Choosing the best pool filter sand ensures optimal water clarity and efficient filtration. High-purity silica, zeolite, and glass are top options, with benefits tailored to different pool needs. Always follow manufacturer advice for sand type, size, and maintenance.

This comprehensive guide reveals why play sand is never suitable for pool filter use, outlining the risks to water clarity, equipment, and maintenance. Learn the vital differences between play sand and pool filter sand, plus best filtration practices to ensure a clean, healthy pool.