Evolution Aqua Airtech 75ltr

Oxygen drives everything in a healthy koi pond – from fish vitality to biological filtration. The Evolution Aqua Airtech 75 Litre air pump is designed to deliver steady, reliable airflow to support pond aeration systems.

Why choose the Airtech range?

• Designed for continuous pond aeration
• Suitable for koi ponds and filter systems
• Reliable diaphragm air pump technology
• Built for steady, consistent airflow

Strong aeration improves dissolved oxygen levels and supports active bio media, especially during warmer months when oxygen demand increases.

Ideal for

• Aerated bottom drains
• Moving bed filters
• Air stones and diffuser rings
• Medium to larger koi ponds

Match the pump output to your diffuser setup to avoid excess back pressure.

Installation notes

• Install above water level or use a non-return valve
• Keep the pump in a dry, well-ventilated location
• Use correctly sized airline to maintain airflow

Safety note

Always unplug the air pump before servicing. Protect from rain and moisture, and ensure electrical connections comply with UK safety standards.

Consistent aeration, healthier filtration and stronger koi performance.