The Chemi-pure Blue Nano Pouch is an advanced, all-in-one filter media specifically formulated for reef and marine aquariums. It comes in conveniently sized 2 by 2 inch nylon packets designed to maintain crystal-clear aquarium water by significantly reducing organic compounds and phosphates while raising redox and helping stabilize pH. This proprietary blend combines premium, low-dust pelleted carbon and high-capacity ion-exchange resins. Each pouch contains five individual 22 gram packets, totaling 110 grams, with each packet treating up to 5 gallons of water. Packaged wet in a resealable pouch, Chemi-pure Blue Nano provides benefits such as consistent pH stability, reduced fish loss, elimination of osmotic shock, increased fish lifespan, and the removal of coppers, metals, odors, and phenol. These nano packets are ideal for small desktop or nano aquariums, offering the ultimate in customizable filtration. They can also effectively supplement existing media in larger aquariums, allowing aquarists to easily maintain optimal water quality and clarity. This product is best for hobbyists seeking a high-performance, easy-to-use solution for enhancing their aquarium's health and aesthetic appeal.