The Castle Dawn Aquatics Inline CO2 Diffuser offers a professional-grade solution for optimising CO₂ delivery in planted aquariums. Using nano mist membrane technology, it produces ultra-fine bubbles for maximum saturation, improving CO₂ absorption and enhancing plant growth. Mounted inline to your filter hose, it keeps equipment out of sight for a cleaner aquarium aesthetic. Crafted with a durable metal body and clear acrylic bubble counter, this diffuser includes a replaceable ceramic disc, a built-in check valve, and an anti-lock mechanism to ensure safe, consistent performance. Designed for 12/16mm (1/2” or 5/8”) hoses, it requires a pressurised CO₂ system with a working pressure of at least 30 psi. Key Features and Important Notes: What’s Included:– 1 × Inline CO2 Diffuser with Bubble Counter⚠️ Tubing and CO₂ system not included. Nano Mist Technology:Special membrane produces microbubbles that dissolve quickly into the water. Professional Performance:Requires minimum 30 psi working pressure for effective diffusion. Replaceable Disc:Ceramic membrane can be replaced for long-term use and fine mist output. Durable Construction:Crack-resistant metal body and acrylic bubble counter built for reliability. External Mounting:Reduces algae growth on the disc and keeps equipment out of your display tank. Built-in Features:Includes a check valve and bubble counter to simplify CO₂ management. Hose Compatibility:Fits standard 1/2” (12mm) and 5/8” (16mm) filter tubing. Size:12 × 6.5 × 2.5 cm (H × L × W)4.72 × 2.56 × 0.98 inches Warranty:1‑Year Warranty (T&Cs apply) ⚠️ Important Notes:– Only use with CO₂ pressure-rated tubing (not silicone).– Bubble counter must be filled with water, not oil-based fluids.– Minimum pressure: 30 psi.– Not suitable for low-pressure DIY CO₂ systems. ⚠️ Warning: Beware of cheap CO₂ accessories sold on major e-commerce platforms. Many lack proper build quality and can pose risks. Check our blog for more on manufacturing differences in aquarium gear.
