Choosing the right pool pump size for a 10,000-gallon pool is essential for efficient water circulation and energy savings. Pumps between 0.5 and 1.5 HP typically meet the flow requirements, with variable speed pumps providing the best balance of performance and cost efficiency. Proper plumbing and filter compatibility are crucial to avoid system damage. Accurate pool volume and flow rate calculations ensure your pool remains clean, safe, and economical to maintain.