 (maximum 2 mL per 25 gallons/day) to support natural coral color and growth.
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SupplementationTropic Marin
Tropic Marin Pro-Coral Mineral provides the trace elements present in Tropic Marin sea salt in crystalline, highly concentrated form, creating ideal living conditions for all invertebrates beyond normal water changes. Strengthens growth, color intensity, and resistance of invertebrates.
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Water PurificationTropic Marin
Tropic Marin Pro-Discus Mineral (250 g) is for the prevention of mineral deficiency in discus aquariums. Enhances resistance against disease and damage to skeletal structure and improves willingness to spawn.
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Water PurificationTropic Marin
Tropic Marin Pro-Discus Mineral (500 g) is for the prevention of mineral deficiency in discus aquariums. Enhances resistance against disease and damage to skeletal structure and improves willingness to spawn.
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SupplementationCO2Art
The CO2Art Pro-Elite Series V2 Dual Stage CO2 Regulator offers stable CO2 delivery for planted aquariums with dual stainless steel gauges, integrated needle valve, bubble counter with check valve, 12V DC solenoid, extendable manifold block, and CGA320 threads, backed by a 10-year warranty.
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OtherTropic Marin
Tropic Marin Professional Lab is a complete test kit for monitoring water values in marine aquariums, in a handy organized case. Can be refilled with Tropic Marin Refill Packs when reagents are exhausted.
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Water PurificationModern Reef
Modern Reef Professional Reef Salt (25 kg) uses pure, fast-dissolving pharmaceutical-grade salts and contains all trace elements found in natural seawater with a small secret tweak used by Euro Corals. A perfectly-balanced reef salt promoting better calcification, growth, and coloration of all corals; ideal for new tanks or regular partial water changes to export organic pollutants, phenols, humic substances, and nettle poisons. Add 38-39 g per liter at 24-25C to reach 1.026 sg (34.5 ppt); parameters: KH 7.2-8, Ca 420-440 ppm, Mg 1350-1380 ppm.
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FilterEHEIM
The EHEIM professionel 4+ 350 is an advanced external canister filter for aquariums up to 350 litres, with a square canister, self-priming aid, safety hose adapter, top prefilter, and individual filter baskets with Easy Clean grids. The Xtender control function extends intervals between cleanings, and it runs quietly on 16 W at 1050 l/h, coming ready to connect with original EHEIM filter media.
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FilterEHEIM
The EHEIM professionel 4+ 350T is an external thermofilter with an integrated 210 W heater for aquariums up to 350 litres, combining filtration and heating in one unit. It features a square canister, self-priming aid, safety hose adapter, top prefilter, and individual filter baskets; the Xtender control function extends cleaning intervals, and it runs quietly on 16 W at 1050 l/h, coming ready to connect with original EHEIM filter media.
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FilterEHEIM
The EHEIM professionel 4+ 600 is an advanced external canister filter for aquariums up to 600 litres, with a square canister, self-priming aid, safety hose adapter, top prefilter, and individual filter baskets with Easy Clean grids. The Xtender control function extends cleaning intervals; it runs quietly on 16 W at 1250 l/h and comes ready to connect with original EHEIM filter media.
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FilterEHEIM
The EHEIM professionel 5e 350 is an electronic external filter with integrated Wi-Fi and wireless control via smartphone, tablet, or PC, for aquariums up to 350 litres. It offers programmable modes (constant flow, bio mode, pulse mode, manual mode), permanent electronic system monitoring with automatic air removal, a large easily accessible prefilter, and quiet performance; it is fully equipped with original EHEIM filter media.
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FilterEHEIM
The EHEIM professionel 5e 450 is a cutting-edge electronic external canister filter with integrated Wi-Fi control via smartphone, tablet, or desktop, for aquariums up to 450 litres. It merges powerful pump performance (approx. 1700 l/h) with a large 12.5 l canister and 6 l filter volume; programmable modes (output control, constant flow, pulse mode, bio modes) plus a service indicator, auto air-out, and electronic error indicator extend maintenance intervals and guarantee constant flow.
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FilterEHEIM
The EHEIM professionel 5e 700 is a cutting-edge electronic external canister filter with integrated Wi-Fi control via smartphone, tablet, or desktop, for aquariums up to 700 litres. It merges powerful pump performance (approx. 1850 l/h) with a large 14.5 l canister and 8 l filter volume; programmable modes (output control, constant flow, pulse mode, bio modes) plus a service indicator, auto air-out, and electronic error indicator extend maintenance intervals and guarantee constant flow.
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Substrates & AquascapingWalt Smith
Project Reef Rock 2.1 by Walt Smith is a handmade dry reef rock with a porous interior and a purple coralline-algae-look coating so new tanks look seasoned quickly. Available in 11, 22, and 55 lb boxes, it is manufactured from reef substrate and cement, cured for 6+ weeks, and should be cured again before use.
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Water PurificationTropic Marin
Tropic Marin PRO-REEF Sea Salt 10 kg is a pharmaceutical-grade reef salt with optimised calcium and magnesium levels and low buffering, ideal for modern reef aquariums using calcium reactors. Produces approx. 7 dKH alkalinity, 440 ppm calcium and 1350 ppm magnesium; dissolve 35 ml per litre for 32-35 ppt salinity.
