pool sand filters
Pool sand filters represent a time-tested and highly efficient filtration system for swimming pools, utilizing the natural filtering properties of sand to remove debris and contaminants. These systems work through a straightforward yet effective process where water from the pool is pushed through layers of specially graded sand. As water flows through the sand bed, particles as small as 20-40 microns are trapped, resulting in crystal-clear pool water. The filter operates on a multi-port valve system that controls various functions including filtration, backwashing, and rinse cycles. Modern pool sand filters feature durable tank construction, typically made from weather-resistant materials like fiberglass or polyethylene, ensuring long-term reliability. They come in various sizes, measured in square feet of filter area, to accommodate different pool volumes and flow rates. The filtration process is continuous, with water entering through the top, passing through the sand media, and returning to the pool through the bottom collection system. These systems require minimal maintenance, typically needing only occasional backwashing to remove accumulated debris and complete sand replacement every 5-7 years.
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