Seachem Laboratories Pollen Style CO2 Spiral Bubble Counting Diffuser
The Seachem Laboratories Spiral Bubble Counting Diffuser is an innovative pollen-style CO2 diffuser designed for seamless integration with CO2 injection systems in planted aquariums. It efficiently disperses CO2 gas into the water, promoting healthy plant growth. Featuring an integrated spiral bubble counter, it simplifies the process of tracking CO2 injection rates, eliminating the need for a separate bubble counter on the tank or in-line. This diffuser comes with a 30 mm disc for optimal performance.
Product Specifications
| Feature | Detail |
|---|---|
| Diffuser Type | Pollen-style CO2 diffuser |
| Disc Diameter | 30 mm |
| Bubble Counter | Integrated spiral bubble counter |
| Application | Planted aquariums with CO2 injection systems |
FAQ
How does the spiral bubble counter work?
The spiral bubble counter is built into the diffuser and allows users to visually track the number of CO2 bubbles produced per minute, providing a simple way to monitor injection rates without needing an external counter.
Is the 30 mm disc compatible with all CO2 injectors?
The 30 mm disc is designed to work with standard CO2 injection systems. Compatibility may vary depending on the specific injector model, so it is recommended to check the manufacturer’s specifications.
Can this diffuser be used in both freshwater and saltwater tanks?
This diffuser is specifically designed for freshwater planted aquariums and is not recommended for saltwater environments.

Steven Arnold –
The diffuser works smoothly with my CO2 system. The built-in bubble counter makes it easy to monitor CO2 flow without having to count bubbles manually. The 30 mm disc fits perfectly and the water flow is even, which helps my plants grow better.
Dan Greene –
I appreciate the design—clean and efficient. The spiral counter is accurate and helps me maintain consistent CO2 levels. It’s a small but useful upgrade to my aquarium setup.
Ruth Wright –
After switching to this diffuser, I noticed more vibrant plant growth. The bubble counting feature saves time and reduces guesswork when adjusting CO2 rates.