Description
GLA PRO-DS Dual Stage CO2 Regulator (Modular)
The GLA PRO-DS-1 Dual Stage CO2 Regulator is a professional-grade solution designed for advanced planted aquariums. Built for precision, stability, and long-term reliability, it delivers consistent CO2 output without the pressure fluctuations commonly found in single-stage regulators.
Engineered with a modular manifold system, the PRO-DS allows you to expand CO2 distribution across multiple aquariums while maintaining independent control of each line.
Who This Is For
- Advanced aquascapers and high-tech planted tanks
- Multi-aquarium setups
- Users who demand maximum stability and control
If you are looking for the highest level of CO2 precision and a regulator that can scale with your setup, the PRO-DS is the ideal solution.
Why Dual Stage Matters
Dual-stage regulators reduce CO2 pressure in two steps, eliminating fluctuations as the cylinder empties. This prevents “end-of-tank dump” and ensures stable, consistent CO2 delivery from full to empty.
- No end-of-tank pressure spikes
- Stable working pressure throughout cylinder life
- Ideal for sensitive and high-demand aquariums
Modular Manifold System
The PRO-DS features a fully modular manifold system, allowing you to expand CO2 distribution to multiple aquariums using a single regulator. Each block provides independent control and can be added or removed as your system evolves.
- Expandable multi-tank CO2 distribution
- Independent needle valve control per aquarium
- Clean, scalable system design
How the Manifold System Works:
- 1 Block → 1 Aquarium
- 2 Blocks → 2 Aquariums
- 3 Blocks → 3 Aquariums
- 4+ Blocks → Expand as needed (up to 6)
Each block operates independently, allowing precise CO2 adjustment for every aquarium.
Key Features
- Dual Stage Regulator: Eliminates pressure fluctuations
- Modular Manifold: Expandable multi-aquarium capability
- Precision Needle Valves: Micro-adjustment for each output line
- Integrated Solenoid: Automates CO2 on/off
- Dual Gauges: Monitor tank and working pressure
- Premium Construction: Built with high-grade pneumatic components
Performance & Design
- Laser precision metal-on-metal valve seat
- Multi-stage stainless steel micron filtration
- Integrated pressure relief valve (PRV)
- Pressure tested and leak checked prior to shipment
- Designed and assembled in the USA
Specifications
- Installation: CGA-320 (USA standard CO2 cylinders)
- Pressure Reduction: Dual Stage
- Output Pressure Range: 0–140 PSI
- CO2 Distribution: Modular (based on selected manifold blocks)
What’s Included
- GLA PRO-DS-1 Dual Stage CO2 Regulator with modular manifold (configured as selected above)
- Nylon CO2 tank seal
The GLA PRO-DS regulator is designed for aquarists who demand precision, scalability, and long-term performance. It delivers professional-grade CO2 control for even the most demanding planted aquarium systems.
GLA CO2 Equipment
Designed in the USA, GLA CO2 regulators represent our highest standard of precision engineering and long-term reliability. Each unit is built using premium pneumatic components and rigorously tested to ensure consistent, dependable performance in demanding aquarium environments.
Trusted by aquascapers worldwide, GLA CO2 equipment has set a benchmark for quality—delivering professional-grade performance for high-tech planted aquariums and advanced multi-tank systems.
FAQ
What is the benefit of dual-stage regulation?
Dual-stage regulators prevent pressure fluctuations as the CO2 cylinder empties, ensuring stable output and eliminating end-of-tank dump.
Can this run multiple aquariums?
Yes. The modular manifold system allows you to expand CO2 distribution to multiple aquariums.
Each block provides one independently controlled output. Select the number of blocks based on how many aquariums you plan to run (e.g., 3 blocks = 3 aquariums).
Can I expand later?
Yes. Additional manifold blocks can be added as your setup grows.
Is this compatible with other regulators?
No. The modular manifold system is designed specifically for GLA PRO-DS regulators.
Support & Warranty
- Lifetime Warranty: Regulator covered against manufacturing defects
- Lifetime Support: Expert assistance available
- Installation Guidance: We’re here to help you get started
Limited Lifetime Warranty: The GLA PRO-DS CO2 Regulator included in this system is covered by a limited lifetime warranty against defects in materials and workmanship for the original purchaser. This warranty is non-transferable and applies only when the product is used in accordance with Green Leaf Aquariums, LLC (GLA) guidelines and standard operating practices.
This warranty does not guarantee product performance for the lifetime of the purchaser. Product lifespan may vary based on usage, installation, and operating conditions.
- Coverage applies only to manufacturing defects under normal use
- GLA reserves the right to repair, replace, or issue store credit at its discretion
- If a product is discontinued, a comparable replacement or credit may be provided based on product condition and age
Warranty Exclusions:
- Improper installation, misuse, neglect, or damage
- Modifications, alterations, or unauthorized repairs
- Use of improper tools or excessive force
- Normal wear and cosmetic damage that does not affect functionality
Important: A wrench should only be used to secure the regulator to the CO2 cylinder. Damage resulting from improper use of tools or incorrect installation methods is not covered under this warranty.
