Red Sea 20oz CO2 Cylinder (Paintball)

20 oz.CO2 Cylinder with Pin Valve "Paintball version" shipped empty

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Red Sea 5lb CO2 Cylinder (Refillable) with Standard Valve

5 lb. CO2 Cylinder with standard valve "standard refillable bottle" shipped empty

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Red Sea CO2 Bio Refill

Includes the components for one month`s supply of CO2

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Red Sea CO2 Bio System

A natural efficient system for the production and diffusion of CO2 for aquariums up to 40 gallons. This simple and reliable system generates CO2 by a pH buffered natural fermentation process, providing an almost constant supply of...

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Red Sea CO2 Bubble Counter with Integrated Check Valve

Compact, Easy to use bubble counter with integrated check valve Check valve protects the gas system from backflow of aquarium water. Provides an accurate measurement of the CO2 flow rate.

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Red Sea CO2 Electronic Control Valve (Solenoid)

Solenoid for automating dosing of CO2 Too much CO2 can reduce the pH in an aquarium to levels that are stressful for fish. For the safe use of CO2 it is highly recommended to automate the CO2 system with either a simple time swit...

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Red Sea CO2 Indicator

Real time CO2 monitor for freshwater aquariums The Red Sea CO2 indicator gives an easy to read, continuous, qualitative visual indication of the current CO2 level in a freshwater aquarium.

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Red Sea CO2 Needle Valve

Independent, high precision, fine flow valve The independent needle valve is designed to be mounted on the side of the aquarium enabling easy access for fine flow adjustment or complete shut off. The CO2 Cylinder / Regulator can ...

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Red Sea CO2 Pressure Regulator for Paintball CO2 Bottles

Full-featured safety regulator with independent needle valve Designed specifically for aquarium use, the Pressure Regulator and Needle Valve are independent units connected by low-pressure CO2 tubing. The high precision fine-flow...

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Red Sea CO2 Pressure Regulator for Standard CO2 Bottles

Full-featured safety regulator with independent needle valve Designed specifically for aquarium use, the Pressure Regulator and Needle Valve are independent units connected by low-pressure CO2 tubing. The high precision fine-flow...

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Red Sea CO2 Reactor 500

Efficiently dissolves CO2 into aquarium water This fully adjustable, power driven, super compact CO2 reactor will simply and efficiently maintain the desired level of CO2 in a wide range of planted aquariums. The turbulent flow C...

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Red Sea CO2 System 500 (Paintball Bottles)

Professional CO2 system for aquariums up to 500 liters-Paintball version (CO2 bottle not included). System includes: Pressure regulator, high precision hang on the tank flow valve, CO2 reactor 500, CO2 real time indicator, bubble ...

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