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Seachem Purigen for Freshwater & Saltwater
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- Unique synthetic polymer
- Controls ammonia, nitrites, and nitrates
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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 other competing products 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.
Size: 100 MILLILITER
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DirectionsRinse before use. Use in a fine mesh (180 micron or less) filter bag such as Seachem’s The Bag™. Each 250 mL treats up to 1,000 L (250 US gallons) for up to six months. Exhaustion is indicated by a pronounced discoloration of the beads to dark brown or black.
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Water changes didn't do much good (personally) for me with the tannins. The water remained that yucky dark yellow/tea color. As soon as I added the Purigen packs (I tried one and it helped a little, I figured what the heck and put three in my canister) to my ehiem canister filter the water cleared right up and my fish and plants are now thriving.
I had been holding off on adding another piece of Mopani to my tank after the tannins had gotten out of control from the first piece. After the water became clear I decided--what the heck/why not-- and placed my other pre-soaked piece into my tank. It's getting a bit cloudy again from the new piece but no where near as bad as it was with just the one piece of wood without the Purigen.
I'm going to attempt to clean/recharge the Purigen via the instructions. I'll update if it's still as effective after cleaning. If it's not as effective ill purchase a few more of these packets, because they are miracle workers. You would think that a product this great would be outrageously priced..I sure am glad that it fits my budget.
I posted side by side pics of my before and after Purigen below. The post/clear pics are three days after the Purigen was in my filter doing its thing. You can clearly see the drastic difference.
It took a while for me to believe the stuff would work as well as everyone else had described, but when I finally took the plunge a few years back and tried it in one tank, needless to say I was shocked at how effective Purigen is.
After a 120-day trial run in one aquarium, I ended up switching my other two tanks over and I haven't regretted it one bit.
While the stuff is renewable, and in theory will not need replacing, the price is so low that I usually buy new 100ml bags of Purigen every summer to replace the existing ones in my tanks that have been cleaned and reused throughout the previous year.
I highly recommend Purigen to anyone who is looking for an easy (and renewable) way to control the ammonia, nitrate & nitrite levels in their aquariums.
I really waned to give this product 5 stars. However, I've been told that it does not much more compared to a carbon filter (which I never used so I personally cannot compared). I really like it tho, and I really suggest it to buy if you don't like to mess with carbon filter and replace it every 2-3 weeks.
As the product say it absorbs all the organic compound in the water. I have some piece of drift wood in my tank, and the water was starting to get pretty cloudy. I insert the media in the filter and after 12 hours I could see the magical difference. The water got incredibly clear. After a week the nitrogen level went down to zero (I had NO3 at about 15ppm).
The down side is that my starting water was pretty cloudy (my fault), and the product absorbed a lot of it. After two weeks the bag looks pretty brown. I think I will have to do the cleaning process pretty soon. I will wait until the bag turn completely brown, or the water start to look cloudy again.The company claim that which 100ml you can use it for up to 100 gallons for about 4 to 6 months. I think is a little bit over estimating the range.
I read several review that do not trust the cleaning process using bleach, and then soak it with de-chlorinator, I will update my review once I do a cleaning cycle.
Other than that I recommended this product to two of my friend that have nitrogen or cloudy water. And If it was the case I would definitely buy it again.
Update 4-8-13: I have the filter in place for almost 2 month, and it still keep the water clear. My tank is currently overstock, and I have no issues at all with water quality. I did not have to replace any filter cartridge. And I have not done the regeneration process.
Update 4-24-13: I was starting to get the water little bit cloudy, so I decided to do the famous regeneration process. As soon as I dip it into the bleach/water solution it turned incredibly white. I let it soak for 24 hours, then took it out and soak in the Prime/water solution for 8 hours. After I took it out it didn't smell like chlorine at all. I wasn't sure so I dip it into some water for a bit, and test the water. Zero chlorine at the end. I place it back in the filter.
There are few companies out there that make really good products for aquarium. Seachem is one of the best and one that you can always trust. You get your money worth on any of their products.
I have not tried recharging it with bleach yet; I haven't had it long enough.
Note: some customers have mentioned that particles from the pouch escaped into the tank. I was wary of this so I put the purigen bag inside another filter media bag I bought from the local pet store for under $1. There are no loose purigen particles in my tank.
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