Explore plant fertilizers, liquid CO2, reef dosing pumps and supplements used by aquarists.
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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
9 matching items · Most used first
SupplementationEHEIM
The EHEIM CO2 24V night shut-off for powerLED+ is a magnetic (solenoid) valve that switches off the aquarium CO2 supply overnight, for example during the sunset phase when connected to the EHEIM LEDcontrol+ lighting system, saving up to 50% of CO2. It operates silently, is maintenance-free, and includes a non-return valve and a 1.5 m cable.
0 showcased tanks
SupplementationEHEIM
The EHEIM CO2 diffuser 600 is a quality glass CO2 diffuser with a separate bubble counter and integrated non-return valve, for aquariums up to 600 litres. Its large diffuser area atomizes CO2 into fine bubbles for optimum, loss-free distribution, and it mounts space-savingly in the tank corner with two powerful suction holders.
0 showcased tanks
SupplementationEHEIM
The EHEIM CO2 magnetic valve 24V is a solenoid valve that acts as a night shut-off for a CO2 system, and can also be used with CO2 systems from other brands. It connects to the EHEIM PowerLED+ power supply, runs on safe 24V low voltage, is maintenance-free and quiet in operation, and includes a non-return valve.
0 showcased tanks
EHEIM
The EHEIM CO2 SET400 is a complete reusable CO2 fertilization system for aquariums, supplied without the bottle. It includes a precision pressure reducer with manometers and precise dosing valve, a 360-degree rotating hose connection, 3 m of pressure-resistant CO2 safety hose, a safety diffuser with bubble counter and non-return valve, water test strips, and a CO2 long-term test with indicator reagent for permanent CO2 measurement.
0 showcased tanks
SupplementationEHEIM
EHEIM CO2 hose, 3 metres long with 4/6 mm diameter, for connecting the components of a CO2 fertilization system in the aquarium.
0 showcased tanks
SupplementationEHEIM
The Eheim CO2 long-term test set is a complete kit for continuously monitoring CO2 levels in the aquarium, including a drop checker with suction cup, 10 ml of indicator liquid (about 90 applications) and three 5-in-1 water test strips for determining carbonate hardness. Made in Germany.
0 showcased tanks
SupplementationEHEIM
The EHEIM CO2 pressure reducer with manometers is a precision pressure reducer for 500 g and 2000 g reusable CO2 bottles, suitable for the EHEIM CO2 SET 400 and CO2 SET 600 fertilizer systems. It has two pressure gauges showing working (system) and cylinder pressure, an EHEIM bubble counter for precise and continuous CO2 dosing, and a 360-degree rotating hose connection with tool-free assembly.
0 showcased tanks
SupplementationEHEIM
The EHEIM CO2 diffuser 400 is a small, effective CO2 diffuser with an integrated bubble counter and non-return valve, for small and medium aquariums up to 400 litres. It atomizes CO2 into fine bubbles so it dissolves quickly in the water, and attaches to the aquarium pane with a powerful suction holder.
0 showcased tanks
SupplementationEHEIM
The EHEIM CO2 SET600 is a complete reusable CO2 fertilization system for aquariums, supplied without the bottle. It includes a precision pressure reducer with manometers and precise dosing valve, a 360-degree rotating hose connection, 3 m of pressure-resistant CO2 safety hose, a safety diffuser with bubble counter and non-return valve, water test strips, and a CO2 long-term test with indicator reagent for permanent CO2 measurement.
0 showcased tanks