UNS CO2 Diffuser

The UNS CO₂ Diffuser is designed for aquascapers who want clean visuals and reliable performance, because no one wants a bulky piece of plastic distracting from a carefully crafted layout. Instead of letting large CO₂ bubbles shoot straight to the surface and disappear, this diffuser breaks them down into a fine, swirling mist that plants can absorb far more efficiently. It’s sleek, durable, and tucks neatly into the background, allowing your aquascape to stay the star of the show while still delivering the CO₂ your plants depend on.

Key Features & Benefits

• The specialized white ceramic disc breaks gas into an exceptionally fine mist, allowing plants to absorb CO₂ far more efficiently before it escapes to the surface.
• Its tough polycarbonate construction means you won’t have to worry about cracking or snapping a delicate glass diffuser during routine maintenance.
• Smooth edges and a minimalist profile let it sit neatly against the glass without pulling attention away from your aquascape.
• The included U‑clip keeps your tubing guided cleanly over the rim, preventing twists, kinks, and visual clutter.

Product Specifications

• Material: Durable Polycarbonate (PC)
• Disc Material: High-quality ceramic
• Rim Compatibility: U-Clip fits tank rims up to 12mm
• Bubble Type: Micro-diffusion mist

Technical Specifications 

What’s in the Box?

• 1x White Ceramic Disc CO2 Diffuser
• 2x Suction Cups
• 1x U-Clip (fits up to 12MM rim)

Team Buce Plant Tips

Fine-tuning your CO₂ setup can seem intimidating at first, but the process is far simpler than it appears. For a safe and reliable introduction, refer to our guide on How to Add CO₂ to Your Planted Aquarium. And if you’re curious about the science behind why CO₂ makes your buce, stems, and carpets thrive, explore The Mysteries of CO₂ in a Planted Tank Explained for a clear breakdown.