Keep your pool crystal clear all summer long with Preferred Pool Filter Sand, a high-performance filtration media crafted for residential and commercial sand filter systems. This 50 lb bag of eco-friendly, 100% natural quartz sand is precisely washed, dried, and graded to ensure exceptional clarity in your pool water. With an industry-leading low Uniformity Coefficient of 1.3 and specific gravity of 2.65, Preferred Pool Filter Sand efficiently traps fine particles such as dust, dirt, leaves, and oils without clumping or channeling—ensuring optimal filter performance and easy backwashing. Certified under NSF/ANSI 61 standards for drinking water safety and tested to AWWA and ASTM standards, it’s the professional’s choice for reliable pool maintenance. Unlike lower-grade media, our Preferred filter sand will not cloud water and is virtually dust-free with a turbidity range of just 5–15 NTU. Ideal for all major sand filter brands, this non-chemical, river-washed sand helps maintain a healthier, cleaner swimming experience for the whole family. 50 lb heat-sealed bag for easy storage and use Compatible with all major pool sand filters Free of chemical additives – safe and natural Does not solidify or clog, ensuring consistent water flow Meets or exceeds AWWA B100 and ASTM C136 standards Upgrade to Preferred Pool Filter Sand and experience the difference in performance, purity, and poolside satisfaction.