For reefers who have water treated with chlorine or relatively clean well water, the BRS 4 Stage Systems are an excellent choice. These systems come self-contained on a single bracket, making them perfect for areas with limited space or where a non-permanent connection may be required. Installation of an RO/DI system is simple and quick, taking only a few minutes without any permanent modifications to your home or plumbing, the 4 stage system includes a sediment filter, a carbon block filter, a membrane, and a DI resin cartridge. Each filter is designed to remove specific impurities, providing high-quality water for your aquarium. The system is suitable for reefers who do not require additional stages of filtration and have a relatively clean water source. The 4 Stage Systems are some of the most popular systems on the market due to their easy installation and self-contained design.
4 Stage Plus RO/DI Features: