You are here: Home > CO2 PRODUCTS > CO2 Products: Red Sea Fish

CO2 Products: Red Sea Fish
To have a complete CO2 system you must have the following:

To have a completely automated CO2 system you need to ALSO have the following:

If you are using these CO2 products with a Calcium Reactor, you'll need the Regulator, Bubble Counter, Hose and CO2 bottle, but will not need the CO2 reactor. The Calcium Reactor will take the place of the CO2 reactor. For an automated system include the Solenoid Valve and pH controller.
Sort By:
Page of 1  
Red Sea 5 lb C02 Cylinder Bottle (Empty Bottle)
Red Sea 5 lb C02 Cylinder Bottle (Empty Bottle)
Usually Ships in 1 to 2 Business Days
Our Price: $155.00 In Stock!

This bottle does not contain CO2. It's shipped empty and must be filled locally (full CO2 bottles can not be shipped).
  • Please look at our CO2 System Info page for a complete list of products needed for a complete CO2 setup
Red Sea CO2 Pro System
Red Sea CO2 Pro System
Usually Ships in 1 to 2 Business Days
Our Price: $135.50 In Stock!

The Red Sea CO2 Pro System is a complete, efficient and user-friendly system to maintain a desired level of CO2 in planted aquariums from 10 to 125 gallons (40 to 500 Liters).

The CO2 Pro System Includes:
  • Full featured, dual gauge, safety Regulator that is supplied in versions suitable for connection to standard refillable CO2 cylinders and disposable CO2 cylinders
  • Independent, high precision, in-line, Needle Valve that can be located in a convenient location on the side of the aquarium and be set to stable flow rates as low as 4 bubbles per minute.
  • Highly efficient CO2 Reactor 500 that includes an adjustable flow water pump and can dissolve over 180 bubbles of CO2 per min
  • Bubble Counter with integrated check valve
  • Real time CO2 Indicator arrow
  • Does NOT come with CO2 bottle or tubing
Milwaukee SMS122 pH Monitor/Controller
Milwaukee Instruments pH Monitor/Controller, SMS122
Usually Ships in 1 to 2 Business Days
Our Price: $117.00 In Stock!

The Milwaukee Instruments pH Monitor/Controller SMS122 monitors values in your aquarium and allows you to control other equipment when a user selectable point is reached (it also has visual alarm). This meter has two point calibration and a set point range of 5.5-9.6 pH. It includes electrode, 20 mL 7.01 calibration solution, AC adapter and controlled outlets. You may wish to purchase extra pH calibration solution.

Product Manual (pdf format in new window)
Red Sea CO2 Pressure Regulator
Red Sea CO2 Pressure Regulator & Needle Valve
Usually Ships in 1 to 2 Business Days
Regular Price $97.75
Clearance Price $79.99
You Save $17.76! In Stock!

The Red Sea CO2 Pressure Regulator & Needle Valve is designed specifically for aquarium use, the Pressure Regulator and Needle Valve are independent units connected by low-pressure CO2 tubing. The high precision needle valve is designed to be mounted on the side of the aquarium enabling easy access for regular flow adjustment or complete shut off. Once assembled and set to the desired working pressure the CO2 Cylinder/Regulator can be located out of site, behind or under the aquarium. Easily upgradeable for automatic control with an in-line solenoid control valve.
  • Please look at our CO2 System Info page for a complete list of products needed for a complete CO2 setup
  • Easy to read high and low pressure gauges
  • Integral pressure relief valve
  • Independent needle valve -- stable flow rate from 4 bubbles per minute
Red Sea CO2 Control Valve (solenoid valve)
Red Sea CO2 Control Valve (solenoid valve)
Usually Ships in 1 to 2 Business Days
Regular Price $66.25
Clearance Price $54.00
You Save $12.25! In Stock!

For the safe use of CO2 it is highly recommended to automate the CO2 system with either a simple time switch or a pH controller. The in-line solenoid Control Valve connects the CO2 system with either of these devices.
  • Please look at our CO2 System Info page for a complete list of products needed for a complete CO2 setup
  • Includes both a hose barb with lock nut for the in-line connection on the CO2 tubing and a standard 1/8" thread for direct connection to a pressure regulator
Red Sea C02 Reactor (Reaktor) 500
Red Sea C02 Reactor (Reaktor) 500
Back Order
Our Price: $35.30 (Out of Stock)

The Red Sea C02 Reactor (Reaktor) 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 CO2 / water interface inside the reactor ensures almost complete dissolving of available CO2 while non-dissolvable gases are gently vented to the water surface.
  • Please look at our CO2 System Info page for a complete list of products needed for a complete CO2 setup
  • Highly effective vortex reaction chamber
  • Adjustable flow 250 l/h (65 gal/h) pump
  • Super compact design 9.5 x 4 x 5.5 cm (3.75" x 1.6" x 2.2")
  • Dissolves CO2 at flow rates of up to 180 bubbles per minute
  • Suitable for planted aquariums 40 to 500 Liters (10 – 125 gal)
Red Sea CO2 Needle Valve
Red Sea CO2 Needle Valve
Usually Ships in 1 to 2 Business Days
Regular Price $33.15
Clearance Price $24.99
You Save $8.16! In Stock!

The Red Sea CO2 Needle Valve can be located in a convenient location on the side of the aquarium and be set to stable flow rates as low as 4 bubbles per minute.
  • Please look at our CO2 System Info page for a complete list of products needed for a complete CO2 setup
Sera CO2 Long Term Test Kit
Sera CO2 Long Term Test Kit
Usually Ships in 1 to 2 Business Days
Our Price: $13.50
Sale Price (ends 9/15) $10.80
You Save $2.70! In Stock!

The Sera CO2 Long Term Test Kit mounts inside the tank for permanently checking the CO2 level in aquarium water