4.94.9 out of 5 stars
177 product ratings

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Would recommend97% agree

Good value98% agree

Good quality98% agree

123 reviews

by

Seems to keep nitrates down longer.

I use this in my 75 gallon Discus tank with very good results. Some goes in canister filter and one goes in a small 10 gallon type submersible filter for easy exchanges. Nitrate level stays down longer.Read full review...

Verified purchase:  Yes | Condition: new | Sold by: retek71

by

Seachem's Purigen! for a Crystal Clear Aquarium

I recommend this Excellent product, Purigen, for anyone who wants super clear Aquarium Water!!!
The Added Bonus to this Product, is that, it can be regenerated for reuse, not just a one time use!!!

Verified purchase:  Yes | Condition: new | Sold by: p.etcetra

by

awesome item buy

awesome items,great brand name,worth the money,great pkging,no damage,use again,thank u,e bay,price,,WOW SEACHEM PRODUCT

Verified purchase:  Yes | Condition: new | Sold by: amazing_fulfill...

by

YOU NEED THIS!!!

If you're running a tank and you have any type of HOB (Hang On Back) or Canister type of power filter, then you should have this somewhere in that system! Period! Point! Blank! This stuff flat out works! And the fact that you can just recharge/replenish it yourself with a little bleach (instructions explain how to do it and it's quick and easy) then use it again and again, it's perfect! I have 1 for every tank in my home except for 1 and that's my fry tank that only runs a sponge filter.Read full review...

Verified purchase:  Yes | Condition: new | Sold by: saltwateraq

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Awesomeness!

This is the best hands down filter additive I have ever used. Within two days my aquarium is crystal clear. Fish seam more active and colors are better. Plants are looking healthier and I am very pleased with my results and it is renewable so conceivably just a one time purchase. Love it.Read full review...

Verified purchase:  Yes | Condition: new | Sold by: premiumaq

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Wow!

I have a freshwater community tank that's been a little cloudier than I, and my fish, like lately. There is 1 dwarf gourami, about 14 male hybrid guppies (they're beautiful but I need to get rid of at least 10), 1 tropical male guppy, 2 weather loaches, 2 ghost catfish, 1 adult sunset Molly, 3 baby molly, 3 ghost shrimp and a panther crab. The plants I added didn't help (hornwort). Anyway I've been running Purigen with a brand new Marineland Penguin 150 filter with stock filter insert and I must say, my aquarium water is CRYSTAL CLEAR AGAIN! It's even more clear than when I first started my tank a few months ago. I will definitely buy again! 24 hours after running product, the water had a powdered look to it, (sorta like how ur vision looks after a day of opening ur eyes in a chlorinated pool). The day after that, I noticed this GLOW to my water. It was pretty heavenly. I thought that was the final result and Then day 3 (today) it just looks like brand new glass and flying fish! I'm so happy I came across this product! I definitely recommend!Read full review...

Verified purchase:  Yes | Condition: new | Sold by: thehoneyroasted...

by

Great value!

This is a great deal on an excellent Seachem product. It's good to have one that's in the filter, and then when it's time to recharge that one, the other one can go straight into the filter so you don't have to worry about ammonia/nitrite/nitrate buildup.Read full review...

Verified purchase:  Yes | Condition: new | Sold by: simple_fullfill...

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Great addition to Seachems HOB filters!

I bought this to add to the media layers in my hob filter.
The bag is a little small in size but is a super tough plastic.
The product is reusable after treating it with bleach and rinsing thouroughly.
I would recommend buying two so you can put one in service while you are bleaching the other one.
The beads turn color as they run out of service to indicate its time to clean them.
All Seachem products are excellent quality.Read full review...

Verified purchase:  Yes | Condition: new | Sold by: saltwateraq

by

The absolute BEST

I had just recently discovered purigen and found that it has been the most legit thing ever. I've only ever used carbon before, and after discovering this, I would never go back. It is reusable and is far better and greater than carbon. Seachem has definitely outdone themselves. Read full review...

Verified purchase:  Yes | Condition: new | Sold by: premiumaq

by

First time using

I have a reef tank. So far the only thing i notice is the protein skimmer foam has changed color so that means its wotking great. Less smelly. So it truly works. And its only been in thw tank 4 hours. Will see over time.Read full review...

Verified purchase:  Yes | Condition: new | Sold by: reef-shop

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