Large High-Density 'Druchtin' CO2 Diffuser – Over 250L/55gal

The Castle Dawn Aquatics Large CO2 Diffuser is designed for high-capacity planted tanks over 250L / 55 gallons. This precision in-tank diffuser uses advanced nano CO₂ mist membrane technology to provide exceptional dissolution rates, ensuring your aquatic plants get the CO₂ they need efficiently and without waste.

Made with durable materials, it’s built for long-term use and easy maintenance. Unlike fragile glass diffusers, this robust acrylic body can handle cleaning and setup without risk of breakage. The ultra-fine mist it produces maximises CO₂ absorption, making it an excellent choice for both beginner and advanced aquascapers.

Key Features and Important Notes:

• What’s Included:
  – 1 × Large CO2 Diffuser Unit
  ⚠️ Tubing and CO₂ system not included.
• For Large Aquariums:
  Suitable for tanks over 250 litres – high-capacity precision design.
• Nano Mist Technology:
  Releases ultra-fine CO₂ bubbles for maximum absorption and low waste.
• Durable Construction:
  Built with strong, aquarium-safe materials for longevity and reliability.
• Easy Setup:
  Simple to install – just connect to your CO₂ regulator with 6mm tubing.
• Pressure Requirement:
  Recommended starting pressure: 2 bar. Allow a few minutes for flow.
• High CO₂ Saturation:
  Increases available CO₂ in the water column to support lush plant growth.
• Size:
  5.5 × 4 × 3.5 cm (H × L × W)
  2.17 × 1.57 × 1.38 inches
• Warranty:
  1‑Year Warranty (T&Cs apply).
• ⚠️ Warning: Due to its popularity, counterfeit versions made from non-aquatic safe materials are being sold on various low-cost apps like Temu. These imitations may clog, break easily, or release harmful substances that damage your aquarium.