The AquaFX 50 GPD RO Membrane is a high-performance reverse osmosis membrane engineered to deliver exceptionally pure water for your saltwater aquarium. This critical component efficiently removes impurities, silicates, and dissolved solids from your tap water, capable of producing up to 50 gallons of purified water every 24 hours, making it ideal for mixing saltwater, topping off evaporated water, and preparing solutions. Boasting an impressive 98.6% stabilized salt rejection rate, this membrane ensures your water is free from unwanted contaminants that can be detrimental to sensitive corals and fish. It operates effectively across a wide pH range from 2 to 12, with short-term tolerance down to a pH of 1, and can withstand maximum temperatures up to 110 degrees Fahrenheit. Designed to fit any standard residential membrane housing, it offers a convenient upgrade or replacement option. This RO membrane is an excellent choice for reef tank hobbyists committed to providing reliable, high-quality water for their aquatic environments. It is perfectly suited for those looking to enhance an existing RO/DI system or construct a new one, thereby ensuring a stable and healthy ecosystem. By consistently supplying pure water, it actively helps prevent algae outbreaks, maintain critical water parameters, and supports the vibrant health and growth of all marine life.