Pro-SE
$149.99
- Max pressure
- 40 PSI2.7 bar
- Holds pressure to within
- about5 PSI
- Best for
- Most planted aquariums.



π‘οΈ 5-Year Warranty & Lifetime Support β Every PRO-SE regulator is backed by our 5-year warranty and free lifetime technical support, so your investment is protected for the long run.
Ships the same or the next business day
Lifetime free technical support
Up to 10-year warranty
Free delivery on orders over $70

PRO-SE Series - Aquarium CO2 Dual Stage Regulator with Integrated Solenoid
Dual-stage regulators
Both are dual-stage, so the pressure does not surge when the cylinder runs low, the fault single-stage regulators are known for. The difference is how much pressure they give you, and how steadily they hold it.
Tap a photo to see the gear in it β every tile is the customer's own post, credited and linked.
@noseworthy.aquatic.gardens
My beautiful collection of co2art products #co2art #plantedtanks #aquascaping
18 August 2026
@planted.aquarium.studio
Day 25, now everything seems to be ready for the plants π€
#aquarium #aquariumhobby #plantedtank #chihiros #co2art
@chihirosaquaticstudio @co2art @eheim_official @jbl.de
13 August 2026
@jj.scaping.a
Sorry that it took so long for a new video to come. I have neglected my aquariums a lot, just like my Instagram. But today I refilled my Co2 system from @co2art and now it can really start again.
#aquarium #aquascape #co2 #aquascaping #scaping
28 July 2026
@planted.aquarium.studio
Jbl and co2art harmony, we did it πͺ
Thank you @bariscamdibi @aquascaperman @aquascapetry
#aquarium #reels #instagram #aquariumplants
4 May 2026
@divertigo42petit retour après 4 jours de l'installation du kit CO2 art. enfin une diffusion parfaite du CO2. il faut savoir que le CO2 est votre allié contre la lutte de la prolifération d'algues car il se joue dans les bacs une compétition acharnée entre les plantes et les algues. alors...petit retour après 4 jours de l'installation du kit CO2 art. enfin une diffusion parfaite du CO2. il faut savoir que le CO2 est votre allié contre la lutte de la prolifération d'algues car il se joue dans les bacs une compétition acharnée entre les plantes et les algues. alors CO2 ou pas CO2 pour moi le choix est fait depuis longtemps c'est CO2 mais avec un kit performant.#aqurium #aquariophiliefrancais #antialgues #kitco2aquarium
25 April 2026
@divertigo42bonjour Aujourd'hui j'ai reΓ§u le kit CO2 CO2 art. je vous fais une petite review de ce qu'il y a dans ce clip que j'ai commandΓ© et je vous apporte des prΓ©cisions techniques sur ce kit.#aquariophiliefrancais #planteaquarium #aquascaping #antialgues #aqurium
21 April 2026
@jj.scaping.a
So jetzt ist es so weit. Die Co2 Anlage ist jetzt angeschlossen. Bis jetzt bin ich sehr zu frieden. Danke an @co2art fΓΌr das Tolle Produkt und das ZubehΓΆr. πΏπ«§ #aquarium #aquascape #scape #aquascaping #co2
16 March 2026
@jj.scaping.a
π©πͺFΓΌr mein neues Aquascape brauche ich natΓΌrlich eine gute Co2 Anlage damit der Pflanzen Wachstum perfekt ist. Dank @co2art habe ich eine wirklich tolle Co2 Anlage (Pt. 1 Druckminderer / Pt. 2 Defffusor/ Pt.3 schlauch) Danke!
πΊπΈFor my new Aquascape I need of course a good Co2...π©πͺFΓΌr mein neues Aquascape brauche ich natΓΌrlich eine gute Co2 Anlage damit der Pflanzen Wachstum perfekt ist. Dank @co2art habe ich eine wirklich tolle Co2 Anlage (Pt. 1 Druckminderer / Pt. 2 Defffusor/ Pt.3 schlauch) Danke!
πΊπΈFor my new Aquascape I need of course a good Co2 system so that the plant growth is perfect. Thanks to @co2art I have a really great Co2 system (Pt. 1 pressure reducer/ Pt.2 Defffusor/ Pt.3 hose) Thank you!
#co2 #aquascape #aquarium #scape #aquascaping scaping
29 January 2026
@angelocolombo_aquascaping
When the going gets tough...πͺπΌ
Now it's time to make a turbo for my plants. πΏ
Let's connect together, the pressure reducer kit of @co2art
Precision and control are the strengths of this kit.
Adjusting the CO2 output pressure is really easy.
I really love the quality of th...When the going gets tough...πͺπΌ
Now it's time to make a turbo for my plants. πΏ
Let's connect together, the pressure reducer kit of @co2art
Precision and control are the strengths of this kit.
Adjusting the CO2 output pressure is really easy.
I really love the quality of the materials and the texture of this product β₯οΈ
#aquascaping #tools #aquarium #love #co2 #hobby #top #aquascaping_home_studio #enjoy #workhard #aquascape
28 November 2025
@angelocolombo_aquascaping
Hello friends.
Today I finished the connections of the OASE BIOMASTER THERMO 850 filter that sent me @bluviva_com
Thanks to the precision of the @co2art pressure reducer, adjusting the CO2 output pressure is a joke..
I also hung the hooks on the ceiling and hung the hyperbar l...Hello friends.
Today I finished the connections of the OASE BIOMASTER THERMO 850 filter that sent me @bluviva_com
Thanks to the precision of the @co2art pressure reducer, adjusting the CO2 output pressure is a joke..
I also hung the hooks on the ceiling and hung the hyperbar led lamp by @skylightaquarium.
I would also like to thank my other partners:
@baqubrindisi for hardscape material and more.
@iac_crew_ for all the advice I've received.
Soon the tank will be filled and I will proceed to planting.
Aquarium Aquarium Tank Ready to Start Water Fishtank Aquarium Aquarium
23 November 2025
@aquascapingtheworld
Preparing a new scape is super exciting! We are always at the beginning thinking we know what challenges we will face ππ
I always like to try different equipment setups and learn from the different combinations , but I always re-use my @co2art system!
Pro tip: for each scape ...Preparing a new scape is super exciting! We are always at the beginning thinking we know what challenges we will face ππ
I always like to try different equipment setups and learn from the different combinations , but I always re-use my @co2art system!
Pro tip: for each scape I have dedicated @co2art system that I set and never touch - it always hits the golden point - so I donβt have to set it up again and again :) what works I donβt change ππ
11 August 2025
@expoaqua_es
@expoaqua_es
@fruity0ne
CO2STAND
I was building this stand a time ago already but now it got some new colors. Matt black and copper rose and logo in gloss and mirror-inverted.
How do you like the Design?
β’
β’
C02 @co2art
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#aquascaping #aquaria #aquascape #natureaquarium #plantedtank #tropicalfish...CO2STAND
I was building this stand a time ago already but now it got some new colors. Matt black and copper rose and logo in gloss and mirror-inverted.
How do you like the Design?
β’
β’
C02 @co2art
β’
β’
#aquascaping #aquaria #aquascape #natureaquarium #plantedtank #tropicalfish #fishtank #fishkeeping #aquariumsdaily #aquariumofinstagram #mynexttank #aquarium #freshwatertank #mountain #nature #ada #animalsofinstagram #iwagumi #photography #natureart #tropical #plantshelfie #coolplants #fruityone #akuarium #aquaflora #aquafloraateam #ζ°΄θγ¬γ€γ’γ¦γ#γ’γ―γ’γͺγ¦γ
24 March 2025
@skopje_aquascaping
Exciting news! πΏπ
Iβm thrilled to partner with @Co2Art and showcase their top-of-the-line CO2 bottle regulator, a game-changer for maintaining a thriving planted aquarium!
Precision, reliability, and sleek designβthis gear takes CO2 injection to the next level, ensuring my aq...Exciting news! πΏπ
Iβm thrilled to partner with @Co2Art and showcase their top-of-the-line CO2 bottle regulator, a game-changer for maintaining a thriving planted aquarium!
Precision, reliability, and sleek designβthis gear takes CO2 injection to the next level, ensuring my aquatic plants get just the right balance for healthy growth. π±π§
A big thank you to @Co2Art for supporting my passion for aquascaping. Stay tuned as I share the progress of my underwater jungle!
If youβre looking to step up your aquarium game, check out @Co2Artβs amazing gear. π
#CO2Art #PlantedAquarium #Aquascaping #CO2Regulator #AquariumGear #UnderwaterWorld #aquascapelife
16 December 2024
@skopje_aquascaping
Pro Se Series Co2 dual stage regulator with integrated solenoid from @co2art
This thing is so precise, so good!
Co2 levels high and stable! Thats what I need! Bubbles everywhere!πΏπΏπΏ
#co2art #co2 #co2artist #co2regulator #aquariumhobby #aquascaper #aquarium #aquascaping #aqua...Pro Se Series Co2 dual stage regulator with integrated solenoid from @co2art
This thing is so precise, so good!
Co2 levels high and stable! Thats what I need! Bubbles everywhere!πΏπΏπΏ
#co2art #co2 #co2artist #co2regulator #aquariumhobby #aquascaper #aquarium #aquascaping #aquascapers #aquariumgear
18 November 2024
@haspek_scaping
Werbung
Hi Aquarium loverβs ππ»
The co2Art regulator and inline diffuser that I have been using for a while are really beautiful and high quality. I would like to thank @co2art for sending these to me.
