Description
GLA PRO-CO2 Reactor 5L – Maximum CO2 Saturation for Nature Aquariums
The GLA PRO-CO2 Reactor 5L is engineered for unmatched CO2 dissolution, delivering maximum efficiency with virtually zero waste. Built for serious aquascapers and high-tech planted aquariums, this reactor ensures stable, high-level CO2 saturation to support vibrant, healthy, and fast-growing aquatic plants.
Key Features:
- 5L High-Capacity Reactor Chamber: Designed to handle high-flow filtration systems while maintaining consistent CO2 saturation throughout the water column.
- Precision-Designed in the USA: Constructed from professional-grade, crystal-clear acrylic for durability and long-term performance (19" tall × 6" diameter).
- Whirlpool Diffusion System: The internal vortex chamber creates a high-flow whirlpool effect, ensuring complete CO2 absorption before water returns to your aquarium.
- Universal Tubing Compatibility: Supports 12/16mm, 16/22mm, and 20/25mm tubing for seamless integration with most canister filters and external pumps.
- Quiet, Bubble-Free Operation: Eliminates microbubbles and CO2 noise common with diffusers—ideal for display tanks and living spaces.
- Maximum CO2 Efficiency: Reduces CO2 loss and ensures every bubble is fully dissolved, saving gas and improving stability.
- Maintenance-Friendly Design: Wide body and removable top allow for quick cleaning and access to internal components.
Installation & Functionality:
- Connect the reactor inline with your canister filter’s return/output line.
- Attach CO2 tubing using the built-in Speedfit connection—a secure, tool-free fitting with an integrated on/off valve for precise CO2 control.
- Allow the vortex system to create a high-energy mixing environment that fully dissolves CO2 before water re-enters the tank.
- Adjust your CO2 rate to match the demands of your planted aquarium for optimal growth and stability.
Why Choose a GLA CO2 Reactor?
- Professional-Grade Performance: Built for high-demand aquascapes requiring stable and high CO2 levels.
- Enhanced Plant Growth: Provides consistent, fully saturated CO2 delivery that drives lush growth and stronger coloration.
- Ideal for Larger Tanks: Perfect for medium to large nature aquariums where diffusers cannot keep up with CO2 demand.
- Energy Efficient: Works flawlessly with existing filtration—no additional power required.
Built for aquascapers who demand uncompromising performance, the GLA PRO-CO2 Reactor delivers precise CO2 control, maximum dissolution efficiency, and superior plant health for the most demanding planted tanks.
Customer Reviews
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This reactor is super nice.
Wasn't expecting this when I opened the box. Very nice size and quality craftsmanship. For my 90g its working flawlessly. If you are looking for a profesional grade co2 reactor, this is it.
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Works perfect!
My first reactor and I’m beyond pleased. I was over the 7-Up look from my regular diffuser and since using this reactor the active pearling is intense. Plants are responding and I’m sure my fish are loving the extra oxygen produced by the plants. Very high quality co2 reactor!
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I found the solution to my co2 levels in this co2 reactor.
Almost gave up on my 120g scape due to so many issues keeping my co2 levels stable. I will say GLA helped a ton with my tank. I was doing so many things wrong I had no idea. By implementing this reactor and GLA’s guidance my plants are busting with oxygen before lights out. Amazing product and customer support you’d expect to pay for, I certainly should have paid them for all the help. Thank you GLA.
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Where has this been all my life!
My plants are pearling like crazy since I started using this reactor. Needless to say this bad boy works!
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This is one heck of a co2 reactor.
I saw the dimensions in the listing, but it doesn’t do it justice. The bad boy is nice and big. I have this on a 160g tank and it’s working superbly. It did take me a couple days to adjust things, to be expected. Super happy, very well made reactor from GLA.
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Works like a charm and total clarity.
Works flawlessly. My tank is finally crystal clear and no issue with fizzy looking water. However I will say be sure ot use a check valve on your co2 tubing as this does not come with one. Also, cool side effect happens is your plants will start to produce millions of oxygen bubbles. My old diffuser was able to do this at a fraction of the level. Now the amount of oxygen production is super intense and quite beautiful. My fish eat the pure oxygen bubbles for dinner lol. Anyways, great products from GLA Im super happy.
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They should call this the SUPER co2 reactor.
The pictures do not do justice, this thing is a big and burly. I can not stress enough how intense my plants produce oxygen by the end of the day, its super intense and no diffuser ever did that for me. Super impressed with this, and thank you David for helping tune my co2 levels!
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Huge thanks to GLA and team!
Highly recommend GLA products. Got a whole co2 system and this reactor and could not be happier. Everything was high quality and packaged well. Service was top notch!
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This bad boy is the jam!
This is THE co2 reactor. 3 weeks solid so far and haven’t touched a dang thing. My apex controller says my co2 has never been more stable. Love this thing!
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Brilliant co2 reactor and great customer support!
Wonderful experience was had working with GLA and my first co2 reactor. I come from years of old diffusers and inline diffusers but grew tired of the frothy bubbles all over. It wasn’t bad but once you see a clear tank enriched with co2 it’s hard to pass up the concept. My local fish shop has GLA products and they had one of these hooked up on a big display tank. I ordered one with a new co2 system and in 5 days it arrived and was set up. I did have GLA assist me with tuning the co2 bubble rate and in 48hrs my drop checker was a lime yellowish green and was advised to lower my bubble rate. Day 3 it was perfect. Everything has been sparkling clear and my plants are loving it! A million thanks David at GLA for all your help!
