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The Amtra CO₂ Diffuser Spiral Glass is an elegant, high-efficiency diffuser designed to maximise CO₂ absorption in planted aquariums.
Its unique spiral glass design allows CO₂ bubbles to travel a longer path before reaching the water surface, ensuring maximum contact time and superior diffusion efficiency.
Made from laboratory-grade borosilicate glass, it combines durability, functionality, and visual appeal — blending beautifully into any aquascape while delivering reliable CO₂ performance.
Ideal for aquascapers who appreciate both style and precision, this diffuser helps create lush, vibrant plant growth by ensuring every bubble counts.
Key Features:
Spiral glass design – extends CO₂ contact time for better gas dissolution
High-quality borosilicate glass – clear, durable, and easy to clean
Fine ceramic disc – produces ultra-fine bubbles for efficient diffusion
Compact and aesthetic – visually stunning addition to planted aquariums
Compatible with standard 4/6 mm CO₂ tubing
Suitable for pressurised CO₂ systems
Easy to install and maintain
Usage Tips:
Soak the diffuser in water for 1–2 hours before first use to activate the ceramic disc.
Place it near water flow (such as filter outflow) to spread CO₂ evenly throughout the tank.
Recommended working pressure: around 2 bar (30 psi) for best performance.
Clean the ceramic disc periodically using a mild bleach or citric acid solution.
