CO₂ & Automation

Build healthier planted tanks with CO2 automation done right. This hub curates our guides and hands-on reviews covering pressurized CO2 kits, regulators, solenoids, timers, pH controllers, and diffusion hardware (inline/reactors). Learn how to size a system for your aquarium, dial in bubbles-per-second, and avoid common pitfalls like end-of-tank dumps or poor dissolution. Compare popular brands and configurations, see real-world pros/cons, and get maintenance and safety checklists you can actually follow. Whether you’re upgrading from DIY yeast, chasing red plants, or just want steadier growth with fewer algae swings, start here for clear explanations and practical buying advice—then dive into the detailed setup, troubleshooting, and product comparisons linked from this page.