GLA is not responsible for damage caused by improper installation or use. However, repair services and support may be available for a fee.
CO2 cylinders, tubing, and other consumable or accessory items included with this system are not covered under the regulator warranty unless otherwise specified.
Proof of purchase may be required for all warranty claims.
Customer Reviews
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Facebook recommendation was right!
Per a few Facebook groups who read my plea for help with my crappy Fzone regulator a bunch of members advised to go with GLA, and let me tell you, it’s premium grade vs the cheap crap I wasted money on. It’s true what they say, buy once cry once and by gosh this co2 system is very nice. You notice it immediately upon taking it out of the box. Thoroughly enjoyed chatting with Noah at GLA who helped me decide on this. Bought a few other bits and couldn’t be more pleased. It’s a high quality regulator with easy operation that is indeed buttery smooth!
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There is only one premium co2 system and it’s GLA.
I’ll say it again, there is only one premium co2 system and it’s GLA. You can take your time looking at Co2art,Fzone, Chihiros or any of those other brands and they all have the same thing in common. All are exactly the same just different colors. They should be embarrassed honestly. GLA is the OG original in co2 delivery because they are the pioneers of this solenoid system. If anybody knows how a solenoid and manifold should be built, it’s GLA. Much better construction and materials used in all aspects of the build of the regulator. The needle valve is rock solid and built to last you forever and what I like most is everything is serviceable at home. Now I know why the warranty is amazing. If you don’t use this to hammer nails into wood it will last you forever. GLA will always have your back with support because they recently freshened up my old regulator from 2008. They sent it back looking brand new I was so happy. Thank you GLA and staff for always being there for my scapes. Cheers, Miguel.
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Ain’t no substitutions for the best.
Don’t settle for less or cheaper options, you’ll just end up later here buying this. GLA outperforms Co2Art or Fzone. There’s no substitution for high quality and those fake brands don’t even compare.
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There is no better co2 system on the market.
You can buy a cheap regulator anywhere, but why? People like to think these Fzone regulators are great. I’m here to tell you they are not and they will waste days of your life with constant adjusting. So then you thought CO2Art was a better choice just to find out it’s the same exact garbage just a different color and even worse because it cost me more. Yes, that was me and my wife is very pissed off at me for all of it. I told her that GLA was my last one and if it doesn’t work out I’ll quit the hobby. Well, fast forward 6 maybe 8 weeks now since I’ve installed and haven’t even touched it, although I did dust it off with a microfiber cloth. I did that because I was so proud of my GLA regulator. I felt accomplished like I finally did something right. The build quality of GLA is a night and day difference from these knock off brands. The precision of delivery is unbelievably steady. No psi adjusting no needle valve adjusting no nothing. Just rock steady. My wife doesn’t see me yelling at the regulator in frustration anymore, there is peace now at water change day. The day I dreaded most because that’s when I’m investigating crap the most. Now, it’s just peace and doing other projects and no troubleshooting hours wasted. Thank you GLA for bringing peace to my household and making a fantastic product.
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Sooo much nicer than my old junk.
After a complete crash in my scape I decided to rebuild and swap my co2 system out for GLA. My current co2 system wasn’t even old it was only 4 months old Co2art Pro SE. it turned into absolute dookie after only a few months. The bubble counter broke, then the psi adjustment knob fell completely off. My husband was looking at it and he noticed the stem that connects to the cylinder wasn’t even installed correctly. The hole where it threaded into the body was off by a 1/4” or so. I never noticed but sure as heck it was angled all weird. This GLA regulator has been perfect right out of the box.
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Always top shelf with GLA CO2 regulators.
This is the absolute best of the best in co2 equipment. My local fish shop only had Co2art and a few other brands. After having my hands on them giving them a good once over I chose not to go with those. Even the guy at the store told me to buy GLA. I forgot see GLA in action at Aquashella, abd after seeing it and playing around with it I knew it was the one. It’s do much larger,heavier and the function of the needle valve in its control was much nicer. Just nicer all around with that cool solenoid system. So glad I bought this!
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Perfect regulator
Bought it in 2023, still going strong 2 years later.
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Impressive co2 regulator.
By recommendation from a Facebook group I took the plunge to replace my Ultum Nature Systems regulator. I was going to replace it with Fzone and noticed both were exactly the same. Not sure what’s up with that but what a waste of money those things are. Looks were very deceiving. What looked nice turned out to be recyclable trash. This GLA DS is 100% leaps and bounds in quality and precision of delivery. Couldn’t be happier with GLA.
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GLA PRO-DS-1 Dual Stage CO2 Regulator
Very precise adjustability. Movement is very smooth. Quality all the way. Just wish I bought a second manifold and bubbler.
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CO2 Regulator
The regulator has been great. Very easy to set up.
