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Filters, Heaters & Lighting for sizing, PAR, flow and reliability;
CO₂ & Automation for regulators, diffusers, solenoids and pH control;
Comparisons & Buying Guides for side-by-side picks by tank size and budget; and
Substrates & Fertilisers for soil vs inert options, root tabs, and dosing approaches.
Use this page as your starting point, then dive into detailed roundups and hands-on reviews.