Discover how using CO₂ in a planted aquarium can boost plant growth, enhance colours, and create a thriving underwater ecosystem. Learn the best methods, tips, and equipment to safely and effectively enrich your aquatic plants, ensuring a lush, healthy tank for both beginners and experienced aquarists. From dosing techniques to choosing the right diffuser, we cover everything you need. Explore expert advice to balance CO₂ levels and keep your fish and plants happy.