Can use this in conjuction with avtivated charcoal,and im having a hard time trying to find media bag it for tetra ex70

You can! But honestly you don't need the carbon. Purigen does it all, it really works wonders. Keeps my tank clear and balanced. Can't say enough good things about it. The bags I use for this are called "Boyd Enterprises ABE16720 2-Pack Chemi-Bag" also on Amazon, $4.95 and you can rinse them out when you change the purigen and rescue them, my current ones are about a year old.

Why can't this be shipped to my Puerto Rico address?

No problem shipping this to Puerto Rico. Buy from BPM Services.

Would I be able to avoid the nitrogen cycle in my new 75 G. tank? I'm hoping it would just be a matter of getting the pH right. Thank You CRF

If you are setting up a saltwater tank you would not want to avoid the nitrogen cycle, in fact you want to establish the nitrogen cycle..ammonia, nitrite, nitrate, and I would not use purigen until you have high nitrate readings. If you are setting up a freshwater tank I do not know the answer.

Iam dosing my tank with flourish currently. Would this remove those nutrients from the water?

No, I'm using it with R/O water and I'm doing great. I feel the nutrients are still present.

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Purigen & Matrix Bio Media 250ml

Product ID: 3598893

Details

Brand
Seachem
Item Form
Granules
Item Weight
8 ounces
Liquid Volume
250
Manufacturer
Seachem Inc.

🧬Macro-porous synthetic polymer

🧽Microporous spherical beads for max surface area

♻️Regenerable with bleach for long-term use

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186 Lei

Duties & taxes included

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Sold byAmazon RomaniaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Brand
Seachem
Item Form
Granules
Item Weight
8 ounces

Description

♻️ Elevate your aquarium game with Purigen & Matrix — clarity and balance that make your tank the envy of every hobbyist!

UNIVERSAL COMPATIBILITY - Perfect for freshwater and marine tanks alike, this combo fits seamlessly into virtually any filtration system.
CRYSTAL CLEAR WATER FAST - Purigen’s unique polymer removes soluble & insoluble impurities, banishing discoloration and organics for visibly polished water.
ECO FRIENDLY REGENERATION - Easily regenerated with bleach solution, Purigen offers a sustainable, cost-effective filtration upgrade.
BIOLOGICAL BALANCE BOOSTER - Matrix Bio Media’s porous structure supports beneficial bacteria, stabilizing ammonia, nitrite, and nitrate levels effortlessly.
MAXIMIZED FILTRATION SURFACE - Spherical, macroreticular beads multiply surface area, boosting filtration efficiency and biological stability.

Seachem Purigen & Matrix Bio Media (250ml) is a premium filtration duo combining a macro-porous synthetic polymer resin and highly porous bio media. Purigen rapidly removes organic impurities and discoloration without stripping beneficial minerals, while Matrix provides an expansive surface for beneficial bacteria to stabilize nitrogen compounds. Both are long-lasting, regenerable, and compatible with freshwater and marine aquariums, delivering crystal-clear water and a balanced ecosystem for healthier aquatic life.

Specifications

ASIN	B000255PJE
Allergen Information	Yam Free
Best Sellers Rank	#13,880 in Pet Supplies ( See Top 100 in Pet Supplies ) #115 in Aquarium Water Treatments
Brand	Seachem
Brand Name	Seachem
Customer Reviews	4.7 out of 5 stars 3,606 Reviews
Global Trade Identification Number	00000116016605, 00015568976827
Included Components	Purigen
Item Form	Granules
Item Type Name	Purigen
Item Weight	8 ounces
Liquid Volume	250 Milliliters
Manufacturer	Seachem Laboratories, Inc.
Manufacturer Part Number	75185
Model Number	166
Pet Type	Fish
Target Species	Fish
UPC	015568976827 000116016605
Unit Count	1 Count
Warranty Description	Warranty

Reviews

D**C

9.12.2025

L**D

2.02.2025

M**T

16.12.2025

F**O

22.03.2026

A**W

2.03.2025

Z**H

26.12.2025

M**N

20.01.2026

B**N

16.07.2018

W**I

31.03.2026

F**S

14.04.2026

J**A

3.04.2025

O**Y

17.04.2024

J**P

19.03.2026

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