MemQ 200 is a highly effective liquid antiscalant and dispersant formulated specifically for challenging reverse osmosis and nanofiltration applications where sulfate based scales are prevalent. This synergistic blend is highly effective against both colloidal foulants and problematic scale formers such as sulfates, cabonates, and metal hydroxides. MemQ 200 was designed to allow for increased recoveries and improved operation on challenging feedstreams and applications. MemQ 200 is a high performance product suitable for a wide range of applications and industries including well water, mining, seawater desalination, pretreated wastewater, produced water, digestate, semiconductor, food and beverage, power, and oil and gas.