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5.0

NEW IO Diffuser - Acrylic Series - In-Tank CO2 Diffuser

NEW IO Diffuser - Acrylic Series - In-Tank CO2 Diffuser

NEW IO Diffuser - Acrylic Series - In-Tank CO2 Diffuser

From ¥152.00

IO Diffuser Replacement Ceramic Membrane

IO Diffuser Replacement Ceramic Membrane

IO Diffuser Replacement Ceramic Membrane

From ¥99.00

4.7

In-Tank Bazooka Flux_ CO2 Diffuser for Planted Aquariums

In-Tank Bazooka Flux_ CO2 Diffuser for Planted Aquariums

In-Tank Bazooka Flux_ CO2 Diffuser for Planted Aquariums

From ¥213.00

4.7

CO2Art Inline CO2 Aquarium Atomizer Diffuser System

CO2Art Inline CO2 Aquarium Atomizer Diffuser System

CO2Art Inline CO2 Aquarium Atomizer Diffuser System

From ¥364.00

5.0

Set of 8 Suction Cups for CO2 Tubing and Glass Equipment

Set of 8 Suction Cups for CO2 Tubing and Glass Equipment

Set of 8 Suction Cups for CO2 Tubing and Glass Equipment

¥46.00

4.8

New Pro-Elite Series V2 Complete Aquarium CO2 System with New Inline CO2 Diffuser

New Pro-Elite Series V2 Complete Aquarium CO2 System with New Inline CO2 Diffuser

New Pro-Elite Series V2 Complete Aquarium CO2 System with New Inline CO2 Diffuser

From ¥2,651.00

4.7

Pro-SE Series Complete Aquarium CO2 System with in-tank Flux_ Diffuser

Pro-SE Series Complete Aquarium CO2 System with in-tank Flux_ Diffuser

Pro-SE Series Complete Aquarium CO2 System with in-tank Flux_ Diffuser

From ¥1,733.00

4.8

New Pro-Elite Series V2 Complete Aquarium CO2 System with in-tank Flux_ Diffuser

New Pro-Elite Series V2 Complete Aquarium CO2 System with in-tank Flux_ Diffuser

New Pro-Elite Series V2 Complete Aquarium CO2 System with in-tank Flux_ Diffuser

From ¥2,575.00

4.7

Pro-SE Series Complete Aquarium CO2 System with New Inline CO2 Diffuser

Pro-SE Series Complete Aquarium CO2 System with New Inline CO2 Diffuser

Pro-SE Series Complete Aquarium CO2 System with New Inline CO2 Diffuser

From ¥1,809.00

4.9

Replacement Ceramic Membrane for CO2Art Inline Atomizers

Replacement Ceramic Membrane for CO2Art Inline Atomizers

Replacement Ceramic Membrane for CO2Art Inline Atomizers

From ¥152.00

How to Clean a Clogged CO2 Diffuser in a Planted Aquarium

Blog

How to Clean a Clogged CO2 Diffuser in a Planted Aquarium

October 9, 2026

IO diffuser

Blog

Bad bubbles: why CO2 diffuser mist is not reaching your plants

October 22, 2026

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Lifetime technical support

Free online technical support on every product, for as long as you own it.

Free delivery over €200

Tracked FedEx delivery: 1–2 business days in Europe, 3–5 worldwide.

Up to 10-year warranty

10 years on Pro-Elite regulators, 2 years on everything else.

Rated 4.8/5 by aquascapers

Verified reviews on Stamped from 2,000+ customers in the EU store alone.

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CO2Art Technologies Limited

Suite 2, Cathedral Buildings
Middle Street, Galway
H91ERD1, Ireland

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