The Sera CO₂ System is a complete and reliable solution for delivering precise amounts of carbon dioxide to planted aquariums, ensuring lush, healthy plant growth.Designed with ease of use and professional efficiency in mind, this system provides everything you need to start CO₂ fertilisation safely and effectively. By maintaining optimal CO₂ levels, aquatic plants can photosynthesise efficiently, leading to denser growth, richer colours, and reduced algae. Whether you’re a beginner or an advanced aquascaper, the Sera CO₂ System offers German-engineered precision and durability for long-term use. Key Features: Complete CO₂ fertilisation kit – includes all essential components for setup Designed to stabilise CO₂ supply for optimal plant growth and oxygen balance Accurate CO₂ regulation – ensures consistent bubble rate and safe dosing Easy to install and operate – suitable for beginners and advanced users High-quality Sera components ensure reliability and leak-free performance Compatible with standard aquarium CO₂ accessories and diffusers Suitable for freshwater planted aquariums of various sizes Included Components (typical model): CO₂ cylinder or refillable cartridge (depending on variant) Pressure regulator CO₂ tubing Diffuser or reactor Non-return valve Bubble counter Mounting accessories Usage Tips: Always position the CO₂ diffuser near water flow for even gas distribution. Start with a low bubble rate and adjust gradually while monitoring plant response. Check regularly for leaks and ensure the regulator pressure remains stable. Replace cartridges or refill cylinders as required.