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Seachem Purigen

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$12.99
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$12.99
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  • Absorbs Ammonia, Nitrite & Nitrate
  • Removes Tannins From Water
  • Improves Water Clarity

Purigen is a filter media designed to absorb organic waste such as ammonia, nitrites and nitrates at an incredible rate. When in use, it makes for a crystal clear water column. It is extremely helpful if being used to remove tannins as well. It is not known to remove aquatic fertilizers. Over time, Purigen will darken from white to brown so you can visually tell when it has been exhausted. Many hobbyists won't run a tank without it.

Customer Reviews

Based on 209 reviews
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C
Charles G. (Northridge, CA, US)
Purigen is a great way to keep your water clean!

Purigen is very different from carbon. It’s a synthetic polymer that effectively removes many types of impurities both from plants and fish.
It’s a great way to have clean water and it’s quite safe. I suggest it to have healthy fish and plants.
Purigen is a great value for the money.
This is the way to have crystal-clear water!

T
Todd P. (Sycamore, IL, US)
Purigen does the job!

These pre-dosed packs help keep water clear by removing impurities and work in a HOB filter with room nicely for easy changeout.

N
Nathan D. (Pittsburgh, PA, US)
Magic in a little bag

I had a shrimp tank so filled with tannis from some new driftwood that I couldn't even see inside. I tucked a bag of purigen in beside my sponge filter and by the evening I could see through the water for the first time in days. Two days later my water was once again sparkling clear. I couldn't be happier with the outcome

C
Cole Y. (Oceanside, CA, US)

Seachem Purigen

K
Kushan B. (Berkeley, CA, US)
Purchased for my canister filter

This stuff works great and makes my tank crystal clear. Just remember to rinse it first before adding to your filter or you'll end up with white cloudy water for at least a day.

D
Daniel B. (Glendale Heights, IL, US)
Filter medium that works

Good products that polish your tank water

T
T.K. (Secaucus, NJ, US)
Aquarium on “Easy Mode”?

I love this stuff. It feels like cheating, but who cares! Just make sure you mix it up when you clean your filter so you get even coverage on all the medium. It’ll last longer.

d
david t. (Dundalk, MD, US)
Crystal clear

Crystal Clear. It blows me away. And I’m no way some pro at this.

B
Brianna L. (Washington, DC, US)
Love Purigen

This completely changed my tank to a murky cloudy mess to a crystal clear scene.

R
Rhonda B. (Bolivar, TN, US)
Will buy again

Will buy again