Seachem Purigen

Seachem Purigen

  • Makes the water crystal-clear
  • Removes brown discolourations by tannins reliably
  • Can be regenerated uncountable times
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Purigen is a premium synthetic adsorbent that is unlike any other filtration product. 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 and capacity that exceeds all others by over 500%. Purigen® controls 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.


  • Polishes water to unparalleled clarity
  • reclaimable



Seachem is a renowned manufacturer of aquarium fertilisers and water conditioners. For over 40 years, hobbyists and professionals have benefited from the innovative products. A wide range of aids such as Seachem Purigen or Seachem Matrix ensure crystal-clear water in the aquascape. Biological water conditioners for the aquarium are also offered with products such as Seachem Stabilty are also offered.

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Customer reviews

This item has been rated 4.6 out of 5 stars
53 Reviews
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5 Stars(39)
4 Stars(8)
3 Stars(4)
2 Stars(1)
1 Star(1)
Perran T.
5th September 2012
Seachem - Purigen
Seachem - Purigen

Keeps the water clear.

Doesn't need replacing like filter wool.

Can be renewed with bleach, dechlorinator.

Riqaq W.
Fantastisch für einen Kanisterfilter
15th December 2018
Seachem - Purigen
Seachem - Purigen

Kann mir jemand eine Bleiche sagen, die in Deutschland gekauft werden kann, die erfolgreich zur Erneuerung des Purigen verwendet wurde, bitte?

Horváth M.
Not worked for me
28th October 2020
Seachem - Purigen
Seachem - Purigen

I have no problem with the Store! but the Purigen product itself has not worked for me at all! i also bought two pieces and never helped much with its water quality.. (read more)

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