High-Performance Air Stones – Fine Bubble Aeration
Professional Aeration for Ponds, Aquaculture & Specialist Applications
 
These premium grey/blue air stones are manufactured using a high-temperature sintering process (1,300 °C) and hardened with an aluminium alloy, resulting in exceptional durability and consistent, fine-bubble output. Designed for demanding environments, they deliver efficient oxygen transfer while resisting corrosion and impact.
 
Why These Air Stones Perform Better
Very fine bubble diffusion – maximises oxygen transfer efficiency
Highly porous structure – even air distribution across the stone
High-temperature fired (1,300 °C) – stable, long service life
Corrosion-free & shock-resistant – suitable for harsh conditions
Built for continuous operation where reliability matters.
Broad Application Compatibility
 
Suitable for use with:
Air and oxygen
Freshwater & seawater
Ozone systems
 
Common applications include:
Ponds and koi systems
Aquaculture tanks
Ozone generators
Medical and technical aeration setups
 
Available Sizes & Formats
50 × 300 ml (cylindrical)
50 × 200 ml (cylindrical)
30 × 130 ml (cylindrical)
50 ml round
Multiple sizes allow correct matching to air pump output and installation requirements.
 
Installation Notes
Pair with a quality air pump sized appropriately for the stone volume
Best performance achieved with steady airflow rather than excessive pressure
Suitable for bottom drain aeration, bio chambers, and general oxygenation
 
Bottom Line
These high-quality aluminium-alloy air stones provide dependable, fine-bubble aeration across a wide range of pond, aquaculture, and specialist applications. Durable, corrosion-resistant, and available in multiple sizes, they are a professional-grade choice for efficient, long-term oxygen delivery.