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Water PurificationTropic Marin
Tropic Marin PRO-REEF Sea Salt (25 kg) is a pharmaceutical-grade sea salt especially for modern reef aquaria, with optimized concentrations of calcium (~440 ppm) and magnesium (~1350 ppm) to promote coral growth. Use for regular water changes, new tank setup, and re-equilibrating pH.
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Water PurificationTropic Marin
Tropic Marin PRO-REEF Sea Salt (2 kg) is a pharmaceutical-grade marine salt mix formulated for modern reef aquariums; contains balanced calcium (~440 ppm), magnesium (~1350 ppm), carbonate alkalinity, and over 70 trace elements in natural tropical seawater proportions. Excellent solubility and clear mix without residues; stable pH and carbonate hardness; free from nitrates and phosphates; suitable for new tank setups and routine water changes.
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Water PurificationTropic Marin
Tropic Marin PRO-REEF Sea Salt 4 kg is a pharmaceutical-grade reef salt with optimised calcium and magnesium levels and low buffering, ideal for modern reef aquariums using calcium reactors. Produces approx. 7 dKH alkalinity, 440 ppm calcium and 1350 ppm magnesium; dissolve 35 ml per litre for 32-35 ppt salinity.
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SupplementationCO2Art
The CO2Art PRO-SE Series Dual Stage CO2 Regulator provides automated CO2 injection for planted aquariums with an integrated 12V DC solenoid, dual pressure gauges, needle valve, bubble counter with built-in check valve, and end-of-tank-dump prevention.
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SupplementationCO2Art
The CO2Art Pro-Series Adapter Repair Kit contains replacement parts for SodaStream and paintball CO2 adapters. It includes a seal washer, hex key, two rubber o-rings, and a black hex nut for leak-free reassembly.
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SupplementationCO2Art
The CO2Art Pro-Series CO2 Adapter connects paintball or SodaStream bottles to all CO2Art regulators with an elbow design for horizontal installation, unibody construction to eliminate thread leaks, and built-in adjustable ON/OFF pin valve.
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SupplementationCO2Art
The CO2Art Pro-Series Precision CO2 Check Valve allows CO2 to flow in only one direction, protecting regulators and solenoids from water backflow damage; resistant to 100 psi with 1 psi cracking pressure and easy push-in connectors.
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Tank & FurniturePro Clear Aquatic Systems
The ProStar Polycarbonate Aquarium Lid by Pro Clear Aquatic Systems is made of polycarbonate (Lexan) with a clear mesh and includes evaporation covers for optimal light penetration; it has 3 light-bracket cutout openings and triangular feeding cutouts, with two-part lids on larger models.
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Tank & FurniturePro Clear Aquatic Systems
The ProStar Rimless AIO 23 from Pro Clear Aquatic Systems is a low-iron glass rimless aquarium (23.5 x 11.5 x 15.5 in) sold as a combo with a modern black or white cabinet stand, with filtration built into the tank rather than the cabinet; no lighting or pump included.
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Tank & FurniturePro Clear Aquatic Systems
The ProStar Rimless AIO 35 Aquarium & Stand (35 gallons) by Pro Clear Aquatic Systems is a rimless low-iron glass all-in-one aquarium with built-in filtration, sold as a combo with a modern cabinet in black or white; tank dimensions are 31.5 x 11.5 x 17 in, and lighting and pump are not included.
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Tank & FurniturePro Clear Aquatic Systems
The ProStar Rimless V2 150 from Pro Clear Aquatic Systems is a 110-gallon rimless aquarium system designed for a clean, modern display. Built with ultra-clear low iron glass (no green tint), the 48x24x24 inch tank sits on a matching cabinet available in black or white. Includes an integrated glass sump filtration system with skimmer, refugium, and return compartments, plus a built-in auto top off reservoir that maintains stable water level by automatically replenishing evaporated water. Return pump not included. Overall dimensions 48x24x58 inches.
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Tank & FurniturePro Clear Aquatic Systems
The ProStar Rimless V2 150 Peninsula is a 110-gallon low-iron glass rimless aquarium system with a matching black or white cabinet, integrated glass sump filtration, and an auto top off reservoir; return pump not included.
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Tank & FurniturePro Clear Aquatic Systems
The ProStar Rimless V2 200 is a 150-gallon ultra-clear low iron glass aquarium system with a matching black or white cabinet, integrated glass sump filtration, and an auto top off reservoir. It includes the aquarium, stand, sump, ATO, and plumbing fittings; a return pump is not included.
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Tank & FurniturePro Clear Aquatic Systems
The ProStar Rimless V2 200 Peninsula Aquarium & Stand (60 x 26 x 24 in, ~150 gal) from Pro Clear Aquatic Systems is a low-iron glass rimless peninsula system with matching black or white cabinet, integrated glass sump (~35 gal), 3 gal ATO reservoir, and plumbing; return pump not included.
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Tank & FurniturePro Clear Aquatic Systems
A 180-gallon rimless aquarium system from Pro Clear Aquatic Systems with a modern black or white cabinet stand and included sump filtration. It features 1/2-inch ultra-clear low-iron glass, low-profile dual overflow boxes, and a 60-gallon sump; 72 x 24 x 24 in. footprint.
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