Description
GLA GRO Planted Aquarium CO2 Regulator
The GLA GRO CO2 Regulator is a compact, precision-built single stage regulator designed for reliable CO2 delivery in single aquarium setups. Built with high-quality pneumatic components and assembled to strict standards, it provides consistent output and dependable performance for planted aquariums.
Positioned as a streamlined option within the GLA regulator lineup, the GRO is designed for aquarists seeking reliable, consistent CO2 performance in a compact and straightforward configuration.
Designed for consistency and reliable long-term operation, the GLA GRO delivers stable CO2 performance for planted aquariums of many sizes when configured appropriately.
Who This Is For
- Aquarists seeking a streamlined and reliable CO2 regulator
- Single aquarium planted tank setups
- Hobbyists prioritizing compact installation and simplicity
- Planted aquarium systems not requiring modular multi-aquarium expansion
Aquarists seeking additional modular expandability or enhanced pressure stability refinement as cylinder pressure changes may also consider dual-stage systems such as the GLA PRO-DS or DS-MINI.
Key Features
- Single Stage Design: Reliable CO2 delivery for single aquarium setups
- Precision Needle Valve: Micro-adjustment for accurate and stable CO2 dosing
- Integrated Solenoid: Automates CO2 on/off with a timer or controller
- Premium Bubble Counter: Includes integrated check valve to protect internal components
- Pressure Relief Valve (PRV): Built-in safety feature for system protection
- Compact Footprint: Clean installation with minimal space requirements
- Tested in the USA: Pressure tested and leak checked prior to shipment
Performance & Design
- Laser precision metal-on-metal valve seat for consistent regulation
- Multi-stage micron filtration at inlet and outlet
- 360° adjustable needle valve for flexible installation
- Durable aluminum regulator body with premium pneumatic components
- Engineered to meet GLA performance standards and tested to ensure consistent, dependable operation.
Specifications
- Installation: CGA-320 (USA standard CO2 cylinders)
- Pressure Reduction: Single Stage
- Output Pressure Range: 0–70 PSI
- CO2 Distribution: Single Aquarium
What’s Included
- GLA GRO CO2 Regulator with integrated solenoid and bubble counter with check valve
- GLA OEM CO2 tank seal
The GLA GRO CO2 Regulator is designed for aquarists who value reliability, simplicity, and clean installation. It delivers consistent CO2 control for planted aquariums without unnecessary complexity. Simple, reliable, and built to perform—everything you need for a clean and effective CO2 setup.
GLA CO2 Equipment
GLA CO2 regulators are engineered to meet our exacting standards for precision, reliability, and long-term performance. Each unit undergoes inspection and testing in the USA to ensure consistent, dependable operation in demanding aquarium environments.
Trusted by aquascapers worldwide, GLA CO2 equipment has set a benchmark for quality—delivering professional-grade performance for aquarists who demand precision, reliability, and long-term results.
FAQ
Is this a dual-stage regulator?
No. The GLA GRO is a single-stage regulator designed for simplicity and reliability in single aquarium setups.
Can this run multiple aquariums?
Yes, with the addition of a GLA GRO CO2 splitter. However, for independent control and maximum stability, a dual-stage regulator system is recommended.
Will this work with standard CO2 tanks?
Yes. This model uses a CGA-320 connection, which is standard for CO2 cylinders in the USA.
Is this suitable for beginners?
Yes. The GLA GRO is commonly chosen by both beginner and experienced planted aquarium hobbyists seeking a compact, reliable, and straightforward CO2 regulator system.
Optional Add-On: CO2 Splitter (Multi-Tank Expansion)
Expand your GLA GRO CO2 System to run multiple aquariums with the GLA CO2 Splitter. Designed specifically for compatibility with GLA GRO regulators, this add-on allows you to distribute CO2 to additional tanks from a single regulator.
Each outlet includes its own precision needle valve, allowing independent control of CO2 flow to each aquarium for optimal tuning and plant growth.
- Expands CO2 distribution to multiple aquariums
- Independent needle valves for precise control per tank
- Easy installation directly onto GLA GRO regulators
- Designed for seamless compatibility with GLA GRO systems
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: GLA CO2 regulators are 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.
Warranty coverage applies only to products purchased directly from greenleafaquariums.com or authorized sales channels. Proof of purchase may be required for all warranty claims.
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 sole 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, cartridges, and other consumable or accessory items are not covered under the regulator warranty unless otherwise specified.
Customer Reviews
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We love it and bought 6!
We started with one and now have 6 of these going in our plant nursery. These are really well made, heavy duty and super easy to use anybody could use one!
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Wonderful!
Great working kit here. Fits perfect in my space and has been consistent every day. I’ve refilled my cylinder twice in two years and aquascape has been glowing beautifully.
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Very happy
Couldn’t be happier! I came back today to buy another one lol. My first one is a little over a year old and it’s like brand new today. Works extremely well.
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I love it!
So perfect for my small space but wanted something reliable. This guy has been wonderful. Very pretty regulator and nice finish to it. It only took me a few minutes to install. I was shocked how easy it was. I felt confident after that lol. You will love this regulator its been just terrific.
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Its wonderful
I got this for a second tank upstairs and its been really nice. No issues, installation was simple and I like how well its made. Its almost a year old and looks brand new. Its super heavy and compact and no doubt it will last me forever.
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GLA GRO AQUARIUM CO2 REGULATOR
The device works as advertised. I've purchased this item several times in the past, and the quality continues to impress.
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Fantastic build quality and service.
Its been a long time for my review lol. I have had this regulator for over a year now and its been just flawless. My tank and fish are always happy so that makes me happy. Ive even installed this incorrectly several times due to my idiocracy, and still works like a champ to this day. Its just been a real gem.
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Exceptional quality and service.
Very high quality, heavier than you would expect. Its super dense, installation was easy and my tank is pearling!
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Super nice I love it!
Super fast shipping,great packing and installation was a sweet breeze. Loving GLA products:)
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Small and mighty.
Super nice and very well designed. It came with tools and easy to follow instructions. I like that this regulator fits every cylinder available. Its been terrific since we've owned it.