The regulator always works stably as set and the inline diffuser dissolv...Werbung
Hi Aquarium loverβs ππ»
The co2Art regulator and inline diffuser that I have been using for a while are really beautiful and high quality. I would like to thank @co2art for sending these to me.
The regulator always works stably as set and the inline diffuser dissolves co2 gas very well ππ»
Follow for more ππ» @haspek_scaping
#haspek_scaping
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#co2art #co2artprose #co2artregulator #co2artinlinediffuser #co2artdiffuser #co2artists #co2artist #co2artfamily #co2aquarium
#aqua #aquarium #akvaryum #aquascape #aquascaping #dutchstyleaquascape #dutchaquascape #dutchaquarium #dutchstyleaquarium #bitkiliakvaryum #akvaryum #plantedtank #plantedaquarium
15 November 2023
@jordanstirrat
Showing you my CO2 system. I am using a @co2art pro-se regulator (gifted product) that is diffused through the @aquario.co.kr mixer attachment (gifted product)
#co2 #aquariumco2 #plantedaquarium #aquascaping #aquarium
5 July 2022
@jordanstirrat
It's been a long time since I last took a photo like this π
#aquascaping #aquarium #aquascape #nature #plantsathome
18 June 2022
@jordanstirrat
My Co2 tank run out a few days ago so I decided to get a couple fire extinguisher canisters instead of using the sodastream canisters I normally use π
My co2 kit (gifted product) is from @co2art and if you haven't heard yet they have created a new UK account @co2art_uk so go ...My Co2 tank run out a few days ago so I decided to get a couple fire extinguisher canisters instead of using the sodastream canisters I normally use π
My co2 kit (gifted product) is from @co2art and if you haven't heard yet they have created a new UK account @co2art_uk so go check them out and give them a follow! π
Subscribe to my YouTube channel for more content!
Advertisement π
βͺοΈ10% DISCOUNT on 2hraquarist (APT) products with code: Jordan
βͺοΈ10% DISCOUNT on CO2Art products with code: jordan
βͺοΈAdobe Lightroom Presets: Link in bio
Sponsored products:
Lighting: @twinstar.eu
Co2 kit: @co2art
Fertiliser: @2hraquarist
Black lava rock: @strideways_worldwide
Filter pipes: @aquario.co.kr
#aquascaping #aquarium #aquascaper #co2art #co2 #hardscape #ponds #fishkeeping #indoorgardening #natureaquarium #plantedtank #plantedaquarium
20 September 2021
Delivery, support, warranty and how to reach us β the short version. Every link opens the full page.
Shipping
Free delivery on orders over $70. We aim to ship every order the same day, and the next business day at the latest. Delivery is fully tracked. Delivery details
Support
Lifetime free technical support on every CO2Art product. Guides, manuals and a ticket form live in the support portal.
FAQ
Cylinders and connections, bubble rates, drop checkers, what a dual-stage regulator does β the questions we hear most, answered. Read the FAQ
Contact
Monday to Friday. We reply within one working day. Contact us
π‘οΈ 5-Year Warranty & Lifetime Support β Every PRO-SE regulator is backed by our 5-year warranty and free lifetime technical support, so your investment is protected for the long run.
The Pro-SE Series Dual Stage CO2 Regulator is an extremely durable and reliable device allowing you to control the CO2 injection in the most comfortable way. Look at the New Generation of our most popular CO2 regulator and trust the most reliable equipment.
The Pro-SE model comes with an integrated Solenoid Valve and a universal power adapter with voltage 100V-200V that can be connected to a timer making the system fully automatic.
The Dual-stage design minimises an increase in output pressure as pressure drops in the co2 cylinder and will prevent end-tank-dump keeping your aquarium safe and CO2 levels constant. The regulator is equipped with two gauges showing the tank volume and the flow pressure/working pressure.
This CO2 regulator comes with a bubble counter and an extremely precise needle valve and an in-built check valve preventing the backflow of water and damaging the regulator. The working pressure is adjustable up to +/- 40PSI (3 BAR) which makes it an excellent product for both marine and freshwater tanks.
The stem thread is made according to North America/CGA320 standard. This CO2 regulator is compatible with all CO2Art tubes and accessories. Pro-SE CO2 regulator provides you with a range of valuable features:
Free delivery on orders over $70; otherwise $14.99 in the US and $24.99 for the rest of the world. We aim to ship every order the same day, and the next business day at the latest. Delivery is fully tracked. Customs or import duties outside the US are charged on arrival. Shipping & returns
The Pro-Elite Series regulator carries a 10-year warranty and the PRO-SE Series regulator a 5-year warranty; every other CO2Art product carries the standard 2-year manufacturer's warranty. All customers receive lifetime free online technical support. Warranty terms
If you are not satisfied with the quality of a product within 30 days of purchase, we send a full refund or a replacement at no charge. Mechanical defects found during the first year are repaired, with any parts needed, at no cost to you. The guarantee
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