Seachem Purigen


In stock

  • Highest organic removal capacity due to its surface area
  • Helps control ammonia/nitrite/nitrate
  • Color changes as it exhausts; easily regenerated


Purigen® is a synthetic adsorbent that is unlike other filtration products. It is not a mixture of ion exchangers or adsorbents, but a unique macro-porous synthetic polymer that removes soluble and insoluble impurities from water at a rate that exceeds other competing products by over 500%. Purigen®works to control ammonia, nitrites and nitrates by removing 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. Purigen® is designed for both marine and freshwater use.

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Size Chart

Available in 100ml, 250ml, and 500ml