External CO2 Diffuser for Planted Aquarium with 12 mm Aluminum Alloy

The Unique Design of this CO2 Diffuser Ensures Unobstructed Water Flow. Its Transparent Observation Window Allows for Direct Monitoring of the Diffusion Process.

This CO2 diffuser features a replaceable, high-quality diffuser disc that produces a fine Nano CO2 mist. Designed as a mini external diffuser, it occupies no space within the aquarium tank, maintaining a clean and tidy setup.

Available in multiple models (DC400-S-12, DC400-L-12, DC200-L, DC300-40, DC100, DC320), this CO2 diffuser has received positive customer reviews, with an average rating of 4.3 out of 5 stars across 59 reviews, 4.2 out of 5 stars across 189 reviews, 4.4 out of 5 stars across 212 reviews, 4.1 out of 5 stars across 271 reviews, and 4.3 out of 5 stars across 35 reviews.

Constructed from durable materials, the diffuser models are available in Aluminum alloy, Acrylic, 304 Stainless Steel, and Glass, ensuring long-lasting performance in aquarium CO2 systems. These diffusers require a minimum pressure of ≥1kg/cm² (14psi) or ≥3kg/cm² (43psi), depending on the model, and are compatible with 4/6mm (3/16" Inner Diameter) CO2 tubing, either PU or other suitable materials.

A key feature of these CO2 diffusers is the replaceable diffuser disc, allowing for easy maintenance and optimization of the CO2 dissolution process. Additionally, some models come with a built-in bubble counting function, providing visual feedback on the CO2 distribution.

Depending on the model, the CO2 diffusers are designed as either external or in-tank units. The external diffusers feature a 100% open flow design, ensuring unimpeded filter flow, and a transparent window for easy monitoring. These external models support both horizontal and vertical installation, allowing users to choose the optimal configuration for their aquarium setup.

To complement the CO2 diffusers, a range of additional accessories are available, including replacement diffuser discs (ASIN: B091DXVSHN), CO2 drop checkers, CO2 indicator solutions, CO2 tubing, inline bubble counters, and aquarium check valves.

Experienced aquarium enthusiasts have praised the high dissolution rate of these CO2 diffusers, indicating that they are more efficient and economical in CO2 usage compared to traditional in-tank diffusers. The unique design of these external diffusers ensures effective CO2 distribution throughout the aquarium while maintaining a clutter-free and visually appealing setup.

Whether you're setting up a new aquarium CO2 system or looking to upgrade your existing one, these versatile and high-performing CO2 diffusers offer a reliable solution to enhance plant growth and overall aquarium health.

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