The Bulk Reef Supply 6 Stage Deluxe Plus 200 GPD Water Saver RO/DI System is a comprehensive filtration unit designed to produce ultra-pure water for all types of aquariums. This advanced system effectively removes up to 200 gallons of total dissolved solids (TDS) daily, ensuring your aquatic environment receives only the highest quality water free from impurities. It is engineered to handle various water sources, including city water with high levels of chlorine and chloramines, as well as well water, polishing it down to 0 TDS. This 6-stage system features a Zplex sediment filter, two Chloramines/Universal carbon blocks, an RO membrane, and two color-changing mixed-bed DI resin stages for robust filtration. It boasts a water-saving 1.5:1 waste to product water ratio, making it an efficient choice. Included upgrades enhance usability, such as the pre-installed HM Digital Inline Dual TDS Meter for instant purity readings before and after deionization, and a Glycerin Filled Pressure Gauge to monitor system performance. Installation is quick and leak-free thanks to Mur-lok push-connect fittings, and it comes with a flush kit, multiple water supply connections, and 10 feet of tubing for convenience. The BRS 6 Stage Deluxe Plus 200 GPD Water Saver RO/DI System is an ideal solution for serious saltwater and freshwater aquarium hobbyists seeking a reliable and high-capacity source of pure water. Its advanced filtration stages and dual DI resin ensure consistent 0 TDS water, crucial for the health of sensitive reef inhabitants and the prevention of algae issues. With its included monitoring tools and efficient design, this system empowers users to easily maintain pristine water quality, making it a cornerstone for a thriving aquarium.