GLA PRO-DS-1 Aquarium CO2 Regulator (Dual Stage) (Modular)

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The GLA modular series CO2 regulators lead the way in adaptive CO2 distribution. Our innovative modular manifold, allows the user to add manifold blocks with ease, and expand CO2 supply, independently, to up to 5 aquariums. Our modular series regulators can adapt to the expansion of your aquarium system, allowing you to use one regulator for multiple tanks. We make sure that when you invest in our professional CO2 equipment, you invest in a single regulator that can grow with you and last a lifetime.

GLA PRO-series CO2 regulators are built with professional & innovative components for CO2 precision and lifetime CO2 distribution. Our PRO series CO2 regulators are designed to last you a lifetime of planted aquarium enjoyment. We design and hand build our CO2 regulators in the USA, our business is founded on providing lifetime CO2 technology and CO2 distribution excellence.

Professional grade dual stage regulator body

Dual stage regulator reduces source pressure in two steps to eliminate fluctuation in working pressure, as pressure drops in CO2 cylinder

Multi-stage stainless steel micron filtration inlet and outlet

Laser precision metal-on-metal valve seat. 

Integrated pressure relief valve (PRV)

Custom precision GLA needle valve

Pro-class solenoid valve with ‘cool touch’ technology keeps the solenoid cool to the touch during operation

Custom GLA bubble counter with advanced filtration and check valve to protect internal components of regulator

Dual gauge (tank volume and working pressure)

No end-of-tank dumps

We are confident that our modular series GLA CO2 regulators rise above and outlast the competition

Custom built, pressure tested, and leak tested in the USA

Our business is to provide professional quality CO2 regulators and systems to the aquarium hobbyist and to specialized CO2 applications seeking the best CO2 equipment available. We design our CO2 collection with pro-quality pneumatic components to provide an extremely reliable, long-term solution for CO2 distribution. Our CO2 experts build each regulator to order and provide longterm customer care for each regulator shipped out of our distribution center.

Installation: CGA320

Output Pressure: 0 - 140 PSI

Tank / High Pressure: 0 - 3000 PSI

Includes: one nylon inlet seal

(CO2 tubing not included, purchase tubing here)

Shipping & Lifetime Warranty

Current lead time of 1-3 business days. Orders ship in 1-3 business days.

We do not accept returns on CO2 Regulators.

GLA modular series regulators are covered under a LIFETIME warranty.



7 Reviews

Samantha Reynolds 23rd Jan 2020

Real profesional quality co2 system

I love my new GLA co2 regulator. This has to be the very best co2 regulator on the market. My previous electronic co2 regulator is not even in the same class of precision,form and finish. This is a real true to life high quality piece of equipment. I can add extra manifolds at anytime if I need to feed more tanks. Thanks GLA for making such high quality co2 regulators from us plant geeks!:)

Don Luthy 13th Jan 2020

SMOOTH, well done GLA

I've owned 5 co2 systems in my life and only two were worth a !*&!, the first and the last. And GLA will be my last!
My first system was basically a co2 bottle with a series of upside down cups submerged in the aquarium. Not the most effective system, but I did see some results and it was so simple nothing could go wrong. Thanks Tetra. Your system was exactly what you said it was. Although you failed to mention the bug you were bitting me with.
Since then every system I've tried has been garbage. Leaking gauges, poor needle valves, regulators with two settings (full on or maybe tomorrow) I've seen it all. I had about given up. I found myself dreaming of those simpler days even if it meant having a stack of plastic cups in my aquarium.
I don't know what internet rabbit hole led me to your web site, but there I was and I was trying every trick to talk myself out of buying another over-priced on/off switch for my 5 gallon Betta tank. Lol (I've got dreams, ok)
Well, it arrived shortly after.
30 minutes after arrival it was running perfectly. Well, other than the leaky check valve i had left in line from my old system. BEGONE, DEMON!
Thank you GLA, for providing me exactly what I have been expecting for the last 35 years. I would not change a thing. The looks are great, the Finnish on all the parts are perfect, every knob has the same smooth action, all the valves have perfect ratios for ease of use and responsiveness, love the bubble counter, and even great instructions. Most importantly though, one week in and I'm all ready getting great results.
Will buy again. Will be trying more of your products.
Gotta go plan that dream tank, talk to you soon.

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