Seachem Matrix Bio Media 250ml

(642 Reviews)

Price
$5.24

Quantity
(10000 available )

Total Price
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108 Ratings
75
16
10
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7
Reviews
  • Tony Montana

    > 3 day

    Make sure you get a mesh bag for these. Im not sure why it doesnt come with one. I had it clog the water intake for the propeller motor on my canister filter. Some of the rocks are like pebbles and will float around and may cause you issues. I took it out and Im probably not gonna use it. Its not really nessecary.

  • Jett willis

    > 3 day

    Best filter media by far. Get a media bag!

  • LWC

    > 3 day

    I bought this and I dont see much results. I think Im going back to the usual dark charcoal filters.

  • Candido Kuhn

    > 3 day

    I used since longtime looks like doing nothing. waste of time money and space in filter.

  • Kay

    08-06-2025

    came in this little bottle very misleading

  • Sid

    > 3 day

    I dont have numbers or proof but I use this as my biological media with sponges. Many people swear by it so that is why I chose it. Natural as well.

  • Ashley

    > 3 day

    I have used this in my 125 gal reef tank for two years in a 5 stage canister filter. I have two 304B canister filters and one of them is just totally full of this and it is working wonders for my tank! One of the best purchases I have made since Ive been in the saltwater/reefing hobby.

  • jaimie

    > 3 day

    I like this media and it fits nicely in my media basket, with some left over. Would be nice if it came with a bag though.

  • Héctor

    > 3 day

    Es tan bueno que espero 4 libras que compre espero me regalen una muestra gratis de algo que manejen

  • Antonio Perez

    > 3 day

    Lo mejor que eh comprado para mi filtro. exellente inversion lo recomiendo

Matrix is a highly porous media designed to provide exceptionally efficient bio filtration for single site removal of ammonia, nitrite, and nitrate from freshwater, marine, and reef aquaria. Each liter of matrix provides over 160,000 cm2 (170 sq. Ft.) of surface, equivalent to over 40 L (10 gallons) of typical plastic ball media! this product is sold by volume. Cited weight is minimal weight. Matrix is a naturally mined, chemically inert material for facilitating the growth of biological filtration in aquarium and pond systems. Due to its organic nature - size, shape, coloration, and density of the matrix material will vary slightly between packages. Any of These variants and small irregularities in sizing are perfectly natural and will not affect the integrity of the product or its ability to maintain water quality. It will also not affect pH in the system.

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