asen a.
great product
3rd May 2020

Seachem - Matrix - 250 ml
Best filter media there is, simple as that. A bit pricey, but its deffinitely worth it. I wouldnt trust the label tho, 250ml for 200l water is way off.
Lorenzo P.
Very good media for tour filter
17th September 2019

Seachem - Matrix - 2.000 ml
Probably One of the best filter media,make the work very well! 1lt Is enough for 150/200 LT tank. Very good!
Miguel D.
The best Media for Filters
20th May 2020

Seachem - Matrix - 4.000 ml
I used a lot of different medias already, from the basic ones that come with filters, to top brands like ADA, and this is my top media since I tested it, lasts for long, it... (read more)
Grigorii O.
Good biomedia.
20th February 2022

Seachem - Matrix - 4.000 ml
Previously, I dealt with the matrix only when buying Tidal 55. Now I bought a 4 liter bucket in a new external filter. But inside it was damp and smelled like an aquarium. (read more)