Seachem Purigen 500ml | FishyPH
Seachem Purigen 1L | FishyPH
Seachem Purigen 100ml | FishyPH
Seachem Purigen 250ml | FishyPH


Vendor: Seachem
SKU: SCFI-0165
⚠️⚠️⚠️NOTE: NO Meshbag included on all Seachem Media, meshbags are now sold separately Seachem Purigen is a highly advanced and synthetic filtration product designed to purify and clarify your aquarium...
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Seachem Purigen 100ml | FishyPH




Size: 100mL
⚠️⚠️⚠️NOTE: NO Meshbag included on all Seachem Media, meshbags are now sold separately

Seachem Purigen is a highly advanced and synthetic filtration product designed to purify and clarify your aquarium water. It surpasses traditional filtration media by removing impurities at a microscopic level, ensuring that your tank remains crystal clear, odor-free, and safe for your aquatic inhabitants.

Seachem Purigen 100ml | FishyPH

Key Features:

  1. Microscopic Filtration: Purigen's unique synthetic polymer beads have microscopic pores that trap even the tiniest of impurities, including organic waste, ammonia, nitrites, nitrates, and dissolved organics.

  2. Enhanced Water Clarity: By removing impurities at a molecular level, Purigen keeps your water sparkling clean, providing a clear and breathtaking view of your aquatic ecosystem.

  3. Reduces Nuisance Algae: Purigen helps control nutrient levels by removing organic compounds, which in turn prevents the growth of unsightly and harmful nuisance algae.

  4. Long-Lasting: This filter media is incredibly durable and can be regenerated by simply soaking it in a bleach solution, making it a cost-effective and eco-friendly choice.

  5. Safe for All Aquariums: Purigen is suitable for freshwater and marine tanks and can be used in various filter setups, including canister filters, hang-on-back filters, and more.

  6. Controlled Decomposition: The removed impurities are trapped within Purigen, where they undergo a controlled decomposition process, preventing any sudden nutrient spikes.

  7. Easy Application: Purigen can be placed in a filter bag and added to your filtration system, seamlessly integrating into your aquarium setup.

Directions for Use:

  1. Rinse Purigen thoroughly with fresh water before adding it to your filter.

  2. Place Purigen in a filter bag or directly into your filter system.

  3. Monitor water parameters and adjust the quantity of Purigen as needed to maintain water quality.

  4. To regenerate Purigen, soak it in a bleach solution (1:1) for 24 hours, rinse thoroughly, and then recharge it by soaking in a dechlorinator solution for 8 hours before reusing.


Keep out of reach of children. For aquarium use only. Not for human consumption.

Note: The replacement frequency of Purigen may vary depending on the aquarium's specific conditions. Consult with your fish health professional for personalized recommendations.

For Freshwater Aquariums:

  • Use 100 mL of Purigen for every 100 gallons of water.
  • Place Purigen in a fine mesh bag or filter media pouch.
  • Rinse Purigen thoroughly in fresh water before use.
  • It's advisable to pre-soak Purigen in a dechlorinated water solution to remove any residual bleach or chlorine.

For Saltwater Aquariums:

  • Use 100 mL of Purigen for every 50 gallons of water.
  • Follow the same procedures as with freshwater aquariums, including pre-soaking the Purigen.

For Best Results:

  • Place Purigen in an area with a strong water flow, like the filter's high-flow area or sump compartment.
  • Periodically rinse and recharge Purigen using a solution of bleach and water, following Seachem's instructions for regeneration. Rinse it thoroughly in freshwater after regeneration.

Seachem Purigen is a trusted choice for aquarists who seek top-tier water purification and an enhanced aquarium experience. Whether you're new to the hobby or a seasoned expert, Purigen can help you achieve and maintain pristine water quality, creating a healthier and more visually appealing aquatic environment.


  • 100mL, 250mL, 500mL

*Price and Stock Availability Subject to Change without prior notice.

Returns Policy

You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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