Seachem Purigen 100ml

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Seachem Purigen for Freshwater & Saltwater Purigen is a premium synthetic adsorbent that is unlike any other filtration product. It controls ammonia, nitrites and nitrates by remov ing nitrogenous organic waste that would otherwise release these harmful compounds. Purigen’s impact on trace elements is minimal. It significantly raises redox. It polishes water to unparalleled clarity. Purigen darkens progressively as it exhausts, and is easily renewed by treating with bleach. It is designed for both marine and freshwater use. Purigen can also be regenerated. As it adsorbs waste products, it will change color from a pale blonde to a dark brown, almost black. Once it is exhausted, it can be regenerated with a solution of bleach and water. The bleach will literally 'burn off' the organics that have been removed from the tank. Show more