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Seachem Purigen
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Product Description:
Seachem PurigenPurigen 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, even HyperSorb, by over 500%. Purigen controls ammonia, nitrites, and nitrates by removing nitrogenous 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. Like HyperSorb, Purigen darkens progressively as it exhausts, and is easily renewed by treating with household bleach. A 100 mL bag of Purigen purifies and polishes up to 100 gallons of water for up to six months. Purigen is designed for both marine and freshwater use.
Product Specifications:
100 mL, 250 mL, 500 mL, 1 L, 2 L, 4 L
Sponsor's Website:
User Ratings: (11 reviews)
Overall: 9.27
Value/Cost: 9.09
Effectiveness: 9.91
Quality: 9.82
Ease of use: 8.27
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Found: 11 reviews Page  
Ainevar has used this product for 1-3 Years.
Overall Rating: 10/10 September 28, 2013
"A must have media for a populated tank"
This media is truly amazing stuff. It effectively keeps ammonia, nitrites, and nitrates levels in check. Not to mention the clarity of the tank water while using it is pretty amazing. They sell it conveniently packaged in a bag specially designed for how small the particles are and if you but it in loose in the jar, be sure to buy SeaChem's "The Bag". It is a reusable mesh bag that is to be used in conjunction with the loose form of Purigen (or any other loose media of your choosing).
watercrawl has used this product for 0-1 Month.
Overall Rating: 9.5/10 November 18, 2010
"Simply amazing!"
I added 500ml of this to my wet/dry filter and this in combination with finer filter pad dramatically changed the clarity of the water in my tank in less than 12 hours. As others have stated, get a fine, fine mesh bag as this stuff is extremely tiny.
RDTigger has used this product for 3-12 Months.
Overall Rating: 10/10 April 15, 2010
"#1 choice for water clarity and purity"
SeaChem makes some of the best quality and useful products. Each of there products has dual purposes in the aquarium. This is no different, pulling out the organic grabage that builds up in the water column while leaving the beneficial nutrients that your aqaurium needs.
This has been running in my QT with countless fish and have witnessed pristine water quality and nothing but happy fish.. A+ again SeaChem
~Fish Guy~ has used this product for 1-3 Months.
Overall Rating: 9.25/10 February 25, 2010
"Best Rechargable Chemical Filter Media Around"
This stuff is a miracle worker. It clears cloudy water, removes Ammonia, Nitrite, and Nitrate. And the best part is that its Rechargeable! I will never go back to carbon/Zeolite. Make sure you buy mesh bags that are fine enough or the purigen won't stay in them. Great Product!
Cento has used this product for .
Overall Rating: 9.25/10 January 27, 2010
"Fastest way to Crystal clear water!"
This product is amazing. It almost seems too good to be true. But the water doesn't lie. Absolute, crystal clear, colourless, water. They should use this in residential water purification applications. I've never seen a product perform like this. And, unlike carbon, its reusable! Which makes it even more worth every penny.

The only thing I would say is, buy the Seachem bag which is 180 micron mesh. You need a bag that fine, because this product is very fine. Every media bag I found is not fine enough, and the stuff falls through sometimes. Recharging the product isn't difficult, but a little time consuming. Still, worth the effort to make your money last.

I would definitely recommend this product for water polishing.
bou has used this product for 0-1 Month.
Overall Rating: 8.5/10 October 28, 2008
"crystal water!!!"
crystal water!!! i try this product and after only one week i see the result on all my tank i use it... you really need a bag for this product because it's small like salt grain...
i don't know for the moment if it's hard to recharge...

Semper has used this product for 1-3 Months.
Overall Rating: 9.25/10 March 4, 2006
"Simply Amazing"
Started using purigen when I found out it was like a carbon but rechargable. Man, this stuff really does the trick when it comes to water polishing. Only thing that could possbily make it better would be the size of granules, they are extremely tiny, its a must to get, "the bag" to use the stuff which is the only reason I didn't give it a 10.

What more could you ask for? Crystal clear water, and a re-usable media thats similar to carbon. As for water polishing quality, it's amazing. Have a cloudy tank? Try this before anything else. Deffinately a must have from now on for aquariums I own.
[email protected] has used this product for 3-12 Months.
Overall Rating: 10/10 October 26, 2005
"Seachem does it again"
I started using this instead of carbon a few months ago and what and difference!!! It does a fantastic job a polishing the water and unlike carbon, can be regenerated many times. I get the kind that comes in the pouch and put it in my AC's and Fluval. I'll never go back to regular carbon again.
gherlevi has used this product for 1-3 Months.
Overall Rating: 7.25/10 July 3, 2005
"Effective, and Unusual"
I have Purigen running in a small 2nd power filter, specifically for the chemical filtration. It keeps the water very clear! However, the white beads are very small, and they restrict water flow through the filter. I use the loose Purigen in a media bag, and the result is very dense. Though you can "recharge" Purigen, I've not tried it. Too much hassle, though it is certainly a way to extend its value.
brutus8 has used this product for 3 Years or More.
Overall Rating: 9.5/10 March 14, 2010
"Works great!"
I use one pouch which is good for 100 gal in a aquaclear instead of carbon. My nitrates went down, my water is crystal clear, and my fish couldnt be happier.
Agent Smith has used this product for 1-3 Months.
Overall Rating: 9.5/10 March 31, 2004
"exalent for water polishing"
this and seachem renew are the only chemical media i use regularly. although its expensive intialy, it can be regerated somewhat easily.
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