




💧 Purify your tank, elevate your space — clarity that commands attention!
Seachem Purigen is a high-performance organic filtration resin designed for both fresh and saltwater aquariums. Its unique macro-porous synthetic polymer structure efficiently removes nitrogenous compounds and organic waste, delivering crystal-clear water rapidly. The resin’s microscopic pores maximize surface area for superior filtration, and it can be easily regenerated with a bleach solution, making it a sustainable and cost-effective choice for aquarium enthusiasts seeking pristine water quality and healthier aquatic environments.

| ASIN | B0002A5VK2 |
| ASIN | B0002A5VK2 |
| Age Range Description | all stages |
| Brand Name | Seachem |
| Color | No Color |
| Customer Reviews | 4.7 4.7 out of 5 stars (13,202) |
| Date First Available | June 20, 2004 |
| Date First Available | June 20, 2004 |
| Department | Unisex-Adult |
| Department | Unisex-Adult |
| Directions | 1. Use Purigen in your filter to remove soluble and insoluble impurities from water. 2. For marine and freshwater use. 3. Purigen controls ammonia, nitrites, and nitrates by removing nitrogenous organic waste. 4. It significantly raises redox and polishes water to unparalleled clarity. 5. Purigen darkens progressively as it exhausts. 6. To regenerate Purigen, soak it in a 1:1 bleach:water solution… |
| Included Components | Seachem Indoor Purigen Organic Filtration Resin - Fresh and Saltwater 100 ml |
| Is Discontinued By Manufacturer | No |
| Item Dimensions LxWxH | 4.7 x 3 x 1.4 inches |
| Item Package Dimensions L x W x H | 7.32 x 5.43 x 1.22 inches |
| Item Weight | 2.1 Ounces |
| Item model number | 116016506 |
| Item model number | 116016506 |
| Manufacturer | Seachem Laboratories, Inc. |
| Manufacturer | Seachem Laboratories, Inc. |
| Manufacturer recommended age | 1 month and up |
| Material | Plastic |
| Model Name | Seachem Indoor Purigen Organic Filtration Resin - Fresh and Saltwater 100 ml |
| Number of Items | 1 |
| Product Dimensions | 4.7 x 3 x 1.4 inches; 2.1 ounces |
| Size | 100 ml |
| Specific Uses for Product | Indoor |
| Style | Resin |
| Target Audience Keyword | Fish, fish |
| Warranty Description | Warranty |
R**.
Absolutely a MUST for any aquarium with water
So this is absolutely incredible. I placed it into the space of my filter. Basically, I didn’t touch the filter, but within the space of the filter I placed this. It fit. It is a fairly small packet. What happened after, is just amazing. My water was crystal clear. It never got cloudy or yellowish or anything of the sort. It literally solved all my issues with the water; and my fish are alive and well. I have glo fish mostly. The packet is lasting me now for almost a year, and I simply wash it once per month or so. Again, the speed with which my water got cleared and clean, and stayed that way, is within a day or so. This is absolutely recommended for anyone with an aquarium. No smell too by the way. Thank you and enjoy guys.
T**R
Game changer!
My 300-gallon tank turned into a giant pot of manzanita coffee thanks to some gorgeous but tannin-heavy driftwood. The water was so dark I could barely see the fish unless they were right up against the glass. I knew the tannins weren’t harmful, but I wanted my water clear again without spending a fortune on expensive RO water changes. So I started looking for solutions and came across Seachem Purigen. Given how bad the water quality had gotten, I added triple the recommended amount to my sump filter. Within just a few hours, I noticed a small but noticeable difference—way more effective than swapping out my sump socks multiple times. Every day after that, the water kept improving and getting clearer. Now, a week later, the tank is just about clear. I’ll be refreshing my Purigen later this week and hope the fresh batch makes things pristine. What was once murky brown is now mostly clean with fully restored visibility. I can see my fish from across the room again instead of squinting at the glass. Purigen lived up to the hype for me—it seriously saved my tank without the hassle or expense of constant water changes. I’ll definitely be using this all the time moving forward. The fact that it’s reusable and refreshes makes the expense totally worth it. Huge thanks to Seachem—Purigen is a game changer!
P**S
Amazing product. A must for clear water
The water in my 29 gallon biocube is clearer than what cap out of the tap and it took less than an hour to clear. The product is amazing and will buy more for my other tanks.
J**N
Super clear water, noticeable in hours
Works great, just like they say. A note for others, so they don’t make the same mistake as me, do not use this product with api stress coat or you can not reuse it.
C**B
Keeps water crystal clear
I use about one of these every 2 months for a 125 gallon. Works great and keeps the contaminants low. Happy fish happy life. The bag is easy to drop right into a filter.
M**A
Great with live plants, excellent regeneration process.
I found the most difficult information to retrieve was if this product works as well when you have a planted tank. I tested myself and I can say that after two weeks my plants still growing without any sign of nutrient deficiency. 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. Great product. 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.
D**E
Good value and worth the investment
Exceptional product. It is essential when maintaining pristine water parameters in an aquarium with a high bio-load. Keep a close eye on its color change which indicates its time to recharge or change it. There is no carbon content in this product. Helps to control odors because of its absorption properties. So far, it is lasting approximately 4-6 months in my high bio-load tank. That helps in determining its ease of use, cycle speed, and color change that happens with time. One consideration, this product really absorbs, if you are using Mopani wood which releases tannins in the water to help bring down pH levels, it does absorb them too. My water is now crystal clear.
K**T
Perfect!
This stuff works great! Plus it's rechargeable. I've never been disappointed with Seachem.
O**.
Excellent...thank you...
A**O
Muy buena marca y producto, combinación de Purigen y filtración, mantienen los parámetros del agua en óptimas condiciones y lo mejor es el agua cristalina que se obtiene.
P**P
after putting the purigen, can noticeably see the clarity of the water. very satisfied with the addition of this chemical filter.
S**G
This really works! My tank is fairly newly set up, with grape wood driftwood. After 3 months, it was still leeching tannins. I added a 100ml bag into my canister filter (Fluval 307) for my 4 foot tank (150L), and after 24 hours, the tannins are gone! See before and after photos!
P**H
I’ve been using Seachem Purigen Adsorbent Fresh & Marine Aquarium Filter Media for a few months now, and I can confidently say it’s one of the best investments I’ve made for my aquarium.
Trustpilot
1 month ago
2 weeks ago