The AquaFX 100 GPD RO Membrane is a critical component for any saltwater reef aquarium RO/DI system, designed to produce high-purity water essential for a thriving marine environment. This advanced TFC (Thin Film Composite) membrane is specifically engineered for superior performance, effectively filtering tap water to remove impurities and harmful contaminants. It boasts an impressive production rate of 100 gallons per day, ensuring a consistent supply of clean water for your aquarium needs. This high-quality membrane features an outstanding 98.6% stabilized salt rejection rate, ensuring nearly all dissolved solids are removed from your source water. It is also uniquely formulated for high silicate rejection, addressing a common concern for reef aquarists. The membrane operates effectively within a broad pH range of 2 to 12, tolerating a short-term pH of 1, and can handle temperatures up to 110 degrees F. Designed to fit any standard residential membrane housing, it offers an easy upgrade path for existing RO systems. Please note, this membrane is non-chlorine tolerant. The AquaFX 100 GPD RO Membrane is ideal for serious reef aquarists and hobbyists who demand the highest quality water for their sensitive marine inhabitants. It is perfect for those looking to replace an old, inefficient membrane or upgrade their current RO system to achieve superior water purity, especially for combating silicate issues which can contribute to undesirable algae growth. By providing consistently pure water, this membrane helps maintain stable water parameters, promoting the health and vibrancy of your corals, fish, and other aquatic life.