💦 Test Today, Drink Tomorrow! Your water's clarity is just a kit away! Manufactured in ISO-certified facilities with over 40 years of expertise. Includes ASTM guidelines for accurate silt density measurement. All-in-one kit for immediate water quality assessment. Get results in just 20 minutes with simple instructions. Safeguard your reverse osmosis system from silt damage. Instant Results Pro-Level Testing Portable Design The Applied Membranes Inc. Silt Density Index Water-Testing Kit is a portable solution designed for on-site water quality testing. It includes two SDI test filters and comprehensive instructions, allowing users to quickly assess silt levels and protect their reverse osmosis systems from potential damage. With a focus on clean water, this kit is manufactured in the USA and backed by over 40 years of industry experience.