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Oxyturbo CO2 Pressure Regulator

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The pressure in CObottles is much too high to be handled safely without a proper pressure regulation. Solenoid valves, used for aquariums are safe for a pressure up to a maximum of 10 bars, standard tubing may be used up to 1 bar, special COtubes up to 6 bars. The pressure in a CObottle varies, depending on the room temperature between 60 and 70 bar. In order to reduce this pressure down to the optimum working pressure of the aqualine COsystem, a pressure regulator is needed.

Oxyturbo CO2 pressure regulator

The Oxyturbo CO2 pressure reducer can be used with any of the CO2 bottle sizes, providing they have standard connectors.

Main components:

  • Cannister working pressure gauge

  • Output pressure gauge

  • Output amount adjusting needle valve

  • Pressure regulator valve

Availability: In stock

56.07 EUR

YOU GET BONUS POINTS after your purchase. The points can be used for 1 year after the purchase. 1 point = HUF 1 (about EUR 0.00345)

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TRANSPARENT BUSINESS. You are buying from one of the top Aquascaping companies in the world. Green Aqua is a known and respected business. Your orders are safe with us.

QUICK ORDER DELIVERY. We have a uniquely huge stock of goods. Our delivery is very quick. Backorders are limited with us.

PROFESSIONAL CUSTOMER SUPPORT. We emphasize on communicating with our client. We all come from the Aquascaping hobby, we would like to help you with your question.

INSPIRATION. Green Aqua has a world-famous Aquascaping Gallery in Törökbálint, Hungary with 22 planted tanks.







Papillon CO2 pressure regulator - control device

The pressure in CO2 bottles is much too high to be handled safely without a proper pressure regulation. Solenoid valves, used for aquariums are safe for a pressure up to a maximum of 10 bars, standard tubing may be used up to 1 bar, special CO2 tubes up to 6 bars. The pressure in a CO2 bottle varies, depending on the room temperature between 50 and 70 bar. In order to reduce this pressure down to the optimum working pressure of the aqualine CO2 system, a pressure regulator is needed.

Please note that the bubble count to produce the desired CO2 amount dissolved in the aquarium water varies in the different fishtanks. The output pressure indicated on the pressure reducer is only for reference.


  • Output: 70-1200 ml/minute.   
  • Max pressure: 250 bar.   
  • The product can only be used with CO2 gas.
  • Input operating pressure (working pressure): 50-70 bar.   
  • Made of copper, with chrome coating.  
  • Main output pressure: 1-3 bar
  • Two chrome-coated indicators.
  • Needle valve for adjusting the output CO2 gas volume.
  • Can be used with 4/6 mm silicone CO2 hoses.  
  • The needle valve is protected from humidity and other impurities by a metal cap.


  • Make sure the rubber O-ring is in its place inside the connection nut of the regulator.
  • Fix the connection nut of the regulator on the thread of the CO2 bottle (hand tight).
  • Rotate and adjust the pressure reducer to the desired angle and secure the connection nut with a spanner (included). Make sure to tighten it firmly - CO2 gas can escape thus emptying the cannister. Also note that if you fasten it too firmly the O-ring can be damaged and will need to be replaced when changing the empty cannister later.
  • Unscrew the nut of the corresponding 4/6 mm CO2 hose connector and place it on the hose.
  • Connect the 4/6 mm hose to the connector (4) and fasten the nut manually.
  • Close the needle valve (clockwise)
  • Close the black colored main valve (counter-clockwise)
  • Open the CO2 canister tap. The input indicator will show 50-70 bar.
  • Open the black colored main valve.
  • Open the needle valve until bubbles will start appearing in the bubble counter.
  • Adjust the black colored main valve until output pressure is about 1.5-2 bar.
  • Adjust the needle valve to get the desired bubble count.


Never separate a stationary pressure regulator form a CO2 bottle, if it is under pressure. Close the bottle valve, and open the needle valve to release the gas before you separate both units.

CO2 bottles can only be used in upright (vertical) position. Do not incline or use it horizontally, liquid CO2 might damage the pressure regulator.


  • CO2 bootle (cannister)
  • Pressure reducer (regulator)
  • Check valve 
  • Bubble counter
  • Diffuser or reactor
  • CO2-proof silicone hose

All of the above products can be purchased under the CO2 system link.

Made in the EU. Warranty: 1 years.

Additional Info

NameOxyturbo CO2 Pressure Regulator

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Special product delivery

Our main shipping provider - GLS is only delivering our packages up until a certain weight. In some extreme cases - involving shipping of big aquariums, furniture - we will calculate a custom shipping cost, after receiving your order. We will only ship the purchased products after you have confirmed this shipping cost with us.

Our goal is to deliver the plants as quickly as possible to your address, so we are making regular (two times per week) orders to our manufacturers and will send you the fresh plants with GLS as soon as they arrive to us. We also have a uniquely high stock, with hundreds of plants. Please read our terms and conditions.

We would like to inform you that according to the EU regulations we are not allowed to ship live animals or dangerous goods (such as CO2 bottles in example) through our delivery partners. Please note that these can only be picked up at our store. The list of the dangerous goods on sale by Green Aqua can be found here.

Please protect your purchase by always inspecting the package right after delivery. In case of visible damages on the exterior of the package you will need to sigh a written damage form IN THE PRESENCE of the delivery agent! We can only guarantee replacement or resending of any goods if a written damage form or claims form is filled at the time of the delivery! With seamlessly undamaged packages on the exterior, you have 7 days to report any missing or damaged goods from the interor of the package.
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