Seachem Matrix Bio Media 250ml

(642 Reviews)

Price
$5.24

Quantity
(10000 available )

Total Price
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108 Ratings
75
16
10
0
7
Reviews
  • Joseph Swaniawski

    Greater than one week

    just pumice stone.

  • Matajoh

    11-06-2025

    Really can’t tell if it does anything. I just try it If anything more media

  • Ethan Long

    > 3 day

    I bought based on good reviews. Ive only started using for 2 weeks; so time will tell. Im running in media bag for 30 gallons.

  • Zuhair Ilyas

    > 3 day

    Mine has been doing a great job

  • G Gallo Jr

    Greater than one week

    You can’t go wrong with Seachem products. They have been in the business for many moons.

  • cyclone

    > 3 day

    The amount of media you get for the price is just ridiculous. Seachem seems to be getting greedier every year.

  • Logan Carpenter

    Greater than one week

    Awesome bio media!

  • Grant A Brink

    > 3 day

    The beneficial bacteria colonized this media in no time. I replaced my old biomedia with this when I moved my tank and have had no ammonia, nitrate or nitrite detections since. My plants help out as well but I would definitely buy this again as long as the price is right.

  • James Lanci

    > 3 day

    It may not be the most surface area per cubic inch. Compared to newer products on the market. But its been time-tested. Its cheaper and easy to use ... No worries about leaching aluminum or other metals.

  • Gadberry

    > 3 day

    Ive tried them all. Nothing compares. This is not your every day pumice. Well worth the price.

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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