Keg King CO2 Cylinders provide a reliable and consistent source of compressed carbon dioxide ideal for aquarium CO2 injection systems, ensuring stable delivery for planted tanks that require precise carbon supplementation. Built to Australian safety standards, these durable steel cylinders are refillable and designed for long-term use, offering dependable performance for both beginner and advanced aquascapers. Their steady pressure output supports healthy plant growth, improved photosynthesis, and enhanced colour development, helping to create lush and vibrant aquascapes. Keg King CO2 Cylinders are easy to connect with standard regulators and fittings, making them a practical and efficient choice for maintaining a thriving planted aquarium environment.