The AquaFX Barracuda Glacial RO/DI System is a premium 4-stage water purification unit designed for saltwater reef enthusiasts. It produces 0 TDS, ultra-pure, laboratory-grade water by removing harmful impurities like chlorine, chloramines, and phosphates, ensuring optimal conditions for your aquarium's top-off and makeup water. This system boasts a heavy-duty aluminum bracket and quick-disconnect fittings for easy setup and maintenance. It includes a dual-TDS meter with a backlit display, an automatic shut-off kit, and a manual flush kit for enhanced functionality. The 4-stage filtration process features an AquaFX Premium 1-micron Sediment Filter, an AquaFX Chlorine Guzzler Carbon Block Pre-filter specifically for chloramine, and an AquaFX TFC RO Membrane, all hand-built in the USA. Ideal for residential reef keepers, from weekend hobbyists to professional service companies, this RO/DI system is engineered to meet the specific needs of sensitive reef environments. Its ability to produce zero TDS water, remove chloramines, and offer various flow rates makes it a top choice for anyone serious about water quality, ensuring a healthy and thriving reef tank.