Water Treatment Solutions Blog

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What is Chitosan-Enhanced Sand Filtration?

At Washington Stormwater, we use chitosan-enhanced sand filtration (CESF) units daily to filter water effectively and compliantly on construction sites across Washington. However, if you’ve never heard of CESF units before, you may be wondering: what are these filtration systems, and how do they work? We’ve created this guide to help you learn everything you…

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