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Fluval BIO-CO2 Pro Diffuser Replacement for 125L Aquarium

(3 customer reviews)

Original price was: $19.24.Current price is: $10.88.

Fine-pore ceramic diffuser improves CO2 dissolution for better plant growth in planted tanks.

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Fluval Replacement Diffuser Part for BIO-CO2 Pro 125L Aquarium Diffuser

The Fluval CO2 Ceramic Diffuser (Mini 20) is a small, precision-designed component for Fluval’s Bio CO2 kit and compatible DIY CO2 systems.

Equipped with a fine-pore ceramic disk, this diffuser breaks down carbon dioxide into ultra-fine bubbles, enhancing its dissolution in aquarium water. This improves CO2 availability for aquatic plants, supporting healthier growth and plant vigor.

The diffuser features suction cups for secure, easy placement directly in the tank, ensuring even CO2 distribution throughout the planted environment.

Specifications

Feature Detail
Material Ceramic disk
Compatibility Fluval Bio CO2 kit and similar DIY CO2 systems
Design Mini 20 model
Installation Suction cup attachment

FAQ

Is this diffuser compatible with all Fluval CO<sub>2</sub> systems?

This diffuser is specifically designed for Fluval’s Bio CO<sub>2</sub> kit and similar DIY CO<sub>2</sub> systems. Compatibility may vary with non-Fluval models.

How does the ceramic disk improve CO<sub>2</sub> performance?

The fine-pore ceramic disk produces ultra-fine bubbles, which dissolve more efficiently in water, increasing CO<sub>2</sub> availability for plant uptake.

Can I install this diffuser without tools?

Yes, the suction cup design allows for tool-free installation and easy placement in the aquarium.

3 reviews for Fluval BIO-CO2 Pro Diffuser Replacement for 125L Aquarium

  1. Sebastian Abraham –

    The diffuser works well with my Bio CO2 Pro system. The bubbles are very fine and plants show better growth after a few weeks. Easy to install and stays in place with the suction cups.

  2. Alan Howard –

    I replaced the original diffuser and noticed a more consistent CO2 release. The ceramic disk seems durable and the bubbles are evenly distributed in the tank.

  3. Jacob Payne –

    Great replacement part. Fits perfectly with my 125L tank. Plants are growing stronger and the water chemistry feels more stable now.